†Portentosoceros sakhalinicus Gretchina 1975
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Alternative combination: Pentaceros sakhalinicus
Full reference: N. I. Gretchina. 1975. [A new species of the genus Pentaceros (Teleostei) from the middle Miocene of Sakhalin]. Paleontologicheskii Zhurnal 3:144-146
Belongs to Portentosoceros according to M. V. Nazarkin and A. F. Bannikov 2021
See also Danil'chenko 1980 and Gretchina 1975
Sister taxa: none
Type specimen: Its type locality is North of Agnevo River, which is in a Serravallian/Tortonian marine sandstone in the Agnevo Formation of the Russian Federation
Distribution: found only at North of Agnevo River
Specimen images are retrieved through the ePANDDA API.
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