92 



THE LIAS AMMONITES. 



Palaeontology of the Davcei-beds of North-West Germany. 



Cephalapoda. 



Aegoceras striatum, Reinecke. 



— Henleyi, Sow. 



— Davcei, Sow. 

 Lytoceras fimbriatum, Sow. 

 Phylloceras Loscombi, Sow. 

 Amaltheus margaritatus, Mont. 



Actseonina variabilis, Brauns. 

 Cryptsenia expansa, Sow. 



— helicino'ides, Rom. 

 Pleurotomaria siniilis, Sow. 



— granosa, Schloth. 



Discohelix calculiformis, Dunkr. 

 Trochus Isevis, Schloth. 



— turriformis, Koch and Dunk. 



Amaltheus Normanianus, d^Orb. 

 Nautilus intermedins, Sow. 

 Belemnites umbilicatus, Blainv. 



— compressus, Stahl. 



— clavatns, Schloth. 



— paxillosus, Schloth. 



Gasteropoda. 



Trochus limbatus, Schloth. 



— imbricatus, Sow. 



— umbilicatus, Koch and Bunk. 

 Rotella turbilina, Schloth. 



Turbo paludinseformis, Schliib. 



— Nicias, d' Orbiff. 



— marginatns, Ziet. 

 Turritella uudulata, Ziet. 



Lamellibranchiata. 



Gryphaea cymbium, Lamk. 

 Ostrea semiplicata, Munst. 

 Anemia numismalis, Quenst. 

 Plicatula spinosa, Sow. 

 Hinnites tumidus Ziet. 

 Pecten priscus, Schloth. 



— aequivalvis, Sow. 



— substriatus, Rom. 



— lunularis, Rom. 

 Lima Hermanni, Ziet. 

 Limea acuticosta, Gold/. 

 Leda complanata, Gold/. 



— Galathea, d^Orb. 



• — subovalis, Gold/. 



Nucula cordata, Gold/. 



Rhynchonella variabilis, Schloth. 



— tetraiidra. Sow. 



— rimosa, Buch. 



— furcillata, Theod. 

 Spiriferina rostrata, Schloth. 

 Waldheimia numismalis, Lamk. 



Cucullsea Mlinsteri, Ziet. 

 Macrodon Buckmani, Rich. 

 Inoceramus ventricosus. Sow. 

 Avicula insequivalvis. Sow. 



— calva, Schlub. 



— cygnipes, Young and Bird. 

 Pinna folium, Young and Bird. 

 Modiola elongata, Koch and Dunk, 

 Astarte striatosulcata, R'Om. 

 Myoconcha decorata, Munst. 

 Cardium cingulatum. Gold/. 

 Protocardia truncata. Sow. 

 Thracia Grotriani, Brauns. 

 Pholadomya decorata, Ziet, 



Brachtopoda. 



Waldheimia cornuta, Sow. 



— Waterhousei, Dav. 



— Heyseana, Dunk. 



— punctata. Sow. 



— subovoides, Rotn. 

 Terebratella subpentagona, Koch and Dunk. 



