91 Gervillela. p^ L ](> 



Grignageb. Zeitsohr. D. (I. (J XLVl. 1806. p.727. — l'h i | i „ • 

 Kontia. Trias, Leth. mes. 1/1, 1903, Taf. V. fig. 2. — Freoh 

 Xeue Zweischalor etc. aus (1. Bakonyor Trias, Pal Bal HmV 

 p 15, Textfig. II (= tJ. Albertii C r o d n.). — Walthe 

 Zwolf Taf. d. verhr. Foss. d. Buntsandst. eto. 1006 p. 24 Taf n- 1 

 fig. 10. — Frech, Leitfoss. d. Werfener SchichtenW i> Y 

 Bal. 1907, p. 13, Taf. I. fig. 8 (var. Albertii C r e d n. f-if i 

 fig. 1, 3 (var. polyodonta C r.), p. 12, Taf. 1. fig. 2 (var! w-W 

 triadica). — v. W i 1 1 e n b u r g , Werfonor Schichten v. Smv" 

 bergen, Bull. Acad. sci. St. Petersbourg, 1912, p. 917, ((;. pol/'" 

 donta). — ■Assmann, Brach. u. Laiu. d. obersohles Tr[° 

 Jahrb. PrcuB. Geol. L. A. f. 1016, XXXVI/1, Heft 8 ',, ftft? 

 Taf.X.XH. fig. 12— 14. '' '■ 



Deutschland, Roeth, Muschelkalk — Spanien, Musohel- 

 kalk, — Siidalpon, Bakony, Skythisch, Anisisoh. — . Boedo 

 (Astrachan), Skythisch. — > Spitzborgen, Skythisoh. 

 G. mytiloides (S c h 1 1 h.) var. bogdoana F r o c h , Nachtr. zu Ceph 

 u. Zweisohalern d. Bakonyer Trias, Pal. Bal. 190o, p. 5 r | e l' 

 fig. (5 [Typ. G. modiolaeformis Auerbach, Gora Bocdn 

 1871, p. 44, Taf. I. fig. 8 (non 0)]. 



Bogdo (Astrachan), Skythiaoh 



G. sp. ind. aff. naytiloides (S c h 1 1 h.) T 1 1 e r , Peleoypodenfauna 



v. Werchojanssk, in E. v. M o j s i s o v i c s , Arktischc Trias- 



faunen, Mem. Acad. sci. St. Petersbourg, s6r. 7, T. XXXIV 



No. 6, 1886, p. 135, Taf. XX. fig. 1. 



Nordsibirien, Norisrh. 

 G. Napengeusis H e a 1 e y , Fauna of tho Napeng beds, Pal. I u d n ew 

 ser. II/4, 1908, p. 23, Pl. III. fig. 22—25. 



Burma, Rhaetisoh. 

 G. Nordenskioldi B 6 h m , Obertriad. Fauna d. Bareninsel, SVerwb 

 Vet. Akad. Handl. XXXVII/3, Stockholm, 1903, p. 35, Taf m 

 fig. 8. 



Bareninsel, Karnisoh. 

 G. Ogilviae Bittner, Lam. v. St. Cassian, Abhandl. G. R A 

 XVIII/1, 1895, p. 88, Taf. Vlll. fig. 29. 



Siidalpon, Karnisoh. 

 G. obliqua v. A 1 b e r t i , tlberbl. iib. d. Trias, 1804, p. 89, Taf. I 

 fig. 5. 



Deutschland, Lettenkohle, Unterkeuper. 

 G. ornata Moore, Rhaetio beds etc. Quart. Journ. Geol. Soc 

 London, XVII. 1801, p. 500, Pl. XV. fig. 8. — v. Ditt raar] 

 Contortazone, 1864, p. 163 [= G. Faberi W i 11 k 1 e r , Schichten 

 d. Av. contorta, 1859, p. 10]. 



Bngland, Nbrdalpen, Rhaetisch. 

 G. pallinm Stoppani, Stud. geol. e pal. 3. Lombardia, 1857, 

 p. 273, 394. — Parona, Studio monogr. fauna Raibl. Lom- 

 bardia, 1889, p. 98, Tav. VII. fig. 3 [Avicula sp. iiui. Merian, 

 in Escher, Bam. iib. d. nordl. Voiarlberg, 1853, Taf. 1\'. 

 fig. 32 inolua.]. Siidalpen, Kamisoh. 



G. pannonica Bittner, Lara. aus d. Trias d. Bakonverwaldes 

 Pal. Biil. 1901, p. 90, Taf. IX. fig. 18—24. — F r b. , Leltfoss! 

 d. Werfener Schichten etc, ibidem, 1907, p. 11, Textfig. 11 

 (G. Murchisoui var. pannonica). 



Bakony, Skythisch. 

 G. Paronai Broili, Fauna d. Paohycardientuffe etc. Palaeonto- 

 graph. L. 1904, p. 190, Taf. XXII. fig. 20. — W a a g e n , Lam. 

 d. Pachycardientuffe d. Seiseralm, Abhandl. G. R. A. XVTII/2, 

 1907, p. 98, Taf. XXXIV. fig.. 10. 



Sudalpen, Karnisoh. 



G. planata Broili (1904) vide Fdentula planata. 



G. polyodonta Credner (1851), G i e b e 1 (1856) vide G. mytiloidea 



var. polyodonta, Lepsius, Das westl. Siidtirol, 1878, Taf. I. 



fig. 6 = ? G. Meneghinii T o m m a s i , teste B i t t n e r , Verst. 



d. Siid-Ussurigeb. Mem. Com. geol. St. Petersbourg, VTI/4, 



1899, p. 17. 



