NMNH Holdings
The USAP collection includes approximately 80 000 lots of specimens identified at least to phylum.
This table is a rough breakdown of the holdings by major group. Click here for a detailed search of the collection.
| Phylum | Subgroup | Number of Species in Holdings | Total Lots | Catalogued Lots | Lots Identified to Species |
|---|---|---|---|---|---|
| Annelida | Hirudinea | 16 | 152 | 128 | |
| Oligochaeta | 5 | 71 | 26 | ||
| Polychaeta | 374 | 6010 | 2774 | ||
| Arthropoda | Amphipoda | 192 | 8816 | 3045 | 628 |
| Decapoda | 50 | 1065 | 292 | 288 | |
| Euphausiacea | 4 | 362 | 8 | 7 | |
| Isopoda | 126 | 699 | 435 | 413 | |
| Mysidacea | 7 | 3000 | 24 | 23 | |
| Ostracoda | 87 | 4050 | 1050 | 638 | |
| Bryozoa | 31 | 2712 | 2626 | ||
| Chaetognatha | 0 | 3864 | 62 | 0 | |
| Chordata | Ascidiacea | 97 | 3156 | 2845 | |
| Thaliacea | 1 | 1812 | 739 | 1 | |
| Cnidaria | Anthozoa | 184 | 2030 | 1086 | |
| Hydrozoa | 137 | 3526 | 1169 | 937 | |
| Scyphozoa | 11 | 255 | 173 | ||
| Staurozoa | 1 | 10 | 9 | ||
| Ctenophora | 1 | 286 | 2 | 2 | |
| Echinodermata | Asteroidea | 126 | 2694 | 2497 | |
| Crinoidea | 24 | 650 | 265 | 247 | |
| Echinoidea | 61 | 1031 | 947 | ||
| Holothuroidea | 101 | 2090 | 1587 | ||
| Ophiuroidea | 119 | 2733 | 2642 | ||
| Echiura | 1 | 49 | 1 | ||
| Hemichordata | 6 | 108 | 51 | 50 | |
| Mollusca | Aplacophora | 64 | 105 | 80 | |
| Bivalvia | 200 | 3800 | 2700 | ||
| Cephalopoda | 35 | 1484 | 1342 | 693 | |
| Gastropoda | 331 | 5500 | 2650 | ||
| Polyplacophora | 18 | 228 | 157 | ||
| Scaphopoda | 5 | 177 | 102 | ||
| Nematoda | Adenophorea | 46 | 1590 | 1273 | |
| Secernentea | 5 | 33 | 33 | ||
| Nemertea | Anopla | 14 | 237 | 236 | |
| Enopla | 14 | 47 | 47 | ||
| Platyhelminthes | 1 | 148 | 147 | ||
| Porifera | Demospongiae | 77 | 1500 | 844 | |
| Hexactinellida | 5 | 396 | 157 | ||
| 0 | 3101 | 0 | |||
| Priapulida | 1 | 23 | 4 | 4 | |
| Sipuncula | 5 | 661 | 56 | ||
| Tardigrada | 27 | 66 | 66 |
