Chondrichthyes - Echinorhiniformes
Parent taxon: Squalomorphi according to R. van der Laan 2019
See also Kent 2018, Long 2011, Nelson et al. 2016 and Underwood 2006
Sister taxa: Hexanchida, Hexanchiformes, Pristiophoriformes, Protospinaciformes, Squaliformes, Squatiniformes
Subtaxa: Echinorhinidae Orthechinorhinidae Pseudoechinorhinidae
Ecology: nektonic carnivore
Distribution:
• Pliocene of Italy (1 collection), United States (1: North Carolina)
• Miocene of Argentina (5), United States (2: California, North Carolina)
• Oligocene of Czechia (1), United States (2: California, Oregon)
• Eocene to Oligocene of United States (1: Oregon)
• Eocene of Barbados (1), France (11), Ukraine (2), United States (1: Virginia)
• Paleocene of New Zealand (3)
• Cretaceous of Angola (1), Argentina (1), Australia (3), Canada (2: British Columbia), Chile (2), France (2), Israel (1), Japan (5), the United Kingdom (2)
Total: 50 collections including 53 occurrences