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