Scientific publications, reports and letters on Foraminifera and Xenophyophora

Tendal, O.S., 1972: A Monograph of the Xenophyophoria (Rhizopodea, Protozoa). - Galathea Report 12: 7-99.
Tendal, O.S., 1973: Xenophyophoria from the collections of the R/V "Vitiaz". - Akademia Nauk USSR 12: 25-30 (In Russian).
Tendal, O.S., 1975: A new xenophyophore, living on solid substratum, and its significance. - Deep-Sea Research 22: 45-48.
Tendal, O.S. & R.R. Hessler, 1977: An introduction to the biology and systematics of Komokiacea (Textulariina, Foraminiferida). - Galathea Report 14:165-194.
Tendal, O.S., 1979: Aspects of the biology of Komokiacea and Xenophyophoria. - Sarsia 64, p. 13-17.
Tendal, O.S. & K.B. Lewis, 1978: New Zealand xenophyophores; upper bathyal distribution, photographs of growth position, and a new species. - New Zealand Journal of Marine and Freshwater Research 12:197-203.
Tendal, O.S. & A.J. Gooday, 1979: Towards a better understanding of the Atlan­tic xeno-phyophore fauna. - Deep-Sea Newsletter 2: 9.
Tendal, O.S., 1980: Xenophyophores from the French expeditions "INCAL" and "BIOVEMA" in the Atlantic Ocean. - Cahier de biologie Marine 21: 203-306.
Tendal, O.S., 1980: Stannophyllum setosum sp.n., a remarkable xenophyophore (Rhizopodea, Protozoa) from the eastern Pacific. - Cahier de biologie Marine 21:383-385.
Tendal, O.S., 1981: New records of xenophyophores from the upper slope around New Zealand. - New Zealand Journal of Marine and Freshwater Re­search 15: 285-287.
Tendal, O.S. & A.J. Gooday, 1981: Xenophyophoria (Rhizopodea, Proto­zoa) in bottom photo­graphs from the bathy­al and abyssal NE Atlantic. - Oceanologi­ca Acta 4: 4l5-422.
Tendal, O.S., D.D. Swinbanks & Y. Shirayama, 1982: A new infaunal xenophyo­phore (Xenophyophorea, Protozoa) with notes on its ecology and possible trace fossil analogues. - Oceanologica Acta 5: 325-329.
Tendal, O.S., 1985: A preliminary account of the Komokiacea and the Xenophyo­pho­rea. - Pp. 263-266 in: L. Laubier & C. Monniot (eds.): "Peup­lements profonds du golfe de Gascogne", IFREMER, Brest. 629 pp.
Tendal, O.S.: 1988: Canadian and US East coast xenophyophores. - Deep-Sea Newsletter 14: 10-12.
Gooday, A.J. & O.S. Tendal, 1988.: New xenophyophores (Protista) from the bathyal and abyssal north-east Atlantic Ocean. - Journal of Natural History 22: 4l3-434.
Tendal, O.S. & E. Thomsen, 1988: Observations on the life position and size of the large foram­inifer Astrorhiza arenaria Norman, 1876 from the shelf off Northern Norway. - Sarsia 73: 39-42.
Tendal, O.S., 1989: Phylum Xenophyophora. - Pp. 135-138 in L. Margulis, J.O. Cor­liss, M. Melko­nian & D.J. Chap­man, 1989: Hand­book of the protoctis­ta. Jones & Bartlett Publishers, Boston, 914 pp.
Cedhagen, T.  & O.S. Tendal, 1989: Evidence of test detachment in Astror­hiza li­mi­cola, and two consequential synonyms: Amoeba gigantea and Megamoe­bo­myxa argillobia (Foraminif­erida) - Sarsia 74: 195-200.
Tendal, O.S., 1990: Why are Foraminiferida foraminifers ? - Pp. 13-18 in: Hemleben, C. et.al.: Paleoecology, Biostratigraphy and Taxonomy of Agglu­tinated Foraminifera. Kluwer Acadenic Publishers, 1017 pp.
Tendal, O.S., 1993: A number of entries in: L. Margulis, H.I. McKhann, L. Olend­zenski & S. Hiebert (eds.): Illustrated glossary of Protoc­tis­ta. Jones & Bartlett Publishers. 286 pp. 
Tendal, O.S. & F. Riemann, 1993: The first xenophyophore (Protista) from the Ant­arctic bathyal - Deep-Sea Newsletter 21: 13-14.
Riemann, F., O.S.Tendal & F.X. Gingele, 1993: Reticulammina antarctica nov. spec. (Xenophyophora, Protista) from the Weddell Sea, and aspects of the nutrition of xenophyophores. - Polar Biology 13: 543-547.
Tendal, O.S., 1994: Protozoa Xenophyophorea Granuloreticulosa: Psammina zonaria sp. nov. from the West Pacific and some aspects of the growth of xenophyophores. - In: A. Crosnier (ed.) Résultats des Campagnes MUSORSTOM 12, Mémoires du Muséum nationale d’Histoire naturelle. 161: 49-54.
Tendal, O.S., 1996: Synoptic checklist and bibliography of the Xe­nophyophorea (Protista), with a zoogeographical survey of the group. - Galathea Report 17: 79-101.
Tendal, O.S., 1997: The xenophyophores - from enigma to dominating fauna element. - Deep-Sea Newsletter 26: 14-15.
