CRE. CUN.] 



LAMELLIBRANCHIA TA. 



473 



ohioense, Meek, 1871, Proc. Acad. Nat. 

 Sci. Phil., p. 66, and Ohio Pal,, vol. 

 1, p. 203, Cor- 

 niferous Gr. 



ornatum, Winchell 

 & Marcy, 1865, 

 Mem. Bost. Soc. 

 Nat. Hist., p. Ill, 

 Niagara Gr. 



parrishi, Worth en, 

 (in press,) Geo. 

 Sur. 111., vol. 8, 



FIG. 799. Conocardium 

 subt r i g o n a 1 e . Side 

 view. 



}. 112, TJp. Coal 



prattenanum, Hall, 1858, Trans. Alb. Inst., 

 vol. 4, p. 15, and Bull. Am. Mus. Nat. 

 Hist., p. 61, Warsaw Gr. 



pulchellum, White' & 

 Whitfield, 1862, 

 Proc. Bost. Soc. Nat. 

 Hist., vol. 8, p. 299, 

 Kinderhook Gr. 



reliquum, Hall, 1883, 

 Pal. N. Y., vol. 5, pi. 

 68, fig. 33, Chemung 

 Gr. 



rugosum, Hall, 1883, 



Pal. N. Y., vol. 5, pi. FIG. 800. Conocar- 

 .68, fig. 32, Ham. Gr. dium subtrigonale. 



subtrigLale, D'Or- iSST "%j 

 bigny, 1850, Prodr. nection of theala- 

 d. Paleont., t. 1, p. tions 

 80, Up. Held. Gr. Proposed instead of 

 C. trigonale, Hall, 1843, Geo. Rep. 4th 

 Dist., N. Y., p. 171, which was preoc- 

 cupied. 



FIG. 801. Conocardium subtrigonale. a, Shows 

 part of the alation ; h, points to the posterior 

 hiatus. 



tegulum, Hall, 1883, Pal. N. Y., vol. 5, pi. 

 68, figs. 30-31, Niagara Gr. "^ 



trigonale, Phillips, 1836, (Pleurorhynchus 

 trigonale,) Geol. Yorkshire, p. 211, 

 Devonian. 



trigonale, Hall, see C. subtrigonale. 



ventricosum, Hall, 1860, 13th Rep. N. Y. 

 Mus. Nat. Hist., p. 91, Ham. Gr. 



vomer, Conrad, 1842, (Pleurorhynchus 

 vomer,) Jour. Acad. Nat. Sci., vol. 8. p. 

 253, Devonian. 



CRENIPECTEN, Hall, 1883, Pal. N. Y., vol. 5, 

 p. 3. (Plates and Explanations.) [Ety. 

 crena, notch ; Pecten, a genus.] In form 

 like Aviculopecten, but the hinge is fur- 

 nished with a series of small cartilage 

 pits throughout its entire length. Type 

 C. crenulatus. 



amplus, Hall, 1883, Pal. N. Y., vol. 5, pt. 

 1, p. 81, Chemung Gr. 



crenulatus, Hall, 1843, (Pecten crenula- 

 tus,) Geo. Sur. 4th Dist. N. Y., p. 



265, and Pal.N.Y., 



vol. 5, pt. 1, p. 82, 



Chemung Gr. 

 glaber, Hall, 1843, 



(Limaglabra,) Geo. 



Sur. 4th Dist. N. Y., 



p. 255, and Pal. 



N. Y., vol. 5, pt. 1, 



p. 85, Chemung Gr. ^^^nm^ 



hallanus, Walcott, FlG . 802.-Crenipecten 



1885, Monogr. U. b. crenulatus. 



Geo. Sur., vol. 8, 



p. 231, Subcarboniferous. 

 impolitus. Hall, 1883, Pal. N. Y., vol. 5 



pt. 1, p. 83, Chemung Gr. 



FIG. 804. Crenipecteuretif- 

 erus. 



FIG. 803. Creniptecten crenulatus. Hinge-line. 



leon, Hall, 1883, Pal. N. Y., vol. 5, pt. 1, 



p. 88, Chemung Gr. 

 liratus. Hall, 1883, Pal. N. Y., vol. 5, pt. 1, 



p. 87, Chemung Gr. 

 micropterus, Hall, 1883, Pal. N. Y., vol. 5, 



pt. 1, p. 86, Chemung Gr. 

 obsoletus,, Hall, 1843, (Lima obsoleta,) 

 Geo. Sur. 4th Dist., N. Y., p. 265, and 

 Pal. N. Y., vol. 5, pt. 1, p. 84, Che- 

 mung Gr. 



retiferus, Shu- 

 mard, 1858, 

 (Lima reti f - 

 era,) Trans. 

 St.Louis Acad. 

 Sci., vol. 1, p. 

 214, and Geo. 

 Sur. 111., vol. 

 5, p. 588, Coal 

 Meas. 



winchelli, Meek, 

 1875, (Aviculopecten winchelli,) Ohio 

 Pal., vol. 2, p. 296, Waverly Gr. 

 Ctenodonta, Salter, 1851, syn. for Tellino- 



mya. 



abrupta, see Tellinomya abrupta. 

 angela, see Tellinomya angela. 

 astartiformis, see Tellinomya astartiformis. 

 contracta, see Tellinomya contracts. 

 gibberula, see Tellinomya gibberula. 

 hartsvillensis, see Tellinomya hartsvillensis. 

 hubbardi, syn. for Nuculites sulcatinus. 

 iphigenia, see Tellinomya iphigenia. 

 logani, see Tellinomya logani. 

 Cucullssa, Lamarck, 1801, Syst. An. [Ety. 

 Cucullus, a hood.] Not a Palaeozoic 

 genus. 



opima, Hall, 1843, syn. for Nucula lirata. 

 CUNEAMYA, Hall & Whitfield, 1875, Ohio 

 Pal., vol. 2, p. 90. [Ety. cuneus, a wedge ; 

 Mya, a genus.] Shell large, equivalve, 

 inequilateral ventricose; beaks prom- 

 inent, incurved ; cardinal line straight, 

 ligament external ; lunule and escutch- 



