†order Menaspiformes (chimaera)
Chondrichthyes - Menaspiformes
Parent taxon: Cochliodontomorpha according to R. van der Laan 2019
See also Long 2011, Nelson 2006 and Nelson et al. 2016
Sister taxa: Chondrenchelyiformes, Cochliodontiformes, Squalorajiformes
Subtaxa: Deltoptychiidae Menaspidae Traquairiidae
Ecology: nektobenthic carnivore
Distribution:
• Permian of Germany (8 collections), United States (1: Texas)
• Carboniferous of the United Kingdom (5), United States (1: Montana)
Total: 15 collections including 18 occurrences