74 



TBrigonoseiBia, Paetel. Terebratulidm. 1875. 



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

 TrigOBioseBMiis, Konig. TerehratuUdce. 1 §@5. 



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

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

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



Trflg©MO§MMB§, Paetel. TerehratuUdce. 1875. 



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



Trlg®ia®a'eBiB&?s, Gray. TerehratuUdce. 1848. 



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



TrigonuMStj Rafinesque. Brachiopoda. 18Sfi. 



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



Ta'i§"OBi®tetra, Davidson. Spiriferidce. 185®. 



Inir. expl. pi. viii, f. 21. Spirifera disjuncta, Sow. Id. Keferstein, 

 1829. Zeit. Geogn. p. 85 ; lapsus, =^ Trigonotreia, Koa. 



Trsgofiaof reta, Konig. Spiriferido}. 1 8®5, 



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

 &c. fide Bronn.) Adt. King. Perm. Foss. pp. 81, 126, 18.50. T. stokesii, 

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

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



TrigOBiotireta, Meek and Hayden. Spm/eridce. 18©4. 



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

 datus as the type of Spirifer, revives Trigonotreta, Konig, to contain 

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

 ners. (= Spirifer, Dav.) 



TriBiaecelfla, "Dalmaa", Paetel. TrimerelUdw. 1875. 



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



TriaBBerelSa, Billings. TrimerelUdw. 1§6^. 



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

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

 124, pL xiii, f. 2, 3. 



Tfl'MEMea'eMicSae, Davidson and King. I/yopomata. 1874. 



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

 Trimerella, Monomerella, Dinoholus. 



&l€§fla5 Hall. BliynehonelUdm. 185©. 



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

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

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



ropidoSeptaBs, Hall. ArPJiropomata. 1857. 



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

 Stropliomena 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. 

 Terebraiulidce, (Dev.) (Comp. icpfocoeZta, Hall, 1859.) 



