92 



THE LIAS AMMONITES. 



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



Cephalapoda. 



Aegoceras striatum, Reinecke. 



— Henleyi, Sow. 



— Davoei, Sow. 

 Lytoceras fimbriatum, Sow. 

 Phylloceras Loscombi, Sow. 

 Amaltheus margaritatus, Mont. 



Acteeonina yariabilis, Srauns. 

 Cryptsenia expansa, Sow. 



— helicinoides, Rom. 

 Pleurotomaria similis, Sow. 



— granosa, Schloth. 



Discohelix calculiformis, Bwtikr. 

 Trochus Isevis, Schloth. 



— turriformis, Koch and Dunk. 



Amaltheus Normanianus, d'Orb. 

 Nautilus intermedins, Sow. 

 Belemnites umbilicatus, Blainv. 



— compressus, Stahl. 



— clavatus, Schloth. 



■ — paxillosns, Schloth. 



Gasteropoda. 



Trochus limbatus, Schloth. 



— imbricatus, Sow. 



— umhxMcdXVia, Koch and Bunk, 

 Kotella turbilina, Schloth. 



Turbo paludinseformis, Schliib. 



— Niaaa, d'Orbiff. 



— marginatus, Ziet. 

 Turritella undulata, Ziet. 



Lamellibranchiata. 



Gryphsea cymbium, Lamk. 

 Ostrea semiplicata, Miinst. 

 Anomia numismalis, 

 Plicatula spinosa. Sow. 

 Hinnites tumidus Ziet. 

 Pecten prisons, Schloth. 



— seqnivalvis. Sow. 



— substriatus, Rom. 



— lunularis, Rom. 

 Lima Hermanni, Ziet. 

 Limea acuticosta, Gold/. 

 Leda complanata, Gold/. 



— Galathea, d'Orb. 



• — snbovalis, Goldf. 



Nncula cordata, Goldf. 



Bbyncbonella variabilis, Schloth, 



— tetraijdra. Sow. 



— rimosa, Buck. 



— furcillata, Thiod. 

 Spiriferina rostrata, Schloth, 

 Waldheimia numismalis, Lamk, 



Cucullsea Miinsteri, 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. Bom. 

 Myoconcha decorata, Munst. 

 Cardium cingulatum, Goldf. 

 Protocardia truncata, Sow. 

 Thracia Grotriani, Brauns. 

 Pholadomya decorata, Ziet. 



Brace [OPODA. 



Waldheimia cornuta, Sow, 



— Waterbousei, Dav, 



— Heyseana, Dunk. 



— punctata, Sow. 



— subovoides, Rom. 

 Terebratella subpentagona, Koch and Bunk. 



