NUC.] 



LAMELLIBRANCHIA TA. 



495 



FIG. 865. Nucula 

 cobboldise. 



closed all round, without external liga- 

 mentary facets; beak directed back- 

 ward ; cartilage internal, placed in a 

 pit under the beak ; teeth numerous, 

 very long.' Type N. nucleus. 



anodontoides, Meek, 1871, Reg. Rep. Uni- 

 versity W. Va., Coal Meas. 



arata, see Nuculana arata. 



bellatula, Hall, 1843, syn. for N. belli- 

 striata. 



bellistriata, Conrad, 1841, (Nuculites 

 bellistriatus,) Ann. Rep. N. Y., p. 40, 

 and Geo. Rep. 4th Dist. N. Y., p. 197, 

 Ham. Gr. 



beyrichia, Schlotheim, as identified by 

 Geinitz. See Nucula parva. 



corbuliformis, Hall, 1870, Prelim. Notice 

 Lam. Shells, p. 2, and Pal. N. Y., vol. 5, 

 pi. 46, figs. 24-37, Ham. and Che- 

 mung Grs. 



cylindricus, syn. for 

 Cardiomprpha mis- 

 souriensis. 



diffidens, Hall, 1885, 

 Pal. N. Y., vol. 5, p. 

 322, .Chemung Gr. 

 donaciformis, see Tellin- 



omya donaciformis. 

 globularis, Hall, 1885, 

 Pal. N. Y., vol. 5, p. 

 322, Chemung Gr. 



fabula, see Clidophorus fabula. 



hians, Hall, 1860, 13th Rep. N. Y. Mus. 

 Nat. Hist., p. 110, Kinderhook Gr. 



houghtoni, see Tellinomya houghtoni. 



hubbardi, Winchell, 1862, Proc. Acad. 

 Nat. Sci., p. 417, Marshall Gr. Syn. for 

 Nuculites sulcatinus. 



illinoisensis, Worthen, 1884, Bull. No. 2, 

 HI. St. Mus. Nat. Hist., p. 15, and Geo. 

 Sur. 111., vol. 8, p. 128, St. Louis Gr. 



insularis, Walcott, 1885, Monogr. U. S. 

 Geo. Sur., vol. 8, p. 241, Carbonifer- 

 ous. 



iowensis, White & Whitfield, 1862, Proc. 

 Acad. Nat. Sci., vol. 8, p. 298. Syn. for 

 Tellinomya houghtoni. 



kazanensis, as identified by Geinitz is Nu- 

 culana bellistriata. 



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

 pi. 51, figs. 18-20, Ham. Gr. 



levata, see Tellinomya levata. 



levatiformis, Walcott, 1885, Monogr. U. S. 

 Geo. Sur., vol. 8, p. 241, Carbonifer- 

 ous. 



lineata, see Tellinomya lineata. 



lineolata, Hall, 1843, Geo. Rep. 4th Dist. 

 N. Y., p. 246, Portage Gr. 



lirata, Conrad, 1842, (Nuculites liratus,) 

 Jour. Acad. Nat. Sci., vol. 8, p. 250, and 

 Pal. N. Y., vol. 5, pi. 45, figs. 17-27, 

 Ham. Gr. 



machseriformis, see Tellinomya machseri- 

 formis. 



mactriformis, see Tellinomya mactriformis. 



mercerensis, syn. for Cardiomorpha mis- 

 souriensis. 



microdonta, Winchell, 1863, Proc. Acad. 

 Nat. Sci., p. 16, Marshall Gr. 



minima, Foerste, 1885, Bull. Sci. Lab. 



Denison Univ., p. 93. Not properly 



defined. 

 minuta, Owen, 1840, Rep. on Min. Lands, 



Devonian. The name was preoccupied 



by De France in 1825. 

 nasuta, see Nuculana nasuta. 

 neda, Hall & Whitfield, 1872, 24th Rep. 



N. Y. Mus. Nat. Hist., p. 191, Up. 



Held. Gr. 

 niotica, Hall & Whitfield, 1872, 24th 



Rep. N. Y. Mus. Nat. Hist., p. 190, 



Ham. Gr. 



obliqua, see Palseoconcha obliqua. 

 oblonga, Hall, syn. for Nuculites oblon- 



gatus. 

 obsoleta, McChesney, 1860, Pal. Foss., p. 89, 



Coal Meas. Not recognized, 

 parva, McChesney, 1860, New Pal. Foss., 



p. 54, and Geo. Sur. 111., vol. 5, p. 589, 



Coal Meas. 

 perumbonata, White, 1879, Bull. U. S. 



Geo. Sur., vol. 5, No. 2, p. 217, and 



Cont, to Pal., No. 6, p. 136, Carbonif- 

 erous. 



poststriata, see Lyrodesma poststriatum. 

 randalli, Hall, 1870, Prelim. Notice Lam. 



Shells, p. 3, and Pal. N. Y., vol. 5, pi. 



45, figs. 5-16, Ham. and Chemung 



Grs. 

 rectangula, McChesney, 1860, Desc. New 



Pal. Foss., p. 74, Ham. Gr. 

 rescuensis, Walcott, 1885, Monogr. U. S. 



Geo. Sur., vol. 8, p. 172, Devonian, 

 sectoralis, Winchell, 1862, Proc. Acad. 



Nat. Sci., p. 418, Marshall Gr. 

 shumardana, Hall, 1858, Trans. Alb. List., 



vol. 4, p. 16, and Bull. Am. Mus. Nat. 



Hist., p. 57, Warsaw Gr. 

 Stella, see Tellinomya Stella, 

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



pi. 45, fig. 28, Ham. Gr. 

 umbonata, Hall, 



1883, Pal. N. Y., 



vol. 5, pi. 47, figs. 



51 and 52, Che- 



^v,w *, Hall, 1870, 



Prelim. Notice 



Lam. Shells, p. 2, and Pal. N. Y., vol. 5, 



pi. 46, figs. 12-23, Ham. Gr. 



ventricosa, Hall, 1858, Geo. Sur. Iowa, p. 



716, Coal Meas. 



NUCULANA, Link, 1807, Rost. Samml., vol. 3, 

 p. 155. [Ety. like a shell of the genus 

 Nucula.} Equivalve, inequilateral, pro- 

 duced behind ; beaks sometimes di- 

 rected posteriorly ; lunule often present ; 

 rounded in front ; post-umbonal slope 

 defined ; surface concentrically lined ; 

 hinge with a line of small teeth inter- 

 rupted by a triangular cartilage pit be- 

 neath the beak ; muscular impressions 

 two, small ; pallial line, simple, or 

 slightly sinuous. Type N. emargin- 

 ata. 



arata, Hall, 1852, (Nucula arata,) Stansb. 

 Exped. to Gt. Salt Lake, p. 413, Coal 

 Meas. 



