74 



Tri§^OMO§ema, Paetel. Terebratulidce. 1875. 



Fam. u. Gatt. Moll. p. 212 ; lapsus, = Trigonosemus, Kon. 

 TrigOMOseBBftiis, Konig. Terebratulidce. 1 8S5. 



Icones Foss. Sectil. p. 3, pi. vi, f. 73. (Cret.) Type T. elegans, Kon. 

 1. c. tide Dav. 1856, p. 126, pi. vii, f. 6, 7, 8. Mon. Cret. Brach. p. 29, pi. 

 iv, f. 1-4. Syn. Fissurirostra, D'Orb. 



Xrig^oiaosMiias, Paetel. Terebraiulidw. 1875, 



Fam. u. Gatt. Moll. p. 212 ; lapsus, = Trigonosemus. 



TrBg'OBioreBMQas, Gray. Terebratulidce. 1 848. 



Aun. Mag. Nat. Hist, ii, p. 438; lapsus, = Trigonosemus. 



Trig"«raBBia, Rafiuesque. Brachiopoda. 1831. 



Mon. Biv. Shells Ohio, p. 7. No ex. cited. Genus incert. 



TB'Bg"OBi©tetra, Davidson. Spiriferidce. 1856. 



Intr. expl. pi. viii, f. 21. Spirifera disjuneta, Sow. Id. Keferstein, 

 1829. Zeit. Geogn. p. 85 ; lapsus, = Trigonotreia, Kiin. 



Irls^imtreia, Konig. Spiriferidce. 1 §25. 



Icones Foss. Sectiles, no. 70, p. 3. (Gen. cont. Spirifer s,\). et Orthis sp. 

 «fcc. fide Bronn.) Adt. King. Perm. Foss. pp. 81, 126, 18,50. T. stokesii, 

 Kon. 1. c. selected as type; ==(?) Ter. aperturatus, Schlotb. Petref. i, p. 

 258, ii, p. 67, pi. 17, f. 1 (fide Bronn). {=^ Spirifer, Sow.) 



Tl'igOBiotB'eta, Meek and Hayden. Spiriferidce. 18S4. 



Pal. Upper Missouri (Garb.), p. 19. Mr. Meek, having adopted S. cuspi- 

 datus as the type of Spirifer, revives Trigonotreia, Kiinig, to contain 

 Spirifer striatus, Sow. (commonly regarded as the type,) and its conge- 

 ners. (= Spirifer, Dav.) 



TB'iiBaecella, "Dalman", Paetel. Trimerellidw. 1875. 



Fam. u. Gatt. Moll. p. 212; lapsus, = Trimerella, Bill. 



TB'iBBaerella, Billings. Trimerellldce. 1862. 



Pal. Foss. Canada (June), p. 166, vol. i, f. 151, a-&. Type T. gravdis. 

 Bill. 1. c. (Sil.) Dav. & King, Quart. Journ. Geol. Soc. May, 1874, p. 

 124, pi. xiii, f. 2,3. 



TB'BDBBen'cfllitia;, Davidson and King. Lyopomata. 1874. 



Qnart. Journ. Geol. Soc. London (May), p. 142. Fam. Brach. cont. 

 Trimerella, Monomerella, Dinoholus, 



Ti*iple§ia, Hall. RhynchonelUda\ 1859. 



12th Reg. Rep. p. 44 (Oct.), f. 1-3. Type T. extans. Hall, 1. c. = Atnjpa 

 extans, Emmons, Geol. Rep. 3d Distr. N. Y. 1843. (Scr. Triplasia.) Not 

 Triplasia, Reuss, 1854, g. foramin. (Syn. Dicraniscus, Meek. ) 



TB'OiJBclolepSaiJsi, Hall. ArtHiropomata. 1857. 



lOth Regent's Rep. p. 151, f. 1-2. 12th do. p. 31, f. 1-4, 1859. Type 

 Strophomena carinata, Conrad, Ann. Rep. Geol. N. York, 1839, p. 64 ; Hall, 

 1. c. In notice Pal. N. York, vol. iv, p. 23, f. 1-2, Mar. 1867, this genus is 

 pointed out as close to Leptocoelia, and probably belonging to the fam. 

 Terebraiulidw. (Dev.) (Comp. iepfocoeZta, Hall, 1859.) 



