Riasanites is an Upper Jurassic ammonite belonging to the ammonitid.[1]

Riasanites
Temporal range: Tithonian–Berriasian[1]
Scientific classification
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Distribution

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Poland, USSR and Yemen [2]

References

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Notes
  1. ^ a b Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2017-10-16.
  2. ^ Paleobiology Database - Riasanites. 2017-10-16.