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Psammodus expansus

Chondrichthyes - Psammodontiformes - Psammodontidae

Taxonomy
Astrabodus expansus was named by Davis (1884). It is a 3D body fossil.

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

Synonymy list
YearName and author
1884Astrabodus expansus Davis
1889Psammodus expansus Woodward p. 105

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
superorderHolocephalomorphaLund 1986
orderPsammodontiformesObruchev 1953
familyPsammodontidae
genusPsammodus
speciesexpansus(Davis 1884)

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.

Psammodus expansus Davis 1884
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Diagnosis
No diagnoses are available