Family Metidae Sars, 1910. 



Metis holothuriae {Edwards, 1891). Ilyopsyllus sarsi 

 by Sharpe (1911). Ilyopsyllus sarsi Sharpe of Fish 

 (1925); Metis jousseaumei (Richard) of Wilson 

 (1932). A red animal, very common in algae and 

 detritus around Woods Hole (Sharpe 1911; Fish 

 1925; Wilson 1932). Cosmopolitan distribution, 

 known from most of the world. 



M. ignea Phillipi, 1843. Plankton, Chatham, Mass. 

 (Wilson 1932). North Atlantic distribution, with one 

 report from the Indian Ocean (Wells and McKenzie 

 1973). 



M. natans (Williams, 1906). Ilyopsyllus natans Wil- 

 liams (1906). Plankton, Narragansett Bay (Wil- 

 liams 1906; Wilson 1932). Only known collection. 

 Family Ameiridae Monard, 1927; Char. rev. Lang, i936. 



Ameira parvula (Claus, 1866). Ameira tau 

 (Giesbrecht) of Wilson (1932). Chappaquiddick 

 Island (Wilson 1932). Cosmopolitan. 



*A. tenuicornis T. Scott, 1902. Sand, Martha's 

 Vineyard (Wilson 1932). Lang (1948) again stated 

 that Wilson's (1932) identification is unsure. The 

 only sure known records are from northern Europe 

 (Lang 1948). 



Nitocra chelifer Wilson, 1932. Intertidal sands 

 Martha's Vineyard (Wilson 1932) and Baxter's 

 Beach, Conn. (Zinn 1942). Only known collections. 



N. platypus Daday, 1906. Reported from New Jer- 

 sey salt marshes by Brickman (1972). Only other 

 records are from South Pacific. 



N. spinipes Boeck, 1864. Nitocra medusaea Humes 

 (1953). Ponds, Nape Cod and Martha's Vineyard 

 (Wilson 1932); low salinity. New Jersey salt marshes 

 (Brickman 1972), Hudson River Estuary, Hacken- 

 sack Meadows, N.J. (Coull unpubl. data); and 

 exumbrellular surface of Aurelia from New Hamp- 

 shire (Humes 1953). Cosmopolitan. 



N. typica Boeck, 1864. Sand, Martha's Vineyard 

 (Wilson 1932) and Southhampton Harbor, Long 

 Island, N.Y. (Coull unpubl. data). Cosmopolitan. 



*Proameira simplex (Norman and T. Scott, 

 1905). Wilson (1932) reported this species as 

 Ameira simplex from Chappaquiddick Island, 

 however, Lang (1948) said Wilson was mistaken and 

 this species is not truly known from the northeast. 

 Family Paramesochridae Lang, 1948; Char. rev. Kunz, 

 1962. See Kunz 1962 for familial revision. 



"Emertonia gracilis" Wilson, 1932. Known from 

 Woods Hole (Wilson 1932; Pennak 1942a) and Con- 

 necticut beaches (Zinn 1942). Only known collec- 

 tions. Genus incertum et species incerta (Lang 

 1948). 



Remanea plumsa Pennak, 1942. Falmouth beaches 

 (Pennak 1942a, b). Only known record. 

 Family Tetragonicipitidae Lang, 1948; Char. rev. Coull, 

 1973. See Coull (1973) for familial revision. 



Phyllopodopsyllus aegypticus Nicholls, 1939. New 

 Jersey salt marshes (Brickman 1972). Only previous 

 record is from the Red Sea. 

 Family Canthocamptidae Sars, 1906; Char. rev. Monard, 



1927; Char. rev. Lang, 1948. See Hamond (1971) 

 for key to genus Mesochra. 



Mesochra lilljeborgi Boeck, 1864. Chappaquiddick 

 Island (Wilson 1932); Southampton Harbor, Long 

 Island, N.Y. (Coull unpubl. data). North Atlantic 

 distribution. 



M. pygmaea (Claus, 1863). Sand, Martha's Vineyard 

 (Wilson 1932). Long Island Sound algae (Coull un- 

 publ. data). A cosmopolitan species recently review- 

 ed by Hamond (1971). 



M. rapiens (Schmeil, 1894). New Jersey salt marshes 

 (Brickman 1972). Brackish species with cir- 

 cumeuropean distribution. 



M. wolskii Jakubisiak, 1933. New Jersey salt 

 marshes (Brickman 1972). Previously known from 

 Cuba. 

 Family Cylindropsyllidae Sars, 1909; Char. rev. Lang, 

 1948. The entire family is traditionally found 

 as interstitial fauna in sand. 



Arenopontia arenardia (Pennak, 1942). Psammolep- 

 tastacus arenardius Pennak (1942b) and P. arenar- 

 dius Pennak of Pennak (1942a) and Zinn (1942). 

 Woods Hole beaches (Pennak 1942a, b) and beaches 

 of Baxter's Point, Conn. (Zinn 1942). Only other 

 reports are by Coull (1971a) and Lindgren (1972) 

 from North Carolina. 



Evansula incerta (T. Scott, 1892). Woods Hole 

 beaches (Wilson 1932). Known previously from the 

 Atlantic coast of Europe and North Carolina. 



Leptastacus macronyx (T. Scott, 1892). Woods Hole 

 beaches (Wilson 1932). Known from the North At- 

 lantic (both sides) as far south as Ghana and Brazil. 



Paraleptastacus brevicaudatus Wilson, 

 1932. Beaches of Woods Hole (Wilson 1932; Pen- 

 nak 1942a) and Connecticut (Zinn 1942). Only 

 known records. 



P. katamensis Wilson, 1932. Woods Hole region 

 beaches (Wilson 1932). Only record. 



Stenocaris arenicola Wilson, 1932. Twelve (12) miles 

 south of Martha's Vineyard at a depth of 35 m in 

 sandy bottom (Wilson 1932). Only known record. 



S. minor (T. Scott, 1892). Woods Hole beaches (Wil- 

 son 1932). North Atlantic distribution. 

 Family Cletodidae T. Scott, 1904. 



Cletocamptus deitersi (Richard, 1897). Attheyella 

 bicolor Wilson (1932); Cletocamptus bicolor (Wil- 

 son) of Brickman (1972) Yeatman (1963) asserted 

 there is so much variability in this species that all 

 "bicolor" species are varieties of deitersi. Further- 

 more, Yeatman examined Wilson's types and found 

 that the female A, is 6-segmented and not 8-seg- 

 mented as Wilson figured. Known in the northeast 

 from Chappaquiddick Island (Wilson 1932; Yeat- 

 man 1963) and New Jersey salt marshes (Brickman 

 1972). Known from Hawaii and in the western North 

 Atlantic, from Argentina to Massachusetts. 



Enhydrosoma longifurcatum Sars, 1909. New Jersey 

 salt marshes (Brickman, 1972). Probably cos- 

 mopolitan or at least North Atlantic, from much of 

 Europe and the U.S. eastern coast. 



43 



