Uralopronorites
Encyclopedia
Uralopronorites is a very involute and smooth, medium sized, prolecanitid
with a distinct furrow along the venter and closed umbilicus. The adult suture has 22 lobes in all, 18 of which, nine on either side, are umbilical.
Uralopronorites comes from the Upper Carboniferous (Pennsylvanian equivalent) of Kazakhstan. It is an ammonite.
Prolecanitida
The Prolecanitida are extinct ammonoid cephalopods with discoidal to thinly lenticular shells with goniatitic or ceratitic sutures and which retained the simple retrochoanitic siphuncle with backward extending septal necks. As typical for ammonoids the siphuncle is along the ventral margin...
with a distinct furrow along the venter and closed umbilicus. The adult suture has 22 lobes in all, 18 of which, nine on either side, are umbilical.
Uralopronorites comes from the Upper Carboniferous (Pennsylvanian equivalent) of Kazakhstan. It is an ammonite.
References
- Uralopronorites GONIAT-online 8/21/10
- Paleobiology Database -Uralopronorites 8/21/10