Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: Chondrichthyes
Subclassis: Elasmobranchii
Infraclassis: Euselachii
Division/Cohort: Neoselachii
Subdivision/Subcohort: Selachii
Superordo: Galeomorphii
Ordo: Lamniformes
Familia: Odontaspididae
Subfamilia: †Johnlonginae
Genus:
†Johnlongia –
†Pseudomegachasma
Name
†Johnlonginae Shimada et al., 2015
- Type genus: †Johnlongia Siverson, 1996
References
- Shimada, K., Popov, E.V., Siversson, M., Welton, B.J. & Long, D.J. 2015. A new clade of putative plankton-feeding sharks from the Upper Cretaceous of Russia and the United States. Journal of Vertebrate Paleontology 35(5): e981335. DOI: 10.1080/02724634.2015.981335 Reference page.
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