BRITISH TERTIARY BRACHIOPODA. 



The different recent and supercretaceous species of Great Britain may be thus 



arranged 



Recent 



Crania anomala. 



Argyope cistellula. 

 .bound in deep water near our 

 • / , I Terebratuhna caput-serpentis. 



shores \ 



PS W 

 O eo 



Upper division, 

 Pliocene. 



Upper or 



Newest div., 



Pliocene. 



' Fluvio-Marine Crag of Norwich, 

 composed of sand and loam, 

 with numerous remains of 

 mammalia, a few land and 

 fresh water ; and many ma- 

 rine shells. 



Terebratula cranium. 

 Rhynchonella psittacea. 



Rhynchonella psittacea. 



£ 2 \ 



Middle div., 

 Pliocene. 



Red Crag, composed of sands, 

 gravel, and loam, stained 

 by oxide of iron, abounding \ Terebratula grandis. 

 in shells, often much rolled 

 and waterworn. 



Lower div. 

 Pliocene. 



o 



Pi 

 « 

 Hi 



Coralline Crag, made up of 

 calcareous sand, flaggy beds 

 I of limestone, and small lay- 

 ers of greenish marl, abound- 

 ing in mollusca, corals, Zoo- 

 phytes, &c. 



Orbicula lamellosa ? 

 Lingula Dumontieri. 

 /Argiope cistellula. 

 Terebratulina caput-serpentis. 

 Terebratula grandis. 



Middle division, 

 Miocene. 



Lower division, 

 Eocene. 



. Wanting 



Upper div., 1 „ r 

 „ Wanting 



Eocene. J 



Middle div., 

 Eocene. 



'Fresh water and fluvio-marine 

 beds of Headon Hill, Barton 

 clay, limestone, clays and 

 sands (noBrachiopoda), Bag- 

 shot and Bracklesham beds 

 of clay, gi*ey and green sands, 

 and sandy beds. 



} Ter. bisinuata I 



Lower div 

 Eocene. 



{London clay and Bognor beds, 1 _. . , . 

 * . \Lingula tenuis. 



clays and limestones, plastic ( m , ... , . . , 

 r lerebratuhna striatula. 



clay, &c. J 



CHALK. 



