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Psammodontiformes

Chondrichthyes - Psammodontiformes

Taxonomy
Psammodontiformes was named by Obruchev (1953). It is not extant.

It was assigned to Chondrichthyes by Sepkoski (2002); to Holocephalimorpha by Nelson (2006); and to Holocephalomorpha by Long (2011), Nelson et al. (2016).

Subtaxa
Psammodontidae

Synonymy list
YearName and author
1953Psammodontiformes Obruchev
2002Psammodontiformes Sepkoski
2006Psammodontiformes Nelson p. 44
2011Psammodontiformes Long p. 242
2016Psammodontiformes Nelson et al. p. 50

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
superclassGnathostomata
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
superorderHolocephalomorphaLund 1986
orderPsammodontiformesObruchev 1953
orderPsammodontiformesObruchev 1953

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.

Or. †Psammodontiformes Obruchev 1953
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G. †Apodometes Gistel 1848
G. †Archaeobatis Newberry 1878
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†Archaeobatis gigas Newberry 1878
G. †Astrabodus Davis 1884
G. †Dimyleus Davis 1883
G. †Homalodus Davis 1883
G. †Mazodus Newberry 1899
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†Mazodus kepleri Newberry 1889
G. †Mylacodus Davis 1883
G. †Mylax Morris and Roberts 1883
G. †Pinacodus Davis 1883
G. †Pleurogomphus Agassiz 1862
G. †Psammodus Agassiz 1834
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†Psammodus angularis Newberry and Worthen 1866
†Psammodus caelatus Saint John and Worthen 1883
†Psammodus cornutus Agassiz 1843
†Psammodus crassidens Saint John and Worthen 1883
†Psammodus expansus Davis 1884
†Psammodus glyptus Saint John and Worthen 1883
†Psammodus grandis Saint John and Worthen 1883
†Psammodus longidens Agassiz 1837
†Psammodus lovianus Saint John and Worthen 1883
†Psammodus plenus Saint John and Worthen 1883
†Psammodus porosus Agassiz 1837
†Psammodus reticulatus Newberry and Worthen 1866
†Psammodus rugosus Agassiz 1836
†Psammodus salopiensis Woodward 1889
†Psammodus springeri Saint John and Worthen 1883
†Psammodus tumidus Saint John and Worthen 1883
†Psammodus turgidus Agassiz 1838
†Psammodus turgidus Saint John and Worthen 1883
G. †Rhymodus Davis 1883
Diagnosis
No diagnoses are available