Lee, J.J., J. Pawlowsky, J.-P. Debenay, J. Whittaker, F. Banner, A.J. Gooday, O.S. Tendal, J. Haynes & W.W. Faber, 2000: Class Foraminifera. - Pp. 877-951 in Lee, J.J., G.F. Leedale & P. Bradbury (eds.): An illustrated guide to the Protozoa, vol. II. Society of Protozoologists, Lawrence, Kansas. 1492 pp (2. Vols). (Especially p. 889-893).
A.J. Gooday & O.S. Tendal, 2000: Class Xenophyophorea. - Pp. 1086-1097 in J..J. Lee, G.F. Leedale & P. Bradbury (eds.): An illustrated guide to the Protozoa, vol. II. Society of Protozoologists, Lawrence, Kansas. 1492 pp (2. Vols).
Gooday, A.J. & O.S. Tendal, 2001: A new look at allogromiid foraminifera. - Deep-Sea Newsletter 30: 20-21.
Tendal, O.S. & J. van der Land, 2001: Xenophyophora. Pp. 78-79 in: Costello M.J., Emblow, C.S. & White R. (eds.), European Register of Marine species. A check-list of the marine species in Europe and a bibliography of guides to their identification. - Patrimoines Naturels 50. 463 pp.

Scientific publications, reports and letters on Porifera 

Tendal, O.S.,1965: Danske kalksvampe. - Flora & Fauna, 71:95-98.
Tendal, O.S., 1967: Ferskvandssvampe i Thy. - Flora & Fauna, 73: 63-67.
Tendal, O.S.. 1967: On the freshwater sponges of Denmark. - Videnskabelige Meddelelser fra dansk naturhistorisk Forening 130: 173-178.
Tendal, O.S., 1969: Demospongiae from the Fiji Islands. - Videnskabelige Meddelelser fra dansk naturhistorisk Forening 132: 3l-34.
Tendal, O.S., 1969: Freshwatersponges from the Bismarck Archipelago. - Videnskabelige Meddelelser fra dansk naturhistorisk Forening 132: 45-48.
Tendal, O.S., 1970: Sponges from Jørgen Brøndlund Fjord. - Meddelelser om Grønland 184: 5-14.
Tendal, O.S., 1973: De danske farvandes boresvampe. - Flora & Fauna, 79:105-108.
R.G. Bromley & O.S. Tendal, 1973: Example of substrate competition and phobotropism between two clionid sponges. - Journal of Zoology. London 169: 151-155.
Tendal, O.S., 1973 sponges collected by the Swedish deep-sea Expedition. - Zoologica Scripta 2: 33-38.
Tendal, O.S., 1976: Freshwater Spongia. - The Zoology of Iceland 2, part 4, 4 pp.    
Lemche, H. & O.S. Tendal, 1977: An interpretation of the sex cells and the early development in sponges, with a note on the terms acrocoel and spongocoel. - Zeitschrift für zoologiches Systematik und Evolutionsforschung 15: 241-252.
Steenstrup, E. & O.S. Tendal, 1982: The genus Thenea  (Porifera, Demospon­gia, Choristida) in the Norwegian Sea and adjacent waters; an anno­tated key. - Sarsia 67: 259-268.
Tendal, O.S., 1983 (1979): Sponges of Jan Mayen. - Astarte 12: 53-55.
Tendal, O.S., 1989: Calcareous sponges in the abyssal Norwegian and Greenland Seas. - Deep-Sea Newsletter l5: 22-23.
Christophersen, C., U. Anthoni, P.H. Nielsen, N. Jacobsen & O.S. Tendal, 1982: Source of a nauseating stench from the marine sponge Hali­chondria panicea, collected at Clever Bank in the North Sea. - Biochemical Systematics and Ecology 17: 459-461.
Barthel, D. & O.S. Tendal, 1989: The sponge fauna of the deep Weddell Sea: status and the need for further biological and fau­nistic investigations. - Deep-Sea Newsletter l6: 8-9.
Barthel, D. , O.S. Tendal & K. Panzer, 1990: Ecology and taxonomy of spon­ges in the ea­stern Wed­dell Sea shelf and slope com­muni­ties. - Berichte zur Polar­f­orschung 68: 120-130.
Barthel, D., O.S. Tendal & U. Witte, 1991: Faunistik, Ökologie und Spicula-Lieferung von Schwämmen. - Berichte aus Sonderforschungs­bereich 3l3, Univ. Kiel. Pp. 37-45.
Barthel, D. & O.S. Tendal, 1991: A thinly encrusting deep-sea sponge with a special strategy. - Deep-Sea Newsletter 18: 7-8.
Barthel, D.,  J. Gutt & O.S. Tendal, 1991: New information on the  biology of Antarctic deep-water sponges drawn from under­ water photographs. - Marine  Ecology Progress Series 69: 303-307.
Hougaard, L., C. Christophersen. P.H. Nielsen, A. Klitgaard  & O.S.Tendal, 1991: The chemical composition of species of Geodia, Isops and  Stryphnus (Choristida, Porifera) - A comparative study with some taxonomical implications. - Biochemical Systematics and Ecology 19: 223-235.
Barthel, D. & O.S. Tendal, 1992: The Antarctic deep-sea hexactinel­lid fauna. - Deep-Sea Newsletter 19: 20-21.
