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Ptychodus mammillaris

Chondrichthyes - Hybodontiformes - Ptychodontidae

Taxonomy
Ptychodus mammillaris was named by Agassiz (1839). Its type specimen is BMNH 4402, 4394-6, a set of teeth, and it is a 3D body fossil. It is the type species of Ptychodus.

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1839Ptychodus mammillaris Agassiz p. 151
1889Ptychodus mammillaris Woodward p. 133
1902Ptychodus mammillaris Hay p. 317

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
RankNameAuthor
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
Hybodontida
orderHybodontiformes(Patterson 1966)
superfamilyHybodontoidea
familyPtychodontidae
genusPtychodus
speciesmammillaris

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