Taxonomic notes on Phoebodus heslerorum and Symmorium reniforme [Chondrichthyes, Elasmobranchii]

• Autorzy: Ginter M
• Języki publikacji: EN

Abstrakty

EN

The revision of shark teeth from the Pennsylvanian black shales of central USA, ascribed to “Phoebodus heslerorum” Williams, 1985 and Symmorium reniforme Cope, 1893, shows that “Ph. heslerorum” is a junior synonym of “Cladodus” divergens Trautschold, 1879. This species belongs neither to Phoebodus nor to Cladodus, so a new genus Heslerodus is proposed. Very common, robust cladodont teeth with a deep labio−basal depression and two buttons, often referred to as S. reniforme, do not belong to the latter species, but to “Cladodus” occidentalis Leidy, 1859. The generic affinity of “C.” occidentalis is yet undetermined, but it is possible that it represents ctenacanthoids.

Słowa kluczowe

EN

Carboniferous; Symmorium reniforme; Paleozoic; tooth; Elasmobranchii; Phoebodus heslerorum; taxonomy; paleontology; Chondrichthyes

• Wydawca: -
• Czasopismo: Acta Palaeontologica Polonica
• Rocznik: 2002
• Tom: 47
• Numer: 3
• Opis fizyczny: p.547-555,fig.

Twórcy

autor

Ginter M

• Warsaw University, Zwirki i Wigury 93, 02-089 Warsaw, Poland

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