TETI.’A BRANCH I ATA. 
Moll. 57 
tion of the shell, and tentative classification of the genera ; Remelii! 
(362). 
j- Lituites harjcni , decheni, heron , applanatus , danchelmanni , n. spp., N. Ger- 
many, Remele (362). 
f Nautilus neocomiensis = N. denlong champ sianus ; Foord & Crick, 
Geol. Mag. 1891, p. 22. 
f Ophidioceras rota , n. sp., Upper Silurian of Gothland, LindstrOm, Sv. 
Ale. Handl. xxiii, No. 12, 1890. 
f Orthoceras viaageni , gradatum , cehlerti , zona, turn , burgense , fticvlum , 
lepton , elegantulum , /tuZZz, adrianense , paternoi , subtriangulare , pillce, Fusu- 
lina Limest., Prov. of Palermo, Gemmellaro, Giorn. Sci. Palerm. xx, 
pp. 41-50, figs. ; fO. ( Thoracoceras ) tyrrellii , Devonian of Manitoba, 
Whiteaves, Tr. R. Soc. Canada, viii, Sect. 4, p. 100, fig. : n. spp. 
f 0. vaginatus , Schloth., not identical with Endoceras vaginatus , Eichw., 
which last is a synonym for zaddachi , Schroder, Foord, Geol. Mag., 
1891, p. 355. 
f Orthoceraliten vaginatus , Schloth , Dames, JB. Mineral. 1891, i, p. 210. 
f P ahvonautilus hospes , n. sp., N. Germany, Remel^s (362). 
'J f Planctoceras, n. subg. of Entonioceras y type P. falcatum , Schloth. ; 
Sciiroeder, Pal. Abh. (2) i, p. 41. 
f Pleuronautilus toulai , n. sp., Fusulina Limest. j Prov. of Palermo, 
Gemmellaro, Giorn. Sci. Palerm. xx, p. 38, fig. 
fP. nodoso-carinatus , Romer, redescribed and figured ; Armstrong’s 
Nautilus nodiferus is a. synonym ; Foord, Geol. Mrtg. 1891, p. 481, fig. 
f Tetragonoceras, n. g., with T. gracile ) n. sp., Devonian of Manitoba; 
Wiiiteaves, Tr. R. Soc. Canada, viii, Sect. 4, p. 105, fig. 
f Trematodiscus jugatonodosus, Lr. Keuper of Thuringen, Zimmermann, 
JB. k. preuss. geol. Landesanst. 1889 (1892), p. 322, 1 pi. ; f T. pleuro- 
nautiloides , Fusulina Limest., Prov. of Palermo, Gemmellaro, Giorn. 
Sci. Palerm. xx, p. 37, fig. : n. spp. 
f Trocholitidce, n. fam. proposed for the genera Trocholites , Eurystomites 
n. g., Biscoceras , Estonioceras ; Schroeder, Pal. Abh. (2) i, p. 5. 
+ Trocholites orbis, macromphalus , soraviensis, contractus, damedi, n. spp.; 
T. remelei , n. n. for T. incongruus , Angel. -Linstr., Silurian of German ; 
Schroeder, Pal. Abh. (2) i, pp. 12-20. figs. . 
Ascoceratidac. 
In this family LindstrOm, Sv. Ak. Handl. xxiii, No. 12, 1890, in- 
cludes the genera Ascoceras, Glossoceras , Billingsites , and Choanoceras , 
h. g. 
\ Ascoceras shell, with its richly ornamented surface was external. 
\ Ascoceras cochleatum , doliiim , fistula , pupa, reticulatum , manubrium t 
ampulla , collar e, lagena , cucumis, decipiens , sipho, gradatum , n. spp., Upper 
Silurian of Gotland, Lindstrom, Sv. Ak. Handl. xxiii, No. 12, 1890. 
Choanoceras , n. g , with C. mutabile , n. sp , Upper Silurian of Gotland ; 
Lindstrom, Sv. Ak. Handl. xxiii, No. 12, 1890. 
