New Species of Crassatina (Bivalvia) from the Middle and Upper Eocene of Ukraine

New Species of Crassatina (Bivalvia) from the Middle and Upper Eocene of Ukraine

Representatives of the genus Crassatina from the Upper Eocene Mandrikovka Beds in the vicinity of Dnepr (former Dnepropetrovsk) are discussed and figured. From the Mandrikovka assemblage, two new species, C. conquisita and C. insolita , are described. One more new species, C. subcostata , is describ...

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Veröffentlicht in:Paleontological journal 2018-07, Vol.52 (4), p.351-364
1. Verfasser: Berezovsky, A. A.
Format: Artikel
Sprache:eng
Schlagworte:
Biodiversity conservation
Discovery and exploration
Earth and Environmental Science
Earth Sciences
Eocene
New species
Paleontology
Physical characteristics
River channels
Suburbs
Valves
Wildlife conservation
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Zusammenfassung:Representatives of the genus Crassatina from the Upper Eocene Mandrikovka Beds in the vicinity of Dnepr (former Dnepropetrovsk) are discussed and figured. From the Mandrikovka assemblage, two new species, C. conquisita and C. insolita , are described. One more new species, C. subcostata , is described from the Middle Eocene deposits of southern suburbs of Krivoi Rog. Two species, C. raricostata (Klushnikov) and C. expolita (Klushnikov), which were originally established as varieties, are redescribed and their species rank is substantiated.
ISSN:0031-0301
1555-6174
DOI:10.1134/S0031030118040044