228 DENTALIUM, MESOZOIC. 



D. spiTiENSE Guembel, 1866. Sitzungsber. K. bayer. Akad. Wis- 

 sensch. Miinchen, Jahrg. 1865, Vol. ii, p. 360, plate, fig. 7. 



Trias, Thibet. 

 D. STRAMiNEUM Gabb, 1864. Geol. Surv. California, Paleont., 

 i, p. 139, pi. 21, fig. 101. 



Cretaceous : Northeast of Martinez, San Diego, etc., Calijornia. 



D. suBARcuATUM Coiirad, 1853. Journal Acad. Nat. Sci. Phila. 

 (2 Ser.), Vol. ii, p. 276, pi. 24, fig. 13.— Whitfield, Paleontology 

 of New Jersey, Gastrop. and Ceph. Raritan Clays and Green Sand 

 Marls, p. 166, pi. 20, f. 19-24. 



Cretaceous : Lower Green Marls, Mullica Hill, and underlying 

 clays at Crossivicks and Haddonfield, N. J. 



D. suBCYLiNDRicuM Philippi, 1887. Tertiar. und Quartiir. 

 Verstein. Chiles, p. 105, pi. 12, f. 14. 



Cretaceous, Algarroha and S. Vicente, Chili. 

 D. suBPLANUM Pilsbry & Sharp, 1898, n. n. 



D. cylindricum Gardner, 1878. Quart. Jul. Geol. Soc. Loudon^ 

 1878, Vol. 34, p. 61, pi. iii, figs. 21-25. 



Cretaceous, Blachdown, England. 



This is not D. cylindricum of Sowerby, according to Gardner, I. c. 

 It may possibly be a Ditrupa, but in any case requires a new name. 



D. 8UBQUADRATUM Meek, 1860. Proceed. Acad. Nat. Sci. Phila. 

 p. 311. 



Jurassic, North Platte River. 



D. TENUE Muenster, 1844. Goldfuss, Petrifac. German., Vol. iii, 

 p. 2, pi. 166, fig. 6. 



Jurassic, Pappenheim, Bavaria. 



D. TENUicosTATUM Boehm, 1891. Palseontographica, Vol. 38, 

 p. 69, pi. ii, fig. 34a. 



Cretaceous, Gerhardtsreiter Grahen, Bavaria. 



D. TORQUATUM (Schlotheim), 1820. Guembel, Geol. von. Bay- 

 ern. (3 Lief.), p. 669, 670, f. 19. 



Dentalites torquatus Schl., Die Petrefactenkunde, p. 94. 



D. tonosum Zenker, 1837, in Geinitz, Beitr. Kennt. Thueringer 



Musch. Gebr., pi. i, fig. 2. 



Triassic Muschelkalk, Germany. 



D. TURONiENSE Woods, 1896. Quart. Journ. Geol. Soc. Lond., 

 Vol. 52, p. 96, pi. iv, figs. 16-17. 



Cretaceous, Winchester, etc., England. 



