Kosmoceras phaeinum

Scale bar = 5cm

Description

Upper Jurassic, Oxford Clay
Christian Malford
Wiltshire
England
M2128
Description:

This specimen is a macroconch (large form) of this species of ammonite. The differences between microconch (see M2116) and macroconch of this species are probably due to sexual dimorphism (differences in shape and size between male and female).
Moore, C.
Cosmoceras sp

Classification

Mollusca
Visceroconcha
Cephalopoda
Ammonoidea
Ammonoidea order
Ammonoidea family
Kosmoceras
phaeinum