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Ptyctodus

Ptyctodontida - Ptyctodontidae

Taxonomy
Ptyctodus was named by Pander (1858) [Sepkoski's age data: D Eife-l C Tour-l Sepkoski's reference number: 521]. It is not extant.

It was assigned to Ptyctodontidae by Jordan (1963); and to Ptyctodontida by Woodward (1891) and Sepkoski (2002).

Synonymy list
YearName and author
1858Ptyctodus Pander
1891Ptyctodus Woodward p. 37
1963Ptyctodus Jordan p. 605
2002Ptyctodus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
RankNameAuthor
Gnathostomata()
Osteichthyes()
subclassPlacodermi(M'Coy 1848)
orderPtyctodontidaGross 1932
familyPtyctodontidaeWoodward 1891
genusPtyctodusPander 1858

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