Tendal, O.S.. & D. Barthel, 1993: Chondrocladia gigantea (Demospongiae) - the  giant clubs­ponge of the nor­theast Atlan­tic. - Deep-Sea Newsl­etter 20, p. 12-15.
Barthel, D. & O.S. Tendal, 1993: Sponge spicules in abyssal and bathy­al  sedi­ments of the NE Atlan­tic. - Deep-Sea Newsl­etter 20: 15-18.
Barthel, D. & O.S. Tendal, 1993: The sponge association of the abyssal  Norwe­gian-Green­land Sea: species composition, substrate rela­tion­ships and distribution - Sarsia 78: 83-96.
Barthel, D. & O.S. Tendal, 1993: Antarctic Hexactinellida - Synop­ses of the  Ant­arctic Ben­thos, vol. 6. Koeltz Scien­tific Books. 156 pp.
Tendal, O.S., D. Barthel & K.R. Tabachnik, 1993: An enigmatic organism dis­closed - and some new enigma - Deep-Sea Newsletter 21: 11-12.
Witte, U., D. Barthel & O.S. Tendal, 1994.: The reproductive cycle of the  sponge Halic­hondria panicea (Pallas, 1766) and its relations to temperature and salinity. - Journal of Experimental marine Biology and Ecology 183: 41-52.
Barthel, D. O.S. Tendal & H. Thiel, 1996: A wandering popula­tion of the hexactinellid sponge Pheronema carpenteri on the conti­nen­tal slope off Morocco, Northwest Africa. - P.S.Z.N.I. Marine Ecology 17 (4): 603-616.
Barthel, D., O.S. Tendal & S. Gatti, 1997: The sponge fauna of the Weddell Sea and its integration in benthic processes. - Berichte zur Polarforschung 249: 44-52.
Tendal, O.S.  & T. Brattegard, 1997: Porifera. P. 65-80 - In: T. Bratte­gard & T. Holthe (eds.): ­Distribution of marine, benthic macroorga­nisms in Norway.Research Report for DN 1997-1. Directorate for Nature Management. Trondheim. 409 pp. 
Tendal, O.S. & H. Sahling, 1997: Mysterious Chondrocladia (Pori­fera) refound and reacting to the camera. - Deep-Sea Newsletter 26: 16-17.
Klitgaard, A.B., O.S. Tendal, H. Westerberg 1998: Mass occurrences of  large sponges (Porifera) in Faroe Island (NE Atlantic) shelf and slope areas: characteristics, distribution and possible causes.  - Proceedings of the 30th European Marine Biological Symposium, Southampton, UK, September 1995, pp. 129-142.
Tendal, O.S. & D. Barthel (1998): A catalogue of the sponges of the Damariscotta River Estuary. - Darling Marine Center, Maine. 50 pp + planches (unpublished).
Klitgaard, A.B. & O.S. Tendal, 2001: “Ostur” - “Cheese bottoms” - sponge dominated areas in the Faroese shelf and slope areas. - Pp. 13 - 21 in Bruntse, G. & O.S. Tendal (eds.): Marine biological investigations and assemblages of benthic invertebrates from the Faroe Islands. -  Kaldbak Marine Biological Laboratory, The Faroe Islands. 80 pp.
Janussen, D.,  H.T. Rapp & O.S. Tendal, 2003: A myth vanished: calcareous sponges are alive and well at abyssal depths. - Deep-Sea Newsletter 32: 17-19.
Tendal,  O.S.,  2004. Nye fund, udbredelseskort og nøgle til danske ferskvandssvampe (Porifera) - Flora og Fauna 1: 1-10.
Tendal, O.S., 2004: Book review. Systema Porifera. The sponge entanglement straightened out. - Zoologica Scripta 33: 387-388.
Tendal, O.S. 2004:  Freshwater sponges (Porifera: Spongillidae) in the Faroe Islands. - Froðskaparrit  51: 298-303.
Klitgaard, A.B. & O.S. Tendal, 2004: Distribution and species composition of mass occurrences of large-sized sponges in the northeast Atlantic. - Progress in Oceanography 61: 57-98.
Janussen, D., K.R. Tabachnik & O.S. Tendal, 2004: Deep-sea Hexactinellida (Porifera) of the Weddell Sea. - Deep-Sea Research II 51: 1857-1882.
Fosså, J.H. & O.S. Tendal, 2004: Discovering deep-water sponges. - ICES CIEM Newsletter 41: 21-23.
Tendal, O.S.: Phylum Porifera in Fauna Europaea  (in press).

 
Scientific publications, reports and letters on Cnidaria 

Tendal, O.S. 1971: The hydrozoan nature of Cryptospongia enigmatica Burton. - Steenstrupia 2: 35-37.
Tendal, O.S., 1992: The North Atlantic distribution of the octocoral Paragorgia arborea (L., 1758)(Cnidaria, Anthozoa). - Sarsia 77: 213-217.
Tendal, O.S. & C. Nielsen, 1997: Bægerkorallen (Caryophyllia smithii) - ny koral for Kattegat. - Flora og Fauna 103: 7-9.
Tendal, O.S. & D. Barthel, 1997: Composition and distribution of the Eastern Weddell Sea Scleractinian coral fauna. - Berichte zur Polarforschung 249: 53-54.
