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Sphenacanthus riorastoensis

Chondrichthyes - Sphenacanthidae