CEPHALOPODA Ammonites Sowerbii 
(Miller, Mss.) J. Sowerby, 1821. 
1821. — SowerBy (James). The Mineral Conchology of Great Britain, 
Vol p-23 1ab CEXIIT 
Original figures. 
Types specimens (holotypes). 
[Collection of Bristol Museum]. 
Ammonites Sowerbii (Miller, Mss.) J. Sowerby, 1821. 
T.! — Ammonites Sowerbii, side view, nat. size. 
TH — The same, apertural view. 
T.? — The same, impression of the side. 
PALAEONTOLOGIA UNIVERSALIS. 
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