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Leptostyrax
ver. 1.1

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Order Lamniformes BERG, 1958
Family Eoptolamnidae KRIWET et al., 2008
Genus Leptostyrax WILLISTON, 1900/ Megarhizodon SOKOLOV, 1978

Leptostyrax macrorhiza/ Lamna macrorhiza COPE, 1875:
a1,a2; Albian-Cenomanian, Pawpaw Formation, Tarrant County, Texas, b; Lower Santonian, Tyk-Butak, E. Mangyshlak Peninsula, W. Kazakstan

20111012

Megarhizodon
ver. 1.0



Family Eoptolamnidae KRIWET et al., 2008
Genus Megarhizodon SOKOLOV, 1978/ Leptostyrax WILLISTON, 1900

Megarhizodon macrorhiza KUROCHKIN et al., 2006: Albian , Stariy Oskol, Belgorod region

20120520

Protolamna
ver. 1.2



Family Eoptolamnidae KRIWET et al., 2008
Genus Protolamna CAPPETTA, 1980

Protolamna arcuata (MÜLLER et DIEDRICH, 1991): Lower Santonian, Tyk-Butak, E. Mangyshlak Peninsula, W. Kazakstan


Protolamna nugaitensis: Upper Cenomanian, Nugaity, W. Kazakhstan


Protolamna sokolovi CAPPETTA, 1980: Albian-Cenomanian, Pawpaw Formation, Tarrant County, Texas


Protolamna cappettai (ZHELEZKO, 1990): Albian-Cenomanian, Kolbay, W. Kazakhstan

20120302

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