| Invertebrate Department |
A sample from the list should be referred to as ZMUC ECH- followed by the number given in the column to the far right.
The list is sorted by species.
| Species | Genus | Subspecies | Description by | Status | ZMUC ECH |
| abyssicola | Cidaris | teretispina | Mortensen, 1910 | Syntypes? | 561 |
| abyssicola | Cidaris | teretispina | Mortensen, 1910 | Syntypes? | 562 |
| abyssicola | Cidaris | teretispina | Mortensen, 1910 | Syntype? | 563 |
| aciculatus | Echinostrephus | Agassiz, 1863 | Syntype | 83 | |
| acutispina | Histocidaris | Mortensen, 1927 | Paratype | 468 | |
| affinis | Echinus | Mortensen, 1903 | Syntypes | 59 | |
| affinis | Echinus | Mortensen, 1903 | Syntype | 383 | |
| affinis | Echinus | Mortensen, 1903 | Syntypes | 384 | |
| affinis | Echinus | Mortensen, 1903 | Syntypes | 385 | |
| affinis | Echinus | Mortensen, 1903 | Syntypes | 386 | |
| affinis | Hypselaster | Mortensen, 1948 | Paratype | 63 | |
| africanum | Aspidodiadema | Mortensen, 1939 | Holotype | 86 | |
| agassizii | Sterechinus | Mortensen, 1910 | Syntypes | 382 | |
| akabanus | Pericosmus | Mortensen, 1939 | Syntype | 67 | |
| akabanus | Pericosmus | Mortensen, 1939 | Syntypes | 60 | |
| akabanus | Pericosmus | Mortensen, 1939 | Syntypes | 495 | |
| alba | Goniocidaris | Mortensen, 1928 | Holotype | 1 | |
| albus | Opechinus | Mortensen, 1942 | Holotype | 64 | |
| alta | Brissopsis | Mortensen, 1907 | Paralectotypes | 58 | |
| alta | Brissopsis | Mortensen, 1907 | Paralectotype | 577 | |
| altus | Spatangus | Mortensen, 1907 | Holotype | 35 | |
| amboinae | Stylocidaris | Mortensen, 1928 | Syntype | 2 | |
| amboinae | Stylocidaris | Mortensen, 1928 | Syntype | 62 | |
| ambonensis | Nudechinus | purpurascens | Mortensen, 1942 | Syntype | 56 |
| ambonensis | Nudechinus | purpurascens | Mortensen, 1942 | Syntype | 57 |
| ambonensis | Nudechinus | Mortensen, 1942 | Syntypes | 55 | |
| ambonensis | Nudechinus | Mortensen, 1942 | Syntypes | 82 | |
| anamesus | Lytechinus | Clark, 1912 | Syntypes | 65 | |
| anamesus | Lytechinus | Clark, 1912 | Syntype | 71 | |
| angulipora | Fibularia | Mortensen, 1948 | Syntypes | 72 | |
| angulipora | Fibularia | Mortensen, 1948 | Syntypes | 80 | |
| angulipora | Fibularia | Mortensen, 1948 | Syntypes | 81 | |
| angulipora | Fibularia | Mortensen, 1948 | Syntypes | 543 | |
| angulipora | Fibularia | Mortensen, 1948 | Syntype | 544 | |
| angulosus | Parechinus | pallidus | Clark, 1923 | Syntypes | 84 |
| annulatus | Microcyphus | Mortensen, 1904 | Holotype | 3 | |
| annulatus | Protocentrotus | Mortensen, 1909 | Syntypes | 76 | |
| annulosa | Stylocidaris | Mortensen, 1927 | Paratype | 77 | |
| annulosa | Stylocidaris | Mortensen, 1927 | Paratypes | 477 | |
| antarctica | Aporocidaris | Mortensen, 1909 | Syntypes | 355 | |
| antarcticus | Sterechinus | Koehler, 1901 | Syntype | 75 | |
| apicatus | Echinocyamus | Mortensen, 1948 | Syntypes | 542 | |
| arcitum | Aspidodiadema | Mortensen, 1939 | Syntypes | 496 | |
| asteriscus | Centrostephanus | malayanus | Mortensen, 1939 | Syntype | 4 |
| atlantica | Brissopsis | mediterranea | Mortensen, 1913 | Paralectotypes | 576 |
| atlantica | Brissopsis | Mortensen, 1907 | Paralectotypes | 68 | |
