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Taxonomy
Acanthocrania was named by Williams (1943). Its type is Crania spiculata.
It was assigned to Craniacea by Brunton and Champion (1974); to Craniidae by Wright (1963), Mitchell (1977) and Williams et al. (2000); and to Acrotretida by Sepkoski (2002).
It was assigned to Craniacea by Brunton and Champion (1974); to Craniidae by Wright (1963), Mitchell (1977) and Williams et al. (2000); and to Acrotretida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1943 | Acanthocrania Williams |
| 1963 | Acanthocrania Wright |
| 1974 | Acanthocrania Brunton and Champion p. 815 |
| 1977 | Acanthocrania Mitchell |
| 2000 | Acanthocrania Williams et al. p. 171 |
| 2002 | Acanthocrania Sepkoski |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Acanthocrania Williams 1943
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†Acanthocrania alta Cooper and Grant 1974
†Acanthocrania conferta Cooper and Grant 1974
†Acanthocrania cracentis Wright 1963
†Acanthocrania densispina Cooper and Grant 1974
†Acanthocrania elusa Cocks 2014
†Acanthocrania intermedia Cooper and Grant 1974
†Acanthocrania magna Cooper and Grant 1974
†Acanthocrania minutispinosa Cooper and Grant 1974
†Acanthocrania nordtimanica Kalashnikov 1993
†Acanthocrania platys Cooper and Grant 1974
†Acanthocrania regularis Cooper and Grant 1974
†Acanthocrania setigera Hall 1866
†Acanthocrania spiculata Rowley 1908
†Acanthocrania vasta Cooper and Grant 1974
Diagnosis
No diagnoses are available