- Germany.
Stephanoceras humphriesianum, Jur****ic,
Inferior Oolite,
Humphriesianum Zone, Clatcombe, Dorset, UK. Size of
ammonite 275mm.
Stephanoceras blagdeni...
-
intermediate between that of
Stephanoceras and Cadomites. in
coiling and
whorl section Duashnoceras is
similar to
Stephanoceras, but
differs in ornamentation...
-
tubercles only. In general,
Coeloceratids resemble the
Middle Jur****ic
Stephanoceras. Once
regarded as the
subfamily Coeloceratinae in the Eoderoceratidae...
- it to
belong to the
family Stephanoceratidae,
along with
genera like
Stephanoceras and Stemmatoceras.
Normannites has s****
reaching a
diameter of 52–55...
- zone of
Garantiana garantiana zone of
Strenoceras niortense zone of
Stephanoceras humphriesianum zone of
Sonninia propinquans zone of Witc****ia laeviuscula...
-
Stenoglaphyrites Stenopharciceras Stenopopanoceras Stenopronorites Stephanites Stephanoceras Stikinoceras Stoliczkaia Stolleites Stomohamites Stoppaniceras Streblites...
- Pina-Barracas.1
Isolated s**** An
Ammonite of the
family Stephanoceratidae Stephanoceras S. spp. Pina-Barracas.1
Isolated s**** An
Ammonite of the
family Stephanoceratidae...
- Phaulosteph**** was
named by
Buckman in 1927 and
considered a
subgenus of
Stephanoceras by Arkell, et al.(1957) in the treatise. It was
elevated to
genus in...
-
albertense – or
unidentified related form †Stemmatoceras
arcicostum †
Stephanoceras †
Stephanoceras nodosum – or
unidentified related form †Stokesosaurus – type...
- (upper
Bajocian –
lower Callovian).
Cadomites is
directly descended from
Stephanoceras, with a
similar collared and
lipped aperture rim, but has denser, finer...