62 



SchMsidtDa, Volborth. Oholidce. 1869. 



Verb. K. Miu. Ges. St. Petersburg, iv, 1868, p. 208, t. 17, f. 1-6. Sole 

 ex. S. celafa, Volb. 1. c. (Sil.) p. 209. Quenst. Petref. Deutscbl. 1871, p. 

 671. ? Syn. Dicellomus, Hall. Not Schmidtia of Bals.-Criv. gen. Poriferce, 

 1863. 



SecaaitsB'acBaides, D'Orbigny. Brachiopoda. 1 849. 



Coins Elem. Pal. p. 80. Sect. Brnchidce cent. Sjpirifcridce, Magasidw, 

 Tercbralnlida', OrhicuUdce, Cranidce. 



SeuMilBina, King. ArtJiropomata. 1 846. 



Ann. Mag. Nat. Hist, sviii, pp. 33, 36 ; lapsus, = Seminula, M'Coy. 



^eBMlaaaala, M'Coy. Arthropomata. 1844. 



Carb. Foss. Ireland, p. 158; p. 150, f. 31. 1st sp. Terebraiula jieniaMra, 

 Phillips, Geol. Yorkshire, p. 221, t. 12, f. 3, 1836, — Athyms amhigua, Sow. 

 fide Davidson ; 2d sp. T. seminula, Phil. 1. c. p. 222, t. 12, f. 21-23; 3d sp. 

 T. rhomboidea, Phil. 1. c. p. 222, 1. 12, f. 18-20. (Nos. 2 and 3 are probably 

 R'njnchonellce.) M'Coy's first or typical species being a true Athyris, the 

 uame Seminula should take precedence of Spirigera, D'Orb, i£ Athyris be 

 dropped. 



SeiiiaMUla, M'Coy. Terehratulidw. 185o. 



Pal. Foss. Cambridge Mus. p. 408. (Not seen by me. Stated to have 

 been proposed this time for the group of Terebratulw already character- 

 ized by King as Epithyris and afterward as Dielasma.) Not Seminula, 

 M'Coy, 1844. (= Epithyris, King, not Phil.) 



Sessiles, Latreille. Brachiopoda. 1835. 



Fam. Nat. Eegne An. p. — . Ord. cont. fam. Fixivalves, Latr. 



8essiiaa, Berth. Brachiopoda. 1827. 



Germ. ed. Latreille, Fam. Nat. p. 196. Ord. cont. fam. Fix'.valvia. 

 (= Sessiles, Latr.) 



Se^siSia, Fleming. Lyopomata. 1898. 



Brit. An. pp. 225,367. Fam. Brach. cont. Discina, Criopiis. 



I^Bftizoll'eta, Davidson. Biscinidw. 1856. 



lutr. p. 232 in syn. lapsus; ^:*^ ScMzotreta, Kutorga. 



!§ipEBoaaotreBna, Dana. Lyopomata. 1849. 



GiH)l. U. S. Expl. Exp. p. 615 ; lapsus, :t= Slphonotreta, Vern. 



Si|>la©Baotreta, Verueuil. Siphonotretida;. 1845. 



iliirch. Vern. u. Keyserl. Geol. Rus. Ural, ii, p. 286. Type Crania ungui- 

 culatn, Eichwald, Dav. 1856, p. 239, pi. xiv, f. 9-18. Kutorga, Verb. K. 

 Miu. Ges. St. Petersburg, f. 1847, p. 261. Same type (Sil.) p. 264, t. vi, f. 

 4-{i, 1848. 



Siphoaaotretaeae, Kutorga. * Lyopomata. 1848. 



Verb. K. Min. Ges. St. Petersburg f. 1847, p. 250. Fam. Brach. cont. 



S'lphoiiolrctii, Schizotreta, Acrotreta, Aulonotreta, Mcsotreta. 



Saphosaotreteae, Morris. Lyopomata. 1849. 



Ann. Mag. Nat. Hist, iv, p. 315. = SiphonotretcecB, Kut. 



