Chondrichthyes - Synechodontiformes - Orthacodontidae

PaleoDB taxon number: 34532

Alternative spelling: Lamna (Sphenodus)

Synonym: Orthacodus Woodward 1889 [objective synonym] (taxon 253347)

Full reference: L. Agassiz. 1843. Recherches Sur Les Poissons Fossiles. Tome III (livr. 15-16). Imprimérie de Petitpierre, Neuchatel 157-390

Parent taxon: Orthacodontidae according to S. Stumpf and J. Kriwet 2019

Sister taxa: none

Subtaxa: Lamna (Sphenodus) longidens, Lamna (Sphenodus) plana, Orthacodus helveticus, Sphenodus alpinus, Sphenodus helveticus, Sphenodus longidens, Sphenodus rectidens

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Ecology: nektonic carnivore