Table 12. Invertebrate taxa in various regions off Alaska.

Taxa	Prince William Sound macro-faunaa	Eastern Bering & Chukchi Seas shelf macro-faunab	Arctic Boulder Patch epi-benthosc	Chukchi Sea free-living invertebratesd	Central Arctic Basin free-living invertebrates d	Beaufort Sea & W. Amundsen Gulf benthic invertebrates e
Ciliophora				4	1
Radiolaria				13	11
Foraminifera				61	191	18
Porifera	12	1	6	18	27	5
Cnidaria	106	9	15	73	64	44
Ctenophora	5			4
Platyhelminthes				1		1
Nemertea	59			13	2	1
Kinorhyncha				5		1
Priapulida	1	1	1			5
Sipuncula	4	3		7	6	3
Echiura	1	1		2
Annelida	301	147	59	185	73	230
Pogonophora					6	1
Crustacea	554	143	46	414	379	291
Chelicerata (non-arachinid)				14		13
Mollusca	340	143	49	185	32	155
Bryozoa/Ectoprocta	82		14	109	1	28
Brachiopoda	5	2		2	4	2
Echinodermata	72	32		33	26	38
Chaetognatha	5		1	11	10
Urochordata	35	10	4	14		19
Total	1,582	492	195	1,168	833	855

Notes:

^aFoster NR (2003) Database on the marine invertebrate macrofauna of Prince William Sound: An addition to the University of Alaska Museum's ARCTOS Network. Exxon Valdez Oil Spill Gulf of Alaska Monitoring and Research Project 030642 Final Report.

^bStoker SW (1978) Benthic invertebrate macrofauna of the eastern continental shelf of the Bering and Chukchi Seas. Ph.D. Thesis: University of Alaska Fairbanks. 259 p.

^cDunton KH, Schonberg SV (2000) The benthic faunal assemblage of the Boulder Patch kelp community. In: Truett JC, Johnson SR, editors. The natural history of an arctic oil field. New York: Academic Press. pp. 371-397.

^dSirenko BI (2001) List of species of free-living invertebrates of Eurasian Arctic seas and adjacent deep waters. Explorations of the Fauna of the Seas 51(59).

^eChapman AS, Kostylev VE (2008) Distribution, abundance and diversity of benthic species from the Beaufort Sea and western Amundsen Gulf – a summary of data collected between 1951 and 2000. Geological Survey of Canada. Open File 5685. 47 p.