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Trigonotodus
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Order Lamniformes BERG, 1958
Family Alopiidae BONAPARTE, 1838
Genus Trigonotodus KOZLOV, 1999

Trigonotodus tusbairicus KOZLOV, 1999: Eocene (Bartonian), Kert, North Mangyshlak, W. Kazakhstan

17.5 mm H

Trigonotodus aktulagaicus KOZLOV, 1999: Eocene (Ypressian), Tolagaysor Formation (Guriev Region), Akutulagai, N.W. Kazakhstan

11 mm H


Ref. 1) Elasmobranchii and Palaeogene Biostratigraphy of Trans Urals and Central Asia, Materials on Stratigraphy and Paleontology of the Urals vol. 3, 1999: Russian Academy of Sciences Urals Branch
Victor I. ZHELEZKO, Vladimir A. KOZLOV
Ref. 2) Materials on stratigraphy and paleontology of the Urals vol. 4, 2000: Russian Academy of Sciences Urals Branch

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20110929 Fumio Nakagawa

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