94 



BRACHIOPODA. 



24. Terebratella Carantonensis. 



Shell orbicular, depressed, ribbed ; ribs fine (about 58), 

 radiating, dichotomous ; ventral valve with a slight dorsal fur- 

 row ; area wide, foramen minute. Lon. 14, lat. 14, alt. 6 lines. 



Terebratella Carantonensis, D'Orb. 1847, Ter. Cret. iv. p. 122. 

 t. 518. f. 1-4. 



Fossil. U. Greensand. France. 



25. Terebratella Moreana. 



Shell transversely ovate, depressed, radiately ribbed; ribs 10, 

 wide, nearly simple, angular ; ventral valve convex, with a deep 

 centi'al furrow ; area wide, foramen small, deltidium large, double: 

 dorsal valve rather flat. Lon. 6, lat. 6, alt. 3 Unes. 



Terebratella Moreana, D'Orb. 1847, Ter. Cret. iv. p. 117. t.516. 

 f. 13-19. 



Fossil. Gault. France. 



26. Terebratella Menardi. B.M. 



Shell subcircular, trilobed, truncated or obtusely angular at 

 the beak ; valves ornamented with sharp, bifurcating plaits, about 

 6 or 7 on the mesial fold and (5-12 on each side, decussated by 

 close imbricating lines of growth ; area triangular, well defined ; 

 foramen large ; deltidium small, indented; cardinal fulcrum pro- 

 minent. Lon. 65, lat. 7, alt. 4 lines. 



Terebratula Menardi, Valenciennes, 1819, m Lam. An. sans Vert. 

 vi. p. 256. no. 50. 



Defr. Diet. Sc. Nat. liii. p. 160. 



Buck, Mem. Soc. Ge'ol. Fr. iii. pi. 17. f. 6. 



Morris, 1846, Jowrn. Geol. Soc. p. 384. f. 2. 



Dav. Ann. Nat. Hist. June 1850, pi. 14. f. 50. 

 Terebratella Menardi, D'Orb. Ter. Cret. iv. t. 517. f. 1-15. 



Dav. Mon. Cret. p. 24. pi. 3. f. 34-42. 

 Terebratula tnmcata. Sow. 1829, Min. Con. vi. p. 71. t. 537. f. 3 

 (not Lam.). ' 



Forbes, Journ. Geol. Soc. 1845, p. 346. 



Austen, Journ. Geol. Soc. vi. p. 454. 

 Terebratella Astieriana, D'Orb. 1847, Ter. Cret. iv. p. 116. pi. 516. 



f. 6-12. 

 Fossil. U. Greensand; Neocomian. England; France. 



27. Terebratella Neocomiensis. 



Shell orbicular, depressed, radiately ribbed ; ribs wide, oblique, 

 dichotomous ; valves nearly equal ; beak small, curved, laterally 



