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Morphology Ecology and taphonomy   Age range and collections

Cosmacanthus

Arthrodira

Taxonomy
Cosmacanthus was named by Agassiz (1845) [Sepkoski's age data: D Fras , D Fame Sepkoski's reference number: 521]. It is not extant.

It was assigned to Arthrodira by Sepkoski (2002).

Synonymy list
YearName and author
1845Cosmacanthus Agassiz
2002Cosmacanthus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
RankNameAuthor
subphylumVertebrata
Gnathostomata()
Osteichthyes()
subclassPlacodermi(M'Coy 1848)
orderArthrodiraWoodward 1891
genusCosmacanthusAgassiz 1845

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.

Diagnosis
No diagnoses are available