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051 



TERTIARY FAUNA OF FLORIDA 



Genus Psainmosolen Risso, 1826. Type -S\ strigilatus Linne. 



Shell subcylindric, short, not fully covering the retracted animal ; beaks 

 subcentral, ends subtruncate ; teeth in each valve two, but no clavicle is 

 present ; typical section with incised oblique or divergent sculpture. 



Section Azor (Leach), 1844. Type S. antiquatus Pulteney. 

 Sculpture concentric only. 



Genus SOLEN Linne'. 



Solen Linne, Syst. Nat., ed. x., p. 672, 1758, ex parte. 

 Solcn Scopoli, Intr. ad Hist. Nat., p. 397, 1777; Lamarck, Prodr., p. 83, 1799. Type 



S. vagina Lam., not Linne, = 5. marginatus Pulteney. 

 > Solenarius Dumeril, Zool. Anal., p. 168, 181 1 ; not of Morch, 1853. 

 Vagina Megerle, Mag. Ges. Nat. Fr., 1811, p. 44. Type S. recta Megerle = 5. vagina L. 

 Solen Schumacher, Essai, p. 124, pi. vi., fig. 3, 1817; not of Megerle, op. cit., p. 45, 1811. 

 Fistula Morch, Cat. Yoldi, ii., p. 6, 1853 (after Martini, Conch. Cab., 1774, non-binomial). 

 Solenarius Morch, Cat. Yoldi, ii., p. 6, 1853. 

 Hypogaa -f- Hypogaoderma (sp.) Poli, Test. Utr. Sicil., 1791-5. 

 Listera Leach (Gray), Synops. Moll. Gt. Brit., p. 261, 1852; sole ex. Solen marginatus 



Pulteney. 

 Soldi Fischer, Man. de Conchyl., p. mo, 1887; Newton, Syst. List Brit. Olig. and Eoc. 



Moll., p. 78, 1891. 

 Solena Morch, Cat. Yoldi, ii., p. 7, 1853. Type Solen obliquus Spengler, not Sowerby, 



1844; H. and A. Adams, Gen. Rec. Moll., ii., p. 342, 1856; Conrad, Am. Journ. 



Conch., iii., Supplem., p. 27, 1867; Fischer, Man. Conchyl., p. mo, 1887 (after 



Browne, 1756, non-binomial; no type). 

 Hypogella Gray, Ann. Mag. Nat. Hist, xiv., p. 23, 1854. Type Solen ambiguus Lam. 



(= 5. obliquus Spengler); Fischer, Man. de Conchyl., p. mi, 1887. 

 Plectosolen Conrad, Am. Journ. Conch., ii., p. 103, 1866. Type (selected by Fischer, 



Man. de Conchyl., p. mi, 1887) Solen angustus Desh. 

 Ensatella (rudis) Carpenter, Suppl. Rep. Brit. As., 1863, p. 39; not of Swainson. 



The genus Solen as originally used by Linne was heterogeneous, but the 

 diagnosis of Scopoli fixes the name on the species of the type of 5". margina- 

 tus. Browne, of Jamaica, was not a binomial writer, and applied the classical 

 name Solena indiscriminately to all soleniform bivalves. Morch reintroduced 

 the word to apply to the rude brackish-water forms like 5. obliquus Spengler, 

 while Plectosolen Conrad may be retained sectionally for the earlier fossils 

 of the Tertiary, which differ from Solena by having a well-marked furrow 

 externally from the beaks to the anterior ventral angle. There are several of 

 these in the American Tertiaries. 



