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Morphology Ecology and taphonomy   Age range and collections

Ptyctodontida

Ptyctodontida

Synonyms
Synonymy list
YearName and author
1932Ptyctodontida Gross
1975Ptyctodontida Denison p. 23
1978Ptyctodontida Denison
1999Ptyctodontida Dineley and Metcalf p. 11
2002Ptyctodontida Sepkoski, Jr.
2010Ptyctodontida Young p. 527
2011Ptyctodontiformes Long p. 242

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
RankNameAuthor
subphylumVertebrata
Gnathostomata()
Osteichthyes()
subclassPlacodermi(M'Coy 1848)
orderPtyctodontidaGross 1932
orderPtyctodontidaGross 1932

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