| atlanticus | Echinus | helenae | Mortensen, 1942 | Holotype | 507 |
| atlanticus | Echinus | Mortensen, 1903 | Syntypes | 70 | |
| atlanticus | Lytechinus | Agassiz, 1863 | Syntypes | 340 | |
| atratus | Echinus | Linné, 1758 | Holotype | 89 | |
| auritus | Echinodiscus | siamensis | Mortensen, 1948 | Syntypes | 61 |
| auritus | Echinodiscus | siamensis | Mortensen, 1948 | Syntypes | 545 |
| auritus | Echinodiscus | siamensis | Mortensen, 1948 | Syntypes | 546 |
| auritus | Echinodiscus | siamensis | Mortensen, 1948 | Syntypes | 547 |
| australe | Echinosoma | Koehler, 1926 | Syntype | 73 | |
| australiae | Eucidaris | Mortensen, 1950 | Holotype | 74 | |
| australiae | Goniocidaris | Mortensen, 1928 | Syntype | 5 | |
| australiae | Goniocidaris | Mortensen, 1928 | Syntypes | 406 | |
| australiae | Histocidaris | Mortensen, 1928 | Syntype | 6 | |
| australiae | Histocidaris | Mortensen, 1928 | Syntype | 87 | |
| australiae | Histocidaris | Mortensen, 1928 | Syntype | 90 | |
| baculosa | Cidaris | brevicollis | de Meijere, 1904 | Syntypes | 69 |
| baculosa | Cidaris | brevicollis | de Meijere, 1904 | Syntype | 594 |
| balinensis | Goniocidaris | Mortensen, 1932 | Holotype | 558 | |
| balinensis | Goniocidaris | Mortensen, 1932 | Paratype | 559 | |
| barbatus | Diploporaster | Mortensen, 1950 | Holotype | 91 | |
| belli | Salmacis | unicolor | Mortensen, 1942 | Holotype? | 498 |
| benhami | Ogmocidaris | Mortensen, 1921 | Syntype | 79 | |
| benhami | Ogmocidaris | Mortensen, 1921 | Syntype | 354 | |
| bidens | Pericosmus | Mortensen, 1950 | Holotype | 92 | |
| bifidus | Amphipneustes | Mortensen, 1950 | Paratype | 587 | |
| bifidus | Amphipneustes | Mortensen, 1950 | Paratype | 588 | |
| bispinosa | Prionocidaris | nigrobrunnea | Mortensen, 1928 | Syntype | 431 |
| boninense | Laganum | Mortensen, 1948 | Syntypes | 85 | |
| boninense | Laganum | Mortensen, 1948 | Syntype | 95 | |
| brachypetalus | Linopneustes | Mortensen, 1950 | Holotype | 93 | |
| bracteata | Stylocidaris | mauritiana | Mortensen, 1932 | Syntype | 94 |
| bracteata | Stylocidaris | mauritiana | Mortensen, 1932 | Syntypes | 560 |
| brevis | Echinarachnius | Ikeda, 1936 | Syntype | 321 | |
| brevis | Echinarachnius | Ikeda, 1936 | Syntypes | 319 | |
| californica | Encope | Verril, 1870 | Syntype | 211 | |
| callipeplus | Lytechinus | Clark, 1912 | Paratype | 100 | |
| capense | Echinocardium | Mortensen, 1907 | Syntypes | 444 | |
| capensis | Coenopedina | Clark, 1923 | Paratype | 116 | |
| carinata | Histocidaris | Mortensen, 1928 | Holotype | 401 | |
| carolinus | Lytechinus | Agassiz, 1863 | Syntypes | 333 | |
| cavernosus | Abatus | bidens | Mortensen, 1910 | Syntypes | 575 |
| ceylanicus | Microcyphus | Mortensen, 1942 | Syntype | 501 | |
| cidaris | Cidaris | meridionalis | Mortensen, 1928 | Syntypes | 105 |
| cidaris | Cidaris | meridionalis | Mortensen, 1928 | Syntypes | 424 |
| cidaris | Cidaris | meridionalis | Mortensen, 1928 | Syntype | 425 |
| cidaris | Cidaris | meridionalis | Mortensen, 1928 | Syntypes | 426 |
| cingulata | Stylocidaris | Mortensen, 1932 | Holotype | 106 | |
| clavata | Eucidaris | Mortensen, 1928 | Syntype | 429 | |
| clavata | Eucidaris | Mortensen, 1928 | Syntype | 430 | |
