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Polyrhizodus concavus

Chondrichthyes - Petalodontiformes - Petalodontidae

Taxonomy
Dactylodus concavus was named by Trautschold (1874). It is a 3D body fossil.

It was recombined as Polyrhizodus concavus by Woodward (1889) and Hay (1902).

Synonymy list
YearName and author
1874Dactylodus concavus Trautschold
1889Polyrhizodus concavus Woodward p. 59
1902Polyrhizodus concavus Hay p. 282

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
orderPetalodontiformes()
familyPetalodontidaeNewberry and Worthen 1866
genusPolyrhizodusM'Coy 1848
speciesconcavus(Trautschold 1874)

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