Chondrichthyes - Synechodontiformes - Orthacodontidae
Alternative spelling: Lamna (Sphenodus)
Synonym: Orthacodus Woodward 1889 [objective synonym]
Full reference: L. Agassiz. 1843. Recherches Sur Les Poissons Fossiles. Tome III (15me, 16me livraison) 157-390
Parent taxon: Orthacodontidae according to S. Stumpf and J. Kriwet 2019
See also Agassiz 1843, Duffin and Ward 1993, Grande and Chatterjee 1987, Guinot et al. 2014, Hay 1902, Itoigawa 1977, Jordan 1963, Rees 2000, Sepkoski 2002, Uyeno et al. 1981 and Woodward 1889
Sister taxon: Occitanodus
Subtaxa: Lamna (Sphenodus) longidens Lamna (Sphenodus) plana Orthacodus helveticus Sphenodus alpinus Sphenodus helveticus Sphenodus longidens Sphenodus nitidus Sphenodus rectidens
Ecology: nektonic carnivore
Distribution:
• Eocene of Canada (1: British Columbia collection)
• Paleocene of New Zealand (2), the Russian Federation (1)
• Cretaceous of Antarctica (1), Austria (1), France (3), India (1), Japan (13), the United Kingdom (3)
• Jurassic of France (2), Germany (3), Poland (5), Sweden (1), Tanzania (1)
• Triassic of France (1)
Total: 39 collections including 42 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.