34 



THE 'derived' fossils. 



The subjoined table gives a list of all tlie fossils known from 

 the Neocomian Black Grit rock, with some notes on their distribu- 

 tion elsewhere. 



Fossils from the Dark Grit Blocks. 



Ammonites sp. (collection J. F. Walker) ... ... ... U. 



HamiteSj or Ancyloceras, small species with double row of 



dorsal spines ... ... ... ... ... ... H. 



Emarginula Neocomiensis^ d'Orb., of the Shanklin and Ather- 



fieldbeds P. 



*^roc/m5, small ornamented species ... ... ... ... P.H. 



Trochus^ also at Shanklin, Meyer ... ... ... ... XJ. 



Scalar ia ... ... ... ... ... ... ... H. 



Tornatella ... ... ... ... ... ... ... H. 



Ceri^Aiwm, muricated species ... ... ... ... U. 



jPec^eTi orfticw^aW^, Sby., Hilgay (Teal I) ... ... ... H. 



„ striato-punctatuSy Roemer (Wiltshire) ... ... P.H. 



*Perna MuUetti, T>esh U.H. 



* „ Bico7'deana, d'Orb. ... ... ... ... ... U. 



Nucula ... ... ... ... ... ... ... H. 



Leda ... ... ... ... ... ... ... P. 



*Cardium subhillanum, IsiYge form ... ... ... ... U.H. P. 



Also occurs in the Donnington sands (Tealby), Shanklin, 

 and Punfield (Meyer). 

 Small triangular bivalve ... ... ... ... ... XJ. H. P. 



* Thetis minor J ^hj.y oi Shanklin. ... ... ... ... U.P. 



*Cythercea Orhigniana, Forbes, of Shanklin ; and the Crackers, 



Isle of Wight H.S. 



Lucina ... ... ... ... ... ... ... U.P.H. 



^Goniomya (?) 

 Pholadomya Raulimanaj d'Orb. of the Albien, Ardennes; also 



at Nutfield (Meyer) and Tealby H. 



? Scrohicularia phaseolina, Phill. ... ... ... ... H. 



Pholadomya ... ... ... ... ... ... ... H. 



Panopcea Neocomiensis^ Leym. 



Gorhula ... ... ... ... ... ... ... H. 



^Cucullcea errans, Kpng., also at Herrimere, and (?) in the 



Tealby series at Claxby ... ... ... ... IT. 



* ,, Donningtonensis, Kpng., also in Lower Neocomian, 

 Tealby district ... ... ... ... ... ... U. 



"^Mytilus lanceolatus, Sby. ... ... ... ... ... XJ. 



Trigonia spinosa. Park. ... ... ... ... ... XJ. 



* ,, Fec<^a?^a, Lycetfc, of Shanklin and Atherfield ... XJ. 

 *[Terebratula ovoides, Sby. var. occurs in the Herrimere rock, 



and is found phosphatised at XJpware, Brickhill and 

 Potton] U.P. 



U indicates the dark grit blocks at Upware. 



P „ „ Potton. 



H ,, ,, Hunstanton. 