Bruntse, G. & O.S. Tendal, 2001: Lophelia pertusa and other cold water corals in the Faroe area. - Pp. 22-32 in Bruntse, G. & O.S. Tendal (eds.): Marine biological investigations and assemblages of benthic invertebrates from the Faroe Islands. -  Kaldbak Marine Biological Laboratory, The Faroe Islands. 80 pp.
Tendal, O.S., 2003: member of ‘Study Group on mapping the occurrence of cold water corals.’ ICES CM 2003/ACE. Ref: E, WGECO. 13 pp.
Tendal, O.S., 2004: Coauthor on ‘Report of the Study Group on Cold-Water Corals by Correspondance.’ May 2004. ICES CM 2004/ACE:0x. 24 pp.
Tendal, O.S., 2004: The bathyal Greenlandic black coral refound: alive and common.. - Deep-Sea Newsletter 33: 28-30.
Tendal, O.S., M.S. Thorsen & H. Zibrowius, 2005: Stylasteridae (Cnidaria: Hydrozoa) of the Faroe region. - Annales Societas Scientiarum Færoensis Supplementum 41: 63-76.
 

Publications circumscribing larger projects 

Nørrevang, A., T. Brattegard, A. Josefson, J.-A. Sneli & O.S. Tendal, 1994: List of BIOFAR stations - Sarsia 79: 165-180.
Tendal, O.S., 1998: The Viking Sea revisited: new investigaiton into benthic fauna around the Faroe Islands and Iceland - Ocean Challenge 8: 32-36.
Aungtonya, C., S. Thaipal. & O.S. Tendal, 2000: A preliminary report on the Thai-Danish BIOSHELF surveys (1996-2000) of the west coast of Thailand, Andaman Sea. - Phuket marine biological Center Research Bulletin 63: 53-76.
Tendal, O.S. & G. Bruntse, 2001: A brief history of the investgations on the benthic fauna of the sea around the Faroe Islands, with emphasis on the expeditions and research vessels. - Pp. 44-53 in Bruntse, G. & O.S. Tendal (eds.), 2001: Marine biological investigations and assemblages of benthic invertebrates from the Faroe Islands. -  Kaldbak Marine Biological Laboratory, The Faroe Islands. 80 pp.
Tendal,O.S., S. Bussarawit & C. Aungtonya, 2002: On the Thai-Danish Scientific Cooperation Programme and the deep-water fauna of the Andaman Sea continental margin. - Deep-Sea Newsletter 31: 10-12.
Tendal, O.S., T. Brattegard, A. Nørrevang & J.-A. Sneli, 2005: The BIOFAR 1 programme: background, accomplishment, and some outcome from inter-Nordic benthos investigations around the Faroe Islands (NE Atlantic). - Annales Societas Scientiarum Færoensis Supplementum 41: 9-32.
Tendal, O.S., T. Brattegard, A. Nørrevang, J.-A. Sneli & J. Sørensen, 2005: Publications and presentations based completely or in part on material and results from the BIOFAR Projects. - Annales Societas Scientiarum Færoensis Supplementum 41: 257-268.
 

Miscellaneous scientific papers, reports and letters 

Lemche, H.,  B. Hansen, F.J. Madsen, O.S. Tendal & T. Wolff, 1976: Hadal life as analyzed from photographs. - Videnskabelige Meddelelser fra dansk naturhistorisk Forening 139: 263-336.
Just, H. & O.S. Tendal, 1983: On the sponge diet of Archidoris  pseudargus (Rapp, 1827)  - The Veliger 25: 403-404.
Tendal, O.S., 1985: There is a time for monoplacophore ecology .... - Deep-Sea Newsletter10: 2-3.
Tendal, O.S., 1985: Radiation-induced mutations in deep-sea animals. - Deep-Sea Newsletter 10: 2.
Tendal, O.S.,1985: Xenophyophores (Protozoa, Sarcodina) in the diet of Neopilina galatheae. - Galathea Report l6: 95-98.
Tendal, O.S., 1998: What became of Lemche's lophenteropneust ? - Deep-Sea Newsletter 27: 21-24.
Tendal, O.S., 1999: Lemche’s lophenteropneust widely known but still an enigma. - Deep-Sea Newsletter 28: 8.
Bruntse, G. & O.S. Tendal, 2001: A bibliography of benthic marine invertebrates of the Faroese Economic Exclusive Zone. Pp. 54-80 in Bruntse, G. & O.S. Tendal (eds.): Marine biological investigations and assemblages of benthic invertebrates from the Faroe Islands.  Kaldbak Marine Biological Laboratory, The Faroe Islands. 80 pp.
Tendal, O.S., 2001: Den kinesiske uldhåndskrabbes pseudopopulation ved Bornholm. - Flora og Fauna 107: 6.
Tendal, O.S., 2002: Gear come, serve and go - the swab or hempel tangle. -  Deep-Sea Newsletter 31: 12-14.
Rogers, A., D. Billett, W. Berger, E. Flach, A. Freiwald, J. Gage, D. Heppeln, C. Heip, O. Pfannkuche, E. Ramirez-Llodra, L. Medlin, M. Sibuet, K.Sotaert, O. Tendal & A. Vanreusel, 2002: Life at the Edge: Achieving Prediction from Environmental Variability and Biological Variety. - Pp. 387-404 in Wefer, G., D. Billett, D. Hebbeln, B.B. Jørgensen, M. Schlüter & T. van Weering (eds.): Ocean Margin systems. Springer-Verlag. Berlin. 495 pp.
