Chondrichthyes - Hexanchiformes - Hexanchidae
Alternative spelling: Notidanus (Notorhynchus)
Parent taxon: Hexanchidae according to R. A. Otero et al. 2013
See also Cappetta 1975, Cvancara and Hoganson 1993, Jordan 1963, Kent 2018, Long et al. 1993, Popov et al. 2025, Rana et al. 2006, Reinecke and Radwanski 2015, Sepkoski 2002, Underwood 2004, Underwood and Mitchell 1999 and Weiler 1938
Sister taxa: Eonotidanus, Gladioserratus, Hexanchus, Monopterhinus, Notidanion, Notidanodon, Notidanus, Notorynchus, Protoheptranchias, Weltonia, Xampylodon
Subtaxa: Notorhynchus lerichei Notorhynchus primigenius
Ecology: nektonic carnivore
Distribution:
• Quaternary of United States (2: California, South Carolina collections)
• Pliocene of the Netherlands (1), Peru (1), Portugal (1)
• Hemphillian of United States (1: California)
• Miocene to Pliocene of Mexico (1)
• Miocene of Australia (2), Austria (2), Belgium (4), Denmark (1), France (16), Germany (2), Hungary (1), Italy (1), the Netherlands (3), New Zealand (1), Poland (2), Portugal (3), Slovakia (2), United States (11: California, Maryland, New Jersey, South Carolina, Virginia)
• Oligocene of Australia (2), Belgium (3), France (1), Germany (4), Hungary (1), the Netherlands (1), Ukraine (1), United States (1: North Carolina)
• Eocene of Argentina (1), India (1), Italy (1), New Zealand (2), the Russian Federation (4), Ukraine (3), the United Kingdom (7), United States (3: Oregon, South Carolina), Uzbekistan (1)
• Paleocene of Sweden (2), United States (1: New Jersey)
• Cretaceous of Japan (2)
Total: 100 collections including 101 occurrences
Specimen images are retrieved through the ePANDDA API.
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