| cobosi | Porocidaris | Agassiz, 1898 | Syntypes | 99 | |
| connectens | Echinocardium | Mortensen, 1933 | Syntype | 7 | |
| connectens | Echinocardium | Mortensen, 1933 | Syntype | 485 | |
| convergens | Echinocyamus | Mortensen, 1948 | Holotype | 110 | |
| cordata | Maretia | Mortensen, 1948 | Paratype | 519 | |
| cordatus | Pericosmus | Mortensen, 1950 | Syntype | 96 | |
| cordatus | Pericosmus | Mortensen, 1950 | Syntype | 118 | |
| cordatus | Pericosmus | Mortensen, 1950 | Syntype | 124 | |
| cordatus | Pericosmus | Mortensen, 1950 | Syntype | 554 | |
| coronatus | Hypsiechinus | Mortensen, 1903 | Syntype | 8 | |
| coronatus | Hypsiechinus | Mortensen, 1903 | Syntype | 9 | |
| coronatus | Hypsiechinus | Mortensen, 1903 | Syntypes | 10 | |
| coronatus | Hypsiechinus | Mortensen, 1903 | Syntypes | 97 | |
| crassa | Goniocidaris | Mortensen, 1928 | Syntype | 114 | |
| crassa | Goniocidaris | Mortensen, 1928 | Syntype | 404 | |
| crassispina | Arbacia | Mortensen, 1910 | Holotype | 119 | |
| crassispina | Histocidaris | Mortensen, 1928 | Holotype | 466 | |
| cristatus | Palaeopneustes | Agassiz, 1873 | Syntype | 113 | |
| curvidens | Abatus | Mortensen, 1936 | Paratype | 130 | |
| cyclopilus | Clypeaster | Clark, 1941 | Syntype | 111 | |
| debilis | Eremopyga | Mortensen, 1940 | Syntypes | 129 | |
| depressum | Laganum | alienum | Mortensen, 1948 | Syntypes | 108 |
| depressum | Laganum | alienum | Mortensen, 1948 | Syntypes | 527 |
| depressum | Laganum | tenue | Mortensen, 1948 | Holotype | 101 |
| dickersoni | Laganum | keiense | Mortensen, 1948 | Holotype | 107 |
| dilatatum | Asthenosoma | Mortensen, 1934 | Holotype | 11 | |
| diomedeae | Caenopedina | Mortensen, 1939 | Holotype | 109 | |
| diomedeae | Plesiozonus | Mortensen, 1948 | Paratype | 135 | |
| diomedeae | Plesiozonus | Mortensen, 1948 | Paratype | 137 | |
| diomedeae | Plesiozonus | Mortensen, 1948 | Paratype | 510 | |
| diomedeae | Plesiozonus | Mortensen, 1948 | Paratype | 511 | |
| doederleini | Lovenia | Mortensen, 1950 | Syntypes | 12 | |
| doederleini | Lovenia | Mortensen, 1950 | Syntypes | 122 | |
| doederleini | Lovenia | Mortensen, 1950 | Syntypes | 125 | |
| doederleini | Pleurechinus | Mortensen, 1904 | Syntypes | 14 | |
| doederleini | Pleurechinus | Mortensen, 1904 | Syntypes | 16 | |
| droebachiensis | Echinus | O.F. Müller, 1776 | Type | 128 | |
| echinulata | Psilocidaris | Mortensen, 1927 | Paratype | 473 | |
| ecuadorensis | Encope | Clark, 1948 | Paratype? | 590 | |
| effluens | Stylocidaris | Mortensen, 1927 | Paratype | 121 | |
| effluens | Stylocidaris | Mortensen, 1927 | Paratypes | 136 | |
| effluens | Stylocidaris | Mortensen, 1927 | Paratypes | 474 | |
| effluens | Stylocidaris | Mortensen, 1927 | Paratype | 475 | |
| effluens | Stylocidaris | Mortensen, 1927 | Syntype | 88 | |
| elegans | Breynia | Mortensen, 1948 | Holotype | 151 | |
| elegans | Temnotrema | Mortensen, 1918 | Syntypes | 571 | |
| elegans | Toxopneustes | Döderlein, 1885 | Syntype | 103 | |
| elongata | Brissopsis | Mortensen, 1907 | Paralectotypes | 399 | |
| elongata | Brissopsis | Mortensen, 1907 | Lectotype | 578 | |
| elongata | Martinosigra | Nielsen, 1942 | Syntypes | 131 | |