Schmidt, S.F. & O.S. Tendal, 2002: The Faroe Bank - a potential MPA. - Briefing document for the OSPAR Commission (http://www.wwfneap.org). 2 pp.
Tendal, O.S. & J.-A. Sneli, 2003: De profundis... - Deep-Sea Newsletter 32: 7-8.
Simon, M.J., T.K. Kristensen, O.S. Tendal, C.C. Kinze & S. Tougaard, 2003: Goniatus fabricii (Mollusca: Theuthida) as an important food source for sperm whales (Physeter macrocephalus) in the Northeast Atlantic. -  Sarsia 88: 244-246.
K. Dahl, J. Nicolaisen, R.Nielsen & O.S. Tendal, 2004: Udvikling og afprøvning af metoder til indsamling af flora og fauna på småstenede hårdbundslokaliteter. Faglig raport fra DMU, nr 521. 92 pp.
Tendal, O.S., member of a working group of 21 under ICES. 2005: Report of the Working Group on Deep-water Ecology (WGDEC), 8-11 March 2005, ICES Headquarters, Copenhagen. ICES CM 2005/ACE:02. 76 pp.
Dahl, K., Lundsteen, S. & Tendal, O.S., 2005: Mejlgrund og Lillegrund. En undersøgelse af biologisk diversitet på et lavvandet område med stenrev i Samsø Bælt. Danmarks Miljøundersøgelser & Århus Amt, Natur og Miljø. 87 pp. Faglig rapport fra DMU nr. 529. Http://faglige-rapporter.dmu.dk
Tendal, O.S. & G.E. Dinesen, 2005: Biogenic sediments, substrates and habitats of the Faroese shelf and slope. - Annales Societas Scientiarum Færoensis Supplementum 41: 224-242.
 

Popular publications: 

Tendal, O.S., 1972: "Xenophyophorerne". - Naturens Verden, p. 302-310.
Tendal, O.S., 1974: "Boresvampe - havets minører". - Naturens Verden, p. 29-36.
Tendal, O.S., 1975: "Mod Havets dyb". - Trekantserien. Gjellerups Forlag. 41 pp.
Tendal, O.S., 1975: The xenophyophores of New Zealand (Rhizopodea, Proto­zoa) - Tuata­ra 21: 92-97.
Tendal, O.S., 1978: "Svampe". - Danmarks Dyreverden 1, p. 45-49.
Tendal, O.S., 1988: "Kæmperne blandt havets encellede dyr" - Dyr i natur og museum 2: 25-27.
Tendal, O.S., 1989: "Antarktis - nyt arbejdsområde for Zoologisk Museum" - Dyr i natur og museum 2: 10-13.
Tendal, O.S., 1990: "BIOFAR projektet. En undersøgelse af bundfau­naen ved Fær­øerne" - Rap­port fra DMU, Faglig rap­port nr. 4: 201-207.
Tendal, O.S. & A. Nørrevang, 1990: "Søtræet - en kæmpekoral i de nordiske have" - Dyr i natur og museum 1: 10-12.
Tendal, O.S. & D. Barthel, 1991: "Glassvampene i Antarktis" - Dyr i natur og museum 2: 23-26.
Tendal, O.S., 1992: "Koraller og havsvampe ved Færøerne" - Nordlan­da­húsid årsrit 1991: 82-84.
Tendal, O.S. & A. Nørrevang, 1992: "Sjótrø undir Føroyum" - Fiskirannsóknir 7: 121-127.
Tendal, O.S., 1993. "Zoologisk Museum og nutidig forskning i de danske havom­råder" - 7. Danske Havforskermøde. Havforskning fra Miljøstyrelsen Nr 25: 65-68. 
Tendal, O.S., A.B. Klitgaard & H. Westerberg, 1993: Masseforekomster af svampe (Porifera) omkring Færøerne og baggrunden herfor" - 7. danske Havforskermøde. Havforsk­ning fra Miljø­styrelsen Nr 25: 193-197.
Tendal, O.S. & A.B. Klitgaard, 1994: "BIOICE - ny zoologisk forskning ved Island." - Dyr i natur og museum 1: 28-29.
Tendal, O.S., 1995: "Zoologisk Museum i Nordatlanten op mod år 2000." - 8. Danske Havforskermøde. Fyns Amts Natur- og Vandmiljøafdeling print. Pp. 169-173.
Tendal, O.S., 1995: "BIOICE - undersøgelser af bundfaunaen omkring Island" - 8. Danske havforskermøde. Fyns Amts Natur- og Vandmiljøafdeling print. Pp. 174-179.
Tendal, O.S., 1996: BIOFAR 2: Dyrelivet på det lave vand omkring Færøerne. - Dyr i natur og museum 2: 24.
Tendal, O.S., 1996: Bægerkorallen - ny koral for de danske farvande og for Færøerne. - Dyr i natur og museum 2: 28-31.
Tendal, O.S. & D. Barthel, 1996: Boring sponges on the Damariscotta river: now and then. - "Making Waves", Darling Marine Center, p. 21.
Tendal, O.S., 1998: “..og om sommeren fiskede de under Island”. - ‘Hovedområdet’ 1 (30. januar): 6-7.
Tendal, O.S.,1998: Mysteriet om den snavsede is i Antarktis. -  Dyr i natur og museum 1: 18-21.
Tendal, O.S., 1998: Ferskvandssvampen der lever i træerne. - Dyr i natur og museum  2: 28.
Tendal, O.S., 1999: Korallerne i de nordiske have. - Pp. 17-19 i: Koral. Det undersøiske skatkammer. Danmarks akvarium 48 pp.
Tendal, O.S., 1999: Med flyvefisk for boven under den liggende måne. - ‘Hovedområdet’ 5 (22. oktober): 14-15.
Tendal, O.S., 2000: BIOSHELF - udforskning af faunaen på Andamanerhavets bund. - Dyr i natur og museum 1: 14-17.
Tendal, O.S. 2000: “Udforskningen af Færøernes havbundsfauna” - Dyr  i natur og museum 2: 9-12.
Tendal, O.S., 2000: “Some things never change...” - Deep-Sea Newsletter 29: 13.
Tendal, O.S., 2000: A little known picture of HMS “Bulldog”, full of historical atmosphere - Deep-Sea Newsletter: 15-16.
Tendal, O.S.  & T. Schiøtte, 2001: Bunddyrene ved Grønland. - Hovedområdet 1, 9. Februar: 12-13.
Tendal, O.S., 2001: The “Bulldog” once again .... - Deep-Sea Newsletter 30: 13.
Tendal, O.S. & T. Schiøtte, 2001: Nyt lys på Grønlands bunddyr. - Dyr i natur og museum 1: 13-15.
Tendal, O.S., 2001: Da korallerne kom til Færøerne og Island. - Dansk Naturhistorisk forening. Årsskrift nr 11: 40-47.
Tendal, O.S., 2002:  Færøernes undervandsverden: fiskevand og forskervand. - Dyr i natur og museum 1: 21-24.
Rapp, H.T.  & O.S. Tendal, 2002: COBICE, kalksvampe og Zoologisk Museums grønlandske samlinger. - Dyr i natur og museum 2: 28-31.
Tendal, O.S., 2002: Lívið á havbotninum kring Føroyar í vísindalignum brennidepli. - Frøði 8,1: 32-37.
Tendal, O.S., 2002: Det færøske hav: Fiskevand og forskervand. - Atlantic Review 15: 34-37.
Janussen, D. & O.S. Tendal, 2003: Das Ende eines Mythos: Über das Gedeihen der Kalkschwämme in großen Meerestiefen. - Natur und Museum 133: 337-342.
Tendal, O.S., 2003: Uldhåndskrabbe fra Bornholm. - Dyr i natur og museum 1: 12.
Tendal, O.S. & H. Thiel, 2003: Jullienella - en vestafrikansk kæmpeskønhed. - Dyr i natur og museum 2: 28-31.
Tendal, O.S., 2004: Færøerne og havforskning. - Aktuel Naturvidenskab 4: 10-14.
Tendal, O.S., 2004: Koral på afveje - den grønlandske sortkoral. - Dyr i natur og museum 2: 21-24.
Tendal, O.S., 2004: Færøsk fauna fortæller. - Jyllandsposten (Viden om, p. 10) 21. November.
Tendal, O.S. & A.B. Klitgaard, 2005: Nordøstatlantens svampebunde - sårbare lokaliteter på linje med dybvands-koralrevene. - Fisker Forum. Http://www.fiskerforum.dk/erhvervsnyt/2005/051005-svampe.asp
Tendal, O.S. & R. Nielsen, 2005: Hvad det gamle herbarium også gemte. - Dyr i natur og museum 1: 26-28.
 

Abstracts: 

Tendal, O.S., 1977: "Disregarded deep-sea rhizopods: Komokiacea and Xenophyopho­ria" - The Kristineberg Centenary Symposium on deep-Sea Faunas - history, differentiation and adaptation". Kristineberg, Sweden (Lecture & poster abstract). 1 p.
Tendal, O.S., 1985: "The biology of the Xenophyophorea (Sarcodina, Protozoa)". - 4th Deep-Sea Biology Symposium, 23.-29. June 1985. Hamburg (Lecture abstract). 2 pp.
Tendal, O.S., 1988: "The xenophyophore fauna of the North Atlantic: diversity, taxonomic composition, and distribution patterns". - Fifth deep-Sea Biology Symposium, 26. June - 1. July 1988. Brest (Lecture abstract).
Tendal, O.S., T. Brattegard & J.-A. Sneli, 1988: "Calcareous sponges in the abyssal Norwegian Sea". - Fifth deep-Sea Biology Symposium, 26. June - 1. July 1988. Brest  (Poster abstract). P. 39.
Tendal, O.S., 1989: "Why are foraminifera foraminifera ? And are all of them that ?" - Programme of International Advanced Course in Pa­leo­ecol­ogy, Biostratigraphy, Paleoceanography and Taxonomy of Agglutinated Foraminifera, Tübingen, p. 40 (Keynote lecture abstract). P.50.
Tendal, O.S., 1989: "The Xenophyophorea - giant protists of the deep-sea". - Programme of International Advanced Course in Paleoecology, Biostratigraphy, Paleoceanography and Taxonomy of Agglutina­ted Foraminifera, Tübingen, p. 57 (Poster abstract).
Tendal, O.S., 1990: "Færøernes havbundsfauna" - Dansk naturhistorisk Forenings Årsskrift 1988/89, p. 24 (Lecture abstract).
Tendal, O.S., G. Høpner Petersen & T. Schiøtte, 1990: "Til Antarktis med Polarstern" - Dansk naturhistorisk Forenings Årsskrift 1988/89, p. 37 (Lecture abstract).
Gutt, J., D. Barthel & O.S. Tendal, 1991.: "Quantitative  observation of the spon­ge fauna by means of underwater photography" - European "Polar­stern" Study Symposium, Bremerhaven, p. 78 (Lecture abstract).
Klitgaard, A.B., O.S. Tendal & H. Westerberg, 1992: "Dense aggrega­tions of demospongiae along the shelf of the Faroes, and possible causes" - BIOFAR Symposium on Marine Biology and Oceanography of the Faroe Islands, Tórshavn, p. 92 (Poster abstract).
Tendal, O.S., 1992: "The Zoological Museum and contemporary scientific investiga­tions in the Danish waters"  - 7th Meeting for Danish Marine Scientists, 21.-24. January 1992. Århus (Lecture abstract). 1 p.
Klitgaard, A.B., O.S. Tendal & H. Westerberg, 1992: Masseforekomster af svampe (Porifera) omkring Fæerøerne og baggrunden herfor. -  7th Meeting for Danish Marine Scientists, 21.-24. January 1992. Århus (Poster abstract). 1 p.
Tendal, O.S..1992: "Færøernes marine bundfauna - status for BIOFAR-projektet" - Dansk naturhistorisk Forenings årsskrift 1990/91, p. 17 (Lecture abstract). 
Tendal, O.S., A.B. Klitgaard & H. Westerberg, 1993: "Dense aggregations of sponges along the Northeast Atlantic shelf and slope: distri­bution, characteristics and possible causes" - Book of Ab­stracts, 4th International Porifera Congress, Amsterdam (Lecture abstract). 1 p.
Brattegard, T., B. Gulliksen, T. Holthe, J. Rueness, J.-A. Sneli, B. Christiansen, M.E. Christiansen, T. Høisæter, T.E. Lein, L. Buhl Mortensen, K.M. Olsen, E. Oug, A. Pedersen, P. Pethon, O.S. Ten­dal, W. Vader & P.B. Wikander, 1993: "Geogra­fisk fordeling av ben­thisk marin flora og fauna langs norskekys­ten. Forslag til indde­ling i biogeografiske områder." - Norske Havforskeres Forening. Årsmøte i Drammen. 29.-31.10.1993 (Lecture abstract). 1 p.
Tendal, O.S., 1994: "The Antarctic hexactinellid fauna: composition, distribution and relationships." - Book of abstracts, SCAR Sixth Biology Sympo­sium, "Antarctic Communities", Venice (Poster abstract): 264.
Tendal, O.S. & A.B. Klitgaard, 1994: "BIOICE - Undersøgelse af bundfaunanen omkring Island". -  8th Meeting for Danish Marine Scientists, 25.-27. January 1994. Odense (Lecture abstract): 74.
Tendal, O.S., 1994: Zoologisk Museum i Nordatlanten op mod år 2000. - 8th Meeting for Danish Marine Scientists, 25.-27. January 1994. Odense (Lecture abstract): 75.
Tendal, O.S., 1995: "The sponge fauna of the North Atlantic cold water region: a challenge in systematics, zoogeography and biology". - 1:st Nordic Marine Sciences Meeting, Göteborg 23.-26. March 1995. Book of abstracts, p. 63 (Lecture abstract).
Tendal, O.S., 1995: "Zoological Museum, Copenhagen: A century of activity in the North Atlantic and the aims at the turn of the millenium". - 1:st Nordic Marine Sciences Meeting, Göteborg 23.-26. March 1995. Book of abstracts, p. 63 (Poster abstract).
Tendal, O.S., 1998: Truslerne mod de nordiske koralbanker - er de indbildte, opblæste eller reelle ? - 10. Danske Havforskermøde, Abstracts, pp. 154-155. Dansk Nationalråd for Oceanologi (Poster abstract).
Tendal, O.S. and others at the Marine invertebrate Department, 1998: Nye arter for den danske marine invertebratfauna fundet/genfundet gennem de sidste 30 år. - 10. Danske Havforskermøde, Abstracts, pp. 156-157. Dansk Nationalråd for Oceanologi (Poster abstract).
Klitgaard, A.B., G. Bruntse & O.S. Tendal, 1999: A new map of the Faroe Islands biocoenoses and bottom types. - 2. Nordic Marine Sciences Meeting. Abstractbook, p.85 (Poster abstract).
Klitgaard, A.B. & O.S. Tendal, 1999: Distribution and species composition of mass occurrences of large-sized sponges in the northeast Atlantic. -  2. Nordic Marine Sciences Meeting. Abstractbook, p.86 (Poster abstract).
Tendal, O.S., T. Schiøtte & A.B. Klitgaard, 2000: 11. Danske Havforskermøde, RUC, 26.-28. 01.: “Et katalog over den grønlandske marine invertebrat bundfauna” (Poster abstact). P. 128.
Tendal, O.S., T. Schiøtte & A.B. Klitgaard, 2000: Arktisk Biolgisk Forskermøde VIII, Zool. Inst. 04.03.: “Et katalog over den grønlandske marine invertebrat bundfauna” (Poster abstract). Pp. 9-10.
Sneli, J.-A., T. Brattegard & O.S. Tendal, 2000: The Norwegian North-Atlantic Expedition 1876-1878: Historical Account”. - 9^th Deep-Sea biology Symposium, Galway, Irland, 25.-30/6 (Poster abstract).
Heiner, I. & O.S. Tendal, 2002: Grønlands søfjer (Pennatulacea) - Pp. 119-120 i 12. Danske Havforskermøde, Aarhus Universitet, 9.-11. Januar. Program og abstracts (Poster abstract).
Tendal, O.S., 2002: Undersøgelser 1996-2000 af invertebrat bundfaunaen i Thailands EEZ i Andamanerhavet: togter, prøvetagning, samlinger og generelle resultater - Pp. 132-133 i 12. Danske Havforskermøde, Aarhus Universitet, 9.-11. januar. Program og abstracts (Poster abstract).
Schiøtte, T. & O.S. Tendal, 2002: Status for Grønlands marine bundfauna. - Pp. 217-219  i 12. Danske Havforskermøde, Aarhus Universitet, 9.-11. Januar. Program og abstracts (Poster abstract).
Tendal, O.S., 2002: Færøernes marine bundfauna-projekt (BIOFAR)  -  i går, i dag og i morgen. - Pp. 224-225 i 12. Danske Havforskermøde, Aarhus Universitet, 9.-11. januar.  Program og abstracts (Poster abstract).
Schiøtte, T.  & O.S. Tendal, 2002: A data survey of the Greenland marine invertebrate benthos. -  Pp. 8-9 i Arktisk Biologisk Forskermøde IX. Book of Abstracts (Poster Abstract).
O.S. Tendal &  I. Heiner, 2002: Pennatulacea (Cnidaria) of Greenland. - Pp. 10-11 i Arktisk Biologisk Forskermøde IX. Book of Abstracts (Poster abstract).
D. Janussen, O.S. Tendal,  K. Tabachnik & H. T. Rapp, 2003: The sponges of the Weddell Sea slopes and abyssal plain: A normal deep-sea fauna with some surprises. - IBMANT/ANDEEP Workshop, Argentina (Lecture abstract).
Tendal, O.S., 2003: What controls fauna dynamics along the northeast Atlantic shelf break? - Investigations of the marine benthic fauna of the Faroe Islands. BIOFAR Symposium 2003. Abstract Booklet (unpaginated) (Lecture abstract).
Tendal, O.S., 2003: Going west. The idea of a BIOGREEN Project: Investigation of the fauna composition and distribution off southern Greenland, and the amphiatlantic distribution patterns. - Investigations of the marine benthic fauna of the Faroe Islands. BIOFAR Symposium 2003. Abstract Booklet (unpaginated) (Lecture abstract). 
Tendal, O.S., T. Brattegard, A. Nørrevang & J.-A. Sneli, 2003: The background and development of BIOFAR - a retrospect. - Investigations of the marine benthic fauna of the Faroe Islands. BIOFAR Symposium 2003. Abstract Booklet (unpaginated) (Lecture abstract).  
Janussen, D., A. Brückner, O.S. Tendal & W. Vetter, 2004: Investigation of Antarctic deep-sea sponges: Status and perspectives - XXVIII SCAR Conference. 26.-30.7. Bremen  (Lecture abstract).
Dinesen, G.E. & O.S. Tendal, 2005:Horse mussel aggregations in Faroese waters: population structure and diversity of associated fauna. - Pp. 44-45 in 13. Danske Havforskermøde. Program og abstracts. København 1.-3. Februar (Poster abstract).
Tendal, O.S., 2005: Færø Banke - et seamount? - Pp. 229-231 in 13. Danske Havforskermøde. Program og abstracts. København 1.-3. Februar (Poster abstract).
Tendal,O.S., 2005: BIOFAR er officielt afsluttet. - Pp. 232-234 in 13. Danske Havforskermøde. Program og abstracts. København 1.-3. Februar (Poster abstract).
Janussen, D. & O.S. Tendal, 2005: Deep-Sea sponges of the Weddell Sea (Antarctica) and adjacent areas - preliminary results of ANDEEP I, II and III. - 22. Internationalen Polartagung in Jena (Lecture abstract).
Janussen, D. & O.S. Tendal,  2005: Sponges of the deep Weddell Sea (Antarctica); what does the distribution of taxa tell us? - 22. Internationale Polartagung in Jena (Poster abstract). 1 p.
Janussen, D., O.S. Tendal, K. Tabachnik & H.T. Rapp, 2005: The sponges of the Weddell Sea slopes and abyssal plain: A normal deep-sea fauna with some surprises. - Berichte zur Polarforschung 507: 65-66 (Extended lecture abstract).
Janussen, D. & O.S. Tendal, 2005: Deep-Sea sponges of the Weddell Sea (Antarctica) and adjacent areas – preliminary results of ANDEEP I, II and III. - Terra Nostra, 2005/3: 75-76 (Lecture abstract).
Janussen, D. & O.S. Tendal, 2005: Sponges of the deep Weddell Sea (Antarctica); what does the distribution of taxa tell us? - Terra Nostra, 2005/3: 76-77 (Poster abstract).
Tendal, O.S. & E. Thomsen, 2005: Faroese Articulate Brachiopods as Biogene Habitats, in a North Atlantic Perspective. P. 50-51 in Fifth International Brachiopod Congress 4.-8. Juli. København. Abstracts (Poster abstract).