Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Stethacanthus altonensis

Chondrichthyes - Symmoriiformes - Symmoriidae

Taxonomy
Physonemus altonensis was named by St. John and Worthen (1875). It is the type species of Stethacanthus.

It was recombined as Stethacanthus altonensis by Newberry (1889), Eastman (1903), Williams (1985) and Ivanov and Lebedev (2014).

Synonymy list
YearName and author
1875Physonemus altonensis St. John and Worthen
1883Physonemus altonensis Davis
1889Stethacanthus altonensis Newberry
1903Stethacanthus altonensis Eastman p. 213
1985Stethacanthus altonensis Williams p. 116 figs. Pl. 19, fig. 1
2014Stethacanthus altonensis Ivanov and Lebedev p. 1031 figs. Pl 9, figs 1-4

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
superorderCladodontomorphi
orderSymmoriiformes()
familySymmoriidaeDean 1909
genusStethacanthusNewberry 1889
speciesaltonensis(St. John and Worthen 1875)

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