psiloceras caloceras johnstoni

678

Psiloceras (Caloceras) johnstoni

NHMUK PI OR 67976, Psiloceras (Caloceras) johnstoni. THis specimen shows compressed preservation of the original aragonitic shell. Found in Watchet, Somerset is it Hettangian in age, this is the very earliest lower Lias (Early Jurassic) it is from the Planorbis ammonite zone. This specimen is from the Etheridge collection.

NHMUK PI OR 67976, Psiloceras (Caloceras) johnstoni. THis specimen shows compressed preservation of the original aragonitic shell. Found in Watchet, Somerset is it Hettangian in age, this is the very earliest lower Lias (Early Jurassic) it is from the Planorbis ammonite zone. This specimen is from the Etheridge collection.

24f9cd2aa74fee3daaf43abb5ee57fe3c885be53

30-03-2016