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Mesohedenstroemia Temporal range: 252.3–247.2 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ceratitida
Family:	†Hedenstroemiidae
Genus:	†Mesohedenstroemia Chao, 1959
Species
M. kwangsiana Chao, 1959 M. inflata Chao, 1959 M. planata Chao 1959 M. bosphorensis (Zakharov, 1968) M. olgae Zakharov & Abnavi, 2012

Mesohedenstroemia is a genus of ammonites. It was described by Chao in 1959, who described three species; M. kwangsiana (the type species), M. inflata Chao, 1959, and M. planata, from the Triassic of what is now China. A new species, M. olgae, was described from the Olenekian of Russia by Yuri D. Zakharov and Nasrin Mousavi Abnavi in 2012, and was named in honour of Olga P. Smyshyaeva.

Distribution

China and Russia

References

1. ^ "Paleobiology Database - Mesohedenstroemia". Retrieved 17 December 2021.
2. Yuri D. Zakharov and Nasrin Mousavi Abnavi (2011). "The ammonoid recovery after the end-Permian mass extinction: evidence from the Iran-Transcaucasia area, Siberia, Primorye, and Kazakhstan". Acta Palaeontologica Polonica. In press. doi:10.4202/app.2011.0054.

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