-
ammonoids (orders Agoniatitida, Clymeniida, Goniatitida, and Prolecanitida).
Ceratitic –
lobes have
subdivided tips,
giving them a saw-toothed appearance. The...
- subglobular, in others,
trochoidal or uncoiled.
Sutures are
typically ceratitic, with
smooth saddles and
serrate or
digitized lobes. In a few the sutures...
-
goniatitid ammonoides have
goniatitic sutures. In some the
sutures are
ceratitic, in others, even ammonitic. Nor are
goniatitic sutures limited to the...
- Trachyceratidae, has more or less involute,
highly ornamented s**** and
ceratitic to
ammonitic sutures.
Notes Sepkoski, Jack (2002). "Sepkoski's Online...
- Trachyceratidae, has more or less involute,
highly ornamented s**** and
ceratitic to
ammonitic sutures.
Notes Sepkoski, Jack (2002). "Sepkoski's Online...
- Trachyceratidae, has more or less involute,
highly ornamented s**** and
ceratitic to
ammonitic sutures.
Paleobiology Database - Austrotrachyceras. 29 May...
-
essentially smooth evolute s**** with a
subquadrade whorl section and a
ceratitic suture with two
lateral lobes (on
either side).
Apleuroceras belongs to...
-
Austrotrachyceras belongs,
Trachyceratidae involute,
highly ornamented s**** and
ceratitic to
ammonitic sutures. Sepkoski, Jack (2002). "Sepkoski's
Online Genus...
- Trachyceratidae, has more or less involute,
highly ornamented s**** and
ceratitic to
ammonitic sutures. Sepkoski, Jack (2002). "Sepkoski's
Online Genus...
- has a
basically evolutute,
discoidal s**** with an
arched venter and
ceratitic sutures. The
Treatise 1957
includes it in the M****oceratidae although...