| elongata | Martinosigra | Nielsen, 1942 | Syntype | 593 | |
| elongatus | Hemiaster | Koehler, 1907 | Syntype | 120 | |
| euerces | Lytechinus | Clark, 1912 | Paratype | 126 | |
| eurychorius | Clypeaster | Clark, 1924 | Syntype | 134 | |
| eurychorius | Clypeaster | Clark, 1924 | Syntypes | 149 | |
| evanescens | Brissopsis | Mortensen, 1950 | Syntypes | 133 | |
| evanescens | Brissopsis | Mortensen, 1950 | Syntypes | 147 | |
| evanescens | Brissopsis | Mortensen, 1950 | Syntypes | 551 | |
| evanescens | Brissopsis | Mortensen, 1950 | Syntypes | 552 | |
| excavata | Stereocidaris | Mortensen, 1932 | Syntypes | 155 | |
| fervens | Clypeaster | hiradicus | Mortensen, 1948 | Holotype | 142 |
| flavescens | Spatagus | Müller, 1776 | Neotype | 17 | |
| forcipulatus | Phyllacanthus | Mortensen, 1936 | Paratypes | 145 | |
| forcipulatus | Phyllacanthus | Mortensen, 1936 | Paratype | 148 | |
| forcipulatus | Phyllacanthus | Mortensen, 1936 | Paratype? | 494 | |
| formosa | Histocidaris | Mortensen, 1928 | Syntype | 18 | |
| formosa | Histocidaris | Mortensen, 1928 | Syntype | 403 | |
| fragilis | Encope | Clark, 1948 | Paratype? | 591 | |
| fudsiyama | Laganum | africanum | Mortensen, 1948 | Syntype | 141 |
| fudsiyama | Laganum | africanum | Mortensen, 1948 | Syntypes? | 533 |
| fudsiyama | Laganum | indicum | Mortensen, 1948 | Syntypes | 154 |
| fudsiyama | Laganum | indicum | Mortensen, 1948 | Syntype | 528 |
| fudsiyama | Laganum | indicum | Mortensen, 1948 | Syntypes | 529 |
| fudsiyama | Laganum | indicum | Mortensen, 1948 | Syntypes | 530 |
| fudsiyama | Laganum | indicum | Mortensen, 1948 | Syntypes | 531 |
| fudsiyama | Laganum | indicum | Mortensen, 1948 | Syntype | 532 |
| fulva | Aerope | Agassiz, 1898 | Syntype | 139 | |
| fusca | Lissocidaris | Mortensen, 1939 | Holotype | 569 | |
| fusispina | Stylocidaris | Mortensen, 1928 | Syntype | 19 | |
| gaussensis | Notocidaris | Mortensen, 1909 | Syntypes | 377 | |
| gaussensis | Notocidaris | Mortensen, 1909 | Syntype | 378 | |
| gaussensis | Notocidaris | Mortensen, 1909 | Syntypes | 379 | |
| geliberti | Eurocidaris | Koehler, 1912 | Holotype | 176 | |
| gemmiferum | Hapalosoma | Mortensen, 1934 | Syntype | 20 | |
| gemmiferum | Hapalosoma | Mortensen, 1934 | Syntype | 489 | |
| gigantea | Austrocidaris | Clark, 1925 | Syntype | 152 | |
| globulosum | Diadema | Agassiz, 1863 | Syntype | 179 | |
| gracilis | Echinus | Agassiz, 1869 | Syntype | 181 | |
| gracilis | Nacospatangus | Agassiz, 1873 | Syntype | 140 | |
| grandiporus | Echinocyamus | Mortensen, 1907 | Syntype | 143 | |
| grandiporus | Echinocyamus | Mortensen, 1907 | Syntypes | 445 | |
| grandiporus | Echinocyamus | Mortensen, 1907 | Syntype | 446 | |
| grandiporus | Echinocyamus | Mortensen, 1907 | Syntype | 447 | |
| grandiporus | Echinocyamus | Mortensen, 1907 | Syntypes | 448 | |
| grandiporus | Echinocyamus | Mortensen, 1907 | Syntypes | 449 | |
| grandiporus | Echinocyamus | Mortensen, 1907 | Syntype | 450 | |
| grandiporus | Echinocyamus | Mortensen, 1907 | Syntypes | 451 | |
| grandiporus | Echinocyamus | Mortensen, 1907 | Syntype? | 452 | |
| grandiporus | Eurypatagus | Mortensen, 1948 | Syntypes | 150 | |
| grandis | Anametalia | Mortensen, 1950 | Holotype |