New data on chondrichthyan microremains from the Givetian of the Renanue section in the Aragonian Pyrenees (Spain)

• Autorzy: Ginter M. , Liao J. , Valenzuela-Rios J.
• Konferencja: Evolution and Diversity of Chondrichthyans (2008 ; Warszawa)
• Języki publikacji: EN

Abstrakty

EN

The continued investigations on the Middle Devonian part (Givetian, Middle through Upper Polygnathus varcus conodont Zones) of the section near the Renanue village in the Aragonian Pyrenees, Spain, brought twelve teeth of chondrichthyan taxa typical of the so-called "Omalodus shark assemblage" (Omalodus grabaui, Phoebodus fastigatus, Ph. sophiae, and probably Antarctilamna sp., the first record of Antarctilamna from the Givetian of Europe) previously known from a few places in Laurussia and North Gondwana. This taxonomic composition resembles the most that of the North Evans Limestone from New York. The species represent three different families and orders: Omalodontidae nov. (Omalodontiformes), Phoebodontidae (Phoebodontiformes), and Antarctilamnidae nov. (Antarctilamniformes nov.). In addition to the teeth of the listed taxa, several chondrichthyan scales of the "ctenacanth" type were found.

Słowa kluczowe

EN

Chondrichthyans; Devonian; Givetian; Pyrenees; taxonomy

PL

dewon; Pireneje; taksonomia

• Wydawca: Faculty of Geology of the University of Warsaw ; Komitet Nauk Geologicznych PAN
• Czasopismo: Acta Geologica Polonica
• Rocznik: 2008
• Tom: Vol. 58, no. 2
• Strony: 165--172
• Opis fizyczny: Bibliogr. 21 poz.,fot., rys.,

Twórcy

autor

Ginter M.

autor

Liao J.

autor

Valenzuela-Rios J.

• Institute of Geology, University of Warsaw, Żwirki i Wigury 93, PL-02-089 Warszawa, Poland,

Bibliografia

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