Sujet
Stephanoceras Kreter
Légende
Stephanoceras Kreter (Bucland) 1927 / found in Dorset / England. Stephanoceras (meaning crown horn) is a Stephanoceratacean (ammonite) genus and type for the Stephanoceratidae / which lived during the Bajocian (Middle Jurassic) but is now extinct. Stephanoceras has a evolute shell / as characteristic of the family / with well developed ribbing and tubercles.
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP11A03_078
Licence
Droits gérés
Format disponible
50,0Mo (1009,1Ko) / 38,9cm x 32,1cm / 4600 x 3796 (300dpi)