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Psammodus trapeziformis

Chondrichthyes - Psammodontiformes - Psammodontidae

Taxonomy
Homalodus trapeziformis was named by Davis (1883). Its type specimen is BMNH P.2599, a tooth, and it is a 3D body fossil.

It was recombined as Psammodus trapeziformis by Woodward (1889).

Synonymy list
YearName and author
1883Homalodus trapeziformis Davis p. 105
1889Psammodus trapeziformis Woodward p. 105

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
superorderHolocephalomorphaLund 1986
orderPsammodontiformesObruchev 1953
familyPsammodontidae
genusPsammodus
speciestrapeziformis(Davis 1883)

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