TIIK JURASSIC SYSTKM 



411 



Brachiopoda. Rhyiiehonella (Acanthothyris) sjiinosa, Terebratula 

 tmiliria, T. maxillata, T. j>:r<>vulis, T. Philli]>.sii, 

 Waldheimia (Anlacothyris) carinata. 



Lamellibranchia. Astarte elegans, A. excavata, Geromya bajociana, 

 Gresslya abducta, Gryphsea sublobata, Pholadomya 

 fidicula, Trigonia costata, T. denticulata, T. hemi- 

 spherica. 



Gastropoda. Cirrus nodosus, Nerinuea cingenda, Pleurotomaria 



ornata, Pseudomelania procera, Bourguetia striata. 



?Fig. 133. ROUP OF INFERIOR OOLITE FOSSILS. 



a. Parkinsonia Parkinson!. d. Trigonia costata. 



/>. Stepheoceras Ilumphriesiantini. e. Pholadomya fldicula. 



<: Nautilus sinuatus. /. Rhynchonella spiimsa. 



(7. Terebratula perovalis. 



Cephalopoda. (For Ammonites see ante, p. 410) also Stepheoceras 

 Humphriesianum, Sonninia Sowerbyi, Nautilus 



truncatus, N. sinuatus. 





Fossils of the Great Oolite and Forest Marble 



Actinozoa. Anabacia complanata, Isastrea explauatuia, Apio- 



crinus Parkinsoni. 

 Echinoderma. Acrosalenia hemicidaroides (ranges to Cornbrash), 



Hemicidaris minor, Clypeus Ploti, Collyrites ringens. 



