Multicuspidate shark teeth associated with chondrichthyan and acanthodian scales from the Emsian (Devonian) of southern Algeria

Claire Derycke; Daniel Goujet

doi:10.5252/g2011n2a1

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Claire Derycke,¹ Daniel Goujet²

¹aUniversité de Lille 1, Laboratoire Géosystèmes, UMR 8157 CNRS, Bâtiment Sciences de la Terre SN5, F
²bUMR 7207 CNRS, Muséum national d'Histoire naturelle, case postale 38, 57 rue Cuvier, F-75231 Paris

Abstract

Previously undescribed Emsian vertebrates from southern Algeria (southern Ahaggar) include a new chondrichthyan Tassiliodus lessardi n. gen., n. sp. with multicuspidate teeth and scales with a distinctive histology. This is the first Emsian chondrichthyan taxon reported from the north-western margin of Gondwana. Rare acanthodian scales are assigned to Milesacanthus cf. ancestralis Burrow, Lelièvre & Janjou, 2006, an Emsian species also known from Saudi Arabia, reinforcing the Gondwanan faunal affinity.

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Claire Derycke and Daniel Goujet "Multicuspidate shark teeth associated with chondrichthyan and acanthodian scales from the Emsian (Devonian) of southern Algeria," Geodiversitas 33(2), 209-226, (1 June 2011). https://doi.org/10.5252/g2011n2a1

Received: 22 May 2009; Accepted: 1 June 2010; Published: 1 June 2011

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Acanthodii

Algeria

Algérie

Chondrichthyes

dents

Devonian

écailles

espèce nouvelle

genre nouveau

new genus

new species

scales

south Ahaggar

sud Hoggar

teeth

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