Athena Review Image Archive ™
Concinella concina (bivalve)
Concinella concina (after Khimchenko et al 2012, fig.1.)
Concinella concinna are non-marine or riverine bivalves or pelecypods dating from the Late Permian at about 260-255 mya. They were discovered in 1966 in the Pechora River near the village of Ust-Soplyas (A,B) and in the Kuznetsk basin (C), in the Timan-Pechora Province of Western Russia. They belong to the class Bivalvia, the subclass Autobranchia , the infra-class Pteriomorphia, and the superfamily Prokopievskioidea.
The thickness of the shells
averages 0.12 mm, with outstanding preservation in some cases. Comparison of
microstructures of aragonite and areas re-crystallized from different
Concinella shells have enabled determination of the degree of local preservation
of primary structures.
References:
Khimchenko, L.V., M.N. Urazaeva, and V.V. Silantiev. 2012. The microstructure of aragonite shells of the non-marine pelecypod genus Concinella pogorevitsch in Betekhtina. Kazan Fed. Univ.
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