226 DENTALIUM, MESOZOIC. 



D. OVOSECTUM Sharp & Pilsbry. New name for D. glabrum 

 Geinitz, 1839, not of Montagu, 1804. 



D. glabrum GEINITZ, 1839, not of Montagu, 1803. Charac. d. 

 Schichten and Petrefac. Sachisch.-bohm. Kreidegebirg. Heft i, p. 

 74, pi. 18, fig. 28; and Heft, ii, p. 11, pi. i, fig. 27. 



Cenomanien, Tyssa, Limburg, Gorlitz, etc. 



D. PARKINSONI Quenstedt, 1852. Handb. d. Petrefactenkuride, 

 Tuebingen, p. 443, pi. 35, fig. 19. 2d edit., p. 531. Der Jura, pi. 

 65, f. 5, 6. 



Middle Jurassic, Popielany, etc. 



Dunker considers this identical with D. entaloides Desl. ; see 

 Palseontographica, xiii, p. 137. 

 D. PARVULUM (Stoliczka), 1868. 



Fustiaria parvula STOLICZKA, Cretac. Faun, south. India, Vol. ii, 

 p. 445, pi. xxvii, fig. 22. 



Cretaceous, India. 



D. PAUPERGULUM Meek & Hayden, 1860. Proceed. Acad. Nat. 

 Sci. Phila., p. 178. 



Cretaceous, Nebraska and S. Dakota. 



D. PENTAGONALE Pilsbry & Sharp, 1898. New name for D. 

 quinquangulare Guembel, 1861, not Forbes, 1844. 



D. quinquangulare GUEMBEL, 1861. Geognos. Beschreib. Bayer- 

 isch. Alpengebirg., p. 409. 



Trias of the Bavarian Alps. 

 May be an Entalina. 



D. PLANICOSTATUM Hubert, 1855. Mem. Geol. Soc. France, 2 

 Ser., Vol. v, p. 374, pi. 29, fig. 11. 



Cretaceous, Mendon, France. 



D. POLYGONUM Reuss, 1844. Geogn. Skizz. aus Bohmen, Vol. 

 ii, p. 201-202. We have not seen this work. The reference is 

 taken from Reuss, Verstein. Bohrn. Kreideform., 1845-6, Abth., I, 



p. 41, pi. xi, f. 5. 



Cretaceous, Bohemia. 



D. PUNCTATOSTRIATUM Guembel, 1861. (Nomen nudum), Geo- 

 gnos. Beschreib. bayerisch. Alpengebirg., p. 274. 



Trias, Lodensee. 



D. QUENSTEDTI Blake, 1875. Quart. Journ. Geol. Soc. London, 

 Vol. xxxi, p. 226 ; figured in Quenstedt Der Jura, p. 98 (no name). 



Kimmeridge Clay, England. 



