*i4. sinuatus Sars, 1906. Chappaquiddick Island 

 (Wilson 1932). Lang (1948) stated that Wilson's 

 designation is not correct but Lang was unable to 

 clearly place this New England form. 



Diosaccus tenuicornis (Claus, 1863). Charlestown 

 Pond, R.L (Williams 1906) and algae, Eel Pond, 

 Woods Hole, Mass. (Sharps 1911; Wilson 1932). 

 Cosmopolitan. 



Goffinella stylifer Wilson, 1932. This monotypic 

 genus was recently placed in the Diosaccidae 

 (Geddes 1968), resolving an enigma that has per- 

 sisted for a long time (Lang 1948). Only collection is 

 by Wilson (1932) from sandy beaches in Buzzard's 

 Bay. See Wells (in press) for discussion of this 

 species. 



Param phi a sc e I la commensalis Seiwell, 

 1928). Amphiascus commensalis Seiwell (1928); A. 

 commensalis Seiwell of Wilson (1932); 

 Paramphiascoides commensalis of Sleeter and Coull 

 (1973). Symboint with the sea pork {Amaroucium) 

 at Woods Hole (Seiwell 1928; Wilson 1932) and the 

 wood-boring isopod Limnoria tripunctata at Dux- 

 bury', Mass. (Sleeter and Coull 1973). No other 

 records are known. 



P. fulvofasciata Rosenfield and Coull, 1974. Known 

 from the original description from Quincy, Mass. 

 (Rosenfield and Coull 1974) and from boards in- 

 fested with Limnoria (Sleeter and Coull 1973). 

 Recently found at Norfolk, England (G. F. Hicks 

 pers. commun.). 



P. hispida (Brady, 1880). Amphiascus hispida 

 (Brady) of Wilson (1932). Cape Cod brackish ponds 

 (Wilson 1932). North Atlantic distribution. 



P. intermedia (T. Scott, 1896). Amphiascus in- 

 termedins (T. Scott) of Wilson (1932). Brackish 

 ponds, Falmouth, Mass. (Wilson 1932) Northern 

 European distribution with one record from North 

 Carolina (Coull 1971a). 



Paramphiascopsis longirostris (Claus, 1863). Am- 

 phiascus longirostris (Claus) of Wilson (1932). 

 Brackish ponds, Chappaquiddick Island (Wilson 

 1932) North Atlantic distribution. 



*P. pallidus (Sars, 1906). Amphiascus pallidus Sars 

 of Wilson (1932). Marine embayments Cape Cod, 

 Martha's Vineyard (Wilson 1932). Known also from 

 Norway and North Carolina. Lang (1948) believed 

 that Wilson's designation was incorrect, but was not 

 sure what species Wilson had. 



Protopsammotopa species (Wells in press). Part of 

 the collection identified by Wilson (1932) as Gof- 

 finella stylifer has recently been assigned to this 

 species. The description is in press (Wells). Known 

 only from Wilson's (1932) original collection and 

 from sandy substrates in South Carolina (Coull un- 

 publ. data). 



Psammotopa vulgaris Pennak, 1942. The familial 

 placement of this genus and species has been an 

 enigma (see Pennak 1942b; Lang 1965). Cedes 

 (1968) has recently placed it in the Diosaccidae and 



with good reason. For that reason it is included here. 

 Pennak (1942a, b) found it in beaches in the Woods 

 Hole area. It is now known from Europe, the 

 Mediterranean, and North Carolina. 



'Pseudoamphiascopsis attenuatus (Sais, 1906). Am- 

 phiascus attenuatus Sars of Wilson (1932). Lang 

 (1948) asserted that Wilson did not find this species 

 and therefore its northeastern U.S. record is in 

 doubt. 



Robertgurneya dactylifera (Wilson, 1932). Am- 

 phiascus dacty lifer Wilson (1932). Brackish ponds, 

 Chappaquiddick Island (Wilson 1932), only known 

 collection. 



"R. erythraeus" (A. Scott, 1902). Lang (1948) syn- 

 onymized R. erythraeus with R. similis a highly 

 variable species. Rosenfield (1967) felt that Lang's 

 synonomy was incorrect and that R. erythraeus 

 must be reinstated as a valid species. Rosenfield 

 (1967) asserted that his Massachusetts Bay species 

 corresponds with the published description of 

 erythraeus and not similis and therefore I have in- 

 cluded it here. 



Robertsonia propinqua (T. Scott, 1893). North 

 Scituate, Mass., among algae (Rosenfield 1967). All 

 other records of this species are from warm-tem- 

 perature and tropical regions suggesting a circum- 

 tropical distribution with Rosenfield's exception, 

 one record from Argentina and one from New 

 Zealand. 



Schizopera knabeni Lang, 1965. Previously known 

 only from California. Rosenfield (1967) found it at 

 North Scituate, Mass. and Brickman (1972) in New 

 Jersey salt marshes. All records report it in brackish 

 water detritus or algae. 



Stenhelia {Stenhelia) divergerus Nicholls, 1939. 



Brickman (1972) from New Jersey salt marshes. 



Other records from St. Laurent, Canada; New York; 



and North Carolina. 

 S. {Delualia) arenicola Wilson, 1932. In addition to 



Wilson's (1932) original description from Buzzard's 



Bay, this sediment dweller has been reported from 



North Carolina and Brazil, 

 S. (D.) reflexa Brady and Robertson, 1880. Wilson 



(1932), 10 m off No Man's Land. Otherwise cir- 



cumeuropean with Coull (1971a) reporting it from 



North Carolina. 



Family Miracidae Dana, 1846. 



Macrosetella gracilis (Dana, 1848). Planktonic, cos- 

 mopolitan. Woods Hole (Fish 1925; Wilson 1932), 

 Gulf of Maine (Wilson 1932) 97 km south of 

 Martha's Vineyard (Wheeler 1899). 



Miracia efferata Dana, 1852. Planktonic, cos- 

 mopolitan. Wheeler (1899) and Wilson (1932) report 

 it from 60 miles south of Martha's Vineyard. 



Oculosetella gracilis (Dana, 1852). Macrosetella 

 oculata (Sars) of Wilson (1932). Cosmopolitan, 

 planktonic, collected by Wilson (1932) offshore of 

 Cape Cod. 



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