Phoebodus cf. depressus
Ginter, Hairapetian & Klug, 2002
Classification: Elasmobranchii Phoebodontiformes Phoebodontidae
Reference of the original description
Famennian chondrichthyans from the shelves of North Gondwana. Acta Geologica Polonica, 52(2), 169–215
Famennian chondrichthyans from the shelves of North Gondwana. Acta Geologica Polonica, 52(2), 169–215
Types
Phoebodus cf. depressus
Phoebodus cf. depressus
Description:
Citation: Phoebodus cf. depressus Ginter, Hairapetian & Klug, 2002: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 09/2026
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Description
Original diagnosis after Ginter, Hairapetian & Klug, 2002 [3140]: Phoebodont sharks with extremely long, lingually extended tooth-bases. Near the crown, the lateral rims of the base run parallel to each other. A minute, circular button, occupying no more than one third of the base width, occurs in this region. Further lingually, the base becomes wider and its lingual/lateral ends turn slightly upwards to form distinct horns. The lingual/median part of the base is depressed; a secondary swelling and a lingual tip may occur in the axial part of the depression. The upper main basal canal opening is located at the labial end of the depression, close to the button, or slightly more lingually. The basal opening is situated in the lingual part of an elongated basal concavity. The concavity is rimmed labially by a short and thin, arcuate labio-basal projection.
Original diagnosis after Ginter, Hairapetian & Klug, 2002 [3140]: Phoebodont sharks with extremely long, lingually extended tooth-bases. Near the crown, the lateral rims of the base run parallel to each other. A minute, circular button, occupying no more than one third of the base width, occurs in this region. Further lingually, the base becomes wider and its lingual/lateral ends turn slightly upwards to form distinct horns. The lingual/median part of the base is depressed; a secondary swelling and a lingual tip may occur in the axial part of the depression. The upper main basal canal opening is located at the labial end of the depression, close to the button, or slightly more lingually. The basal opening is situated in the lingual part of an elongated basal concavity. The concavity is rimmed labially by a short and thin, arcuate labio-basal projection.
References
Famennian chondrichthyan remains from the Chahriseh section, central Iran. Acta Geologica Polonica, 59(2), 173–200
Famennian chondrichthyan remains from the Chahriseh section, central Iran. Acta Geologica Polonica, 59(2), 173–200
