tenuissima Terebratula, F. \V. Hoeninghaus, Jahrb. f. 
Iin. 1830, 469 [Jl. n.]. 

 tenuissimus Terebratulites, E. F. Schlotheim, Tasch. :Min. 1813, II3. 

 tenuissimus Trichocephalus, K. A. Rudolphi, Archiv Zool. (\\''iedemann) III (2) 180 3, 4. 

 tenuissimus ünio, I. Lea, Syn. Naiades, 1836, 3B.-Symphynota, 1829. 

 tenuistria A vicula, G. v. )luenster, BeÏtr. zur Petref. (4) IB.p, 76. 

 tenuistria Cardiomorpha (
I'Coy), A. d'Orbigny, Prodr. Paléont. I. I8
9 [Jan. 1 8 5 0 ], 

 133.-Venus t-ata. 

 tenui-stria Crassatella, P. H. Xyst, 
Iém. cour. Ac. Roy. Belg. XVII. I8
5 (1844), 86. 

 tenúistria CucuUaea, F. )I'Coy in Griffith, Xot. foss. )!tn. Lst. Ireland, 1842, 13 [no 1".]; 

 Syn. Carbo Lst. foss. Ireland, I8
4, 72. 

 tenuistria Cyprina, Lamarck, H. X. Anim. s. Vert. V. 1818, 558 (sign. 36). 

 tenui-stria Erycina, G. P. Deshayes, Descr. Coq. foss. Paris, 1. 182...., 42. 

 tenuistria Goniospongia (Goldf.), A. d'Orbigny, Prodr. Paléont. 1. 1849 [Jan. 18 50], 

 3 8 9.- Sc yphia. 

 Lucina, E. Hébert, Bull. Soc. géol. France (sér. 2) VI. 1849, 467. 

 Lutraria, )Iuenster in G. A. Goldfuss, Petref. German. II (7) 1 8 4 0 , 257. 

 
litra, F. Dujardin, ::\Iém. Soc. géol. France, II (2) 183-, 301. 

 Ostrea, Deshayes, Diet. Class. H. K. '
III. 1825, 389. 

 Pangonia, F. \Valker, List Dipt. CoIl. B. ::\1. (I) I8
8, 143. 

 Panopaea, A. Bm,ignier in Sauvage & B., Stat. min. géo1. Ardennes, 18 4 2 , 531. 

 Panopaea pluenst.), A. d'Orbigny, Prodr. Paléont. 1. 1849 (Jan. IB5 0 ], 273.- 

 Lutraria. 

 tenuistria Pinna, )Iuenster in G. A. Goldfuss, Petref German. II (6) 1837, 165. 

 tenuistria Pleuromya (:\Iuenst.), J. L. R. Agassiz, Etudes crit. :\1011. foss. (4) 18 45, 234.- 

 Lutraria. 

 tenuistria Pteroceras pIuenst.), A. d'Orbigny, Prodr. Paléont. I. 1849 [Jan. 1850], 

 250.-Rostellaria. 

 Rostellaria, )Iuenster in G. A. Goldfuss, Petref. German. III (B) 1B44, 16. 

 Rostellaria, A. E. Reuss, Geogn. Skizz. Boehmen, II. 1844, 202. 

 Scyphia, G. 
-\. Goldfuss, Petref. German. I (I) 1826, 9. 

 Tellina, G. P. Deshayes, Descr. Coq. foss. Paris, 1. IB24, 80. 

 Terebratulina (Leym.), A. d'Orbigny, Pal. Franç., Crét. IV (Brach.) 1849, 

 58.-Terebratula t-ata. 

 tenuistria Trochocyathus (Desh.), A. d'Orbigny, Prodr. Paleont. II [Nov.] 1850, 403.- 

 Turbinolia. 

 tenuistria Turbinolia, G. P. Deshayes in Ladoucette, Stat. H.-
-\lpes, 1834, 565. 

 tenuistria Turritella, J. Phillips, Geo1. Yorksh. II. 1836, 229. 

 tenuistria Venus, )Iuenster in G. A. Goldfuss, Petref. German. II (7) 1840, 2
6. 

 tenuistriatus Actinocrinus, J. Phillips, Figs. descr. Pal. foss. Cornwall, 1841, 31. 

 tenuistriatus Aganides (V. & A.), A. d'Orbigny, Prodr. PaléoI1t. 1. 18....9 [Jan. 1 8 50], 

 61.-Goniatites. 

 Ammonites, J. E. Gray, Ill. Indian Zoo1. I (3) July 1830, pI. 100. 

 Amphidesma, J. De C. Sowerby, Tr. Geo1. Soc. London [2] IV. 1 8 36, 341. 

 Anobium, T. Say, J. Acad. 
at. Sci. Philad. V. Dec. 1825, 173. 

 Anomia, G. P. Deshayes, Descr. Coq. foss. Paris, 1. 18 32, 377. 

 Area, 
Iuenster in G. _\. Goldfuss, Petref. German. II (6) 1837, 142. 

 Astraea, F. l\I'Coy, Ann. 
Iag. X. H. (2) II. Dec. 184B, 400. [623. 

 Atrypa, J. D. C. Sowerby in R. 1. 
Iurchison, Silurian System, Jan. 1839, 

 Avicula, :\Iuenster in G. A. Goldfuss, Petref. German. II (5) 1836, 127. 

 _-\ vicula, Braun in G. V. ::\Iuenster, Beitr. zur Petref. (5) IB42, u8. 

 Balanophyllia, Edwards & Haime, Ann. Sci. Xat. [3] (Zoo!.) X. Aug. 18
8, 

 112. 

 Bracon, A. Brullé in Lepeletier (Roret's Suite à Buffon), Hyménopt. IV. 

 Bulimus, X. T. Wetherell, London Geol. Jouro. (I) 18....6, 20. [18+6, 361. 

 Cardium, 
Iuenster in G. A. Goldfuss, Petref. German. II (6) IS37, 217. 

 Cardium, H. E. Anton, Verz. Conch. 1839, II. 

 Cerithiuffi, :\Ielle,-ille, Ann. Sci. Géo1. II (2) Feb. 1843, 103. 

 Chiton, G. B. Sowerby, II., 
[ag. Xat. Hist., n. s. IV. June 1840, 291. 



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