FAUNA OP ORTHAULAX PUGISTAX ZONE. 131 



Family PLEUKOPHORIDAE. 

 Genus CORALLIOPHAGA Blainville. 



CoralUophaga Blainville, Man. Malac, p. 560, 1825. 



Lithophagella (Gray Ms. ?) fide H. and A. Adams, Gen. Rec. Moll., vol. 2, 



p. 439, 1857. 

 Cypricanlia (sp.) Lamaeck, Auim. s. Vert, vol. 6, pt. 1, p. 28, No. 4, 1819. 

 CoralUophaga Dall, Trans. Wagner Inst., vol. 3, pt, 6, pp. 1497, 1498, Oct., 



1903. 



CORALLIOPHAGA ELEGANTULA DaU. 

 Plate 23, figs. 11, 13. 



CoralUophaga elegantula Dall, Trans. Wagner Inst., vol. 3, pt. 6, p. 1499, 



pi. 25, figs. 2, 2a, 1903. 

 CoralUophaga elegans Dall, Trans. Wagner Inst., vol. 3, pt. 4, p. 920, pi. 



25, figs. 2, 2a, 1898 ; not Deshayes, 1824. 



Oligocene of the Tampa silex beds at Ballast Point, Tampa Bay, 

 and of the Chipola River marls, Calhoun County, Florida ; Dall and 

 Crosby. U. S. Nat. Mus. No. 155710. 



This can be discriminated from any other American species by its 

 surface — smooth, except for faint incremental lines. 



Family CRASSATELLITIDAE. 



Genus CRASSATELLITES Kruger. 



CrassatelUtes Kruger, Arch, neuest. Entd. Urwelt, vol. 2, p. 466, 1823. Type, 

 Crassatella gilibosula Lamarck. — Dall, Trans. Wagner Inst., vol. 3, pt. 

 6, p. 1468, 1903. 



Crassatella (sp.) Lamarck, Syst. Auim. s. Vert., p. 119, 1801, not of 

 Lamarck, Prodrome, p. 85, 1799. 



Section SCAMBULA Conrad. 



Scamhula Conrad, Amer. Jouru. Conch., vol. 5. p. 51, 1869 (part). Type, 

 8. perplana Conrad, Amer. Journ. Oonch., vol. 5, p. 48, pi. 9, figs. 7, 8, 

 1869.— Dall, Trans. Wagner Inst., vol. 3, pt. 6. p. 1467, 1903. 



CRASSATELLITES DEFORMIS Heilprin. 



Plate 22, figs. 6, 7. 



Crassatella deformis Heilprin, Trans. Wagner Inst., vol. 1, p. 117, pi. 16, 



fig. 63, 1887. 

 CrassatelUtes (Scamhula) deformis Dall, Trans. Wagner Inst., vol. 3, pt. 



6, p. 1471, 1903. 



Tampa silex beds at Ballast Point, Tampa Bay, Florida ; Willcox, 

 Heilprin, Post, and Dall. U. S. Nat. Mus. No. 165191. 



