ammonites
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Ophilyroceras tersum Ruzhentsev and Bogoslovskaya 1971 (ammonite)

Cephalopoda - Ammonoidea - Rhymmoceratidae

PaleoDB taxon number: 316082

Full reference: V. E. Ruzhentsev and M. F. Bogoslovskaya. 1971. Namurskiy etap v evolyutsii ammonoidey. Rannenamyurskie ammonoidei. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 133:1-382

Belongs to Ophilyroceras according to D. Korn and M. N. Sudar 2016

Sister taxa: none

Type specimen: PIN 455/33404, a shell. Its type locality is Dombar Hills, sample 8, which is in a Pendleian carbonate limestone in Kazakhstan.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 6.00, shell diameter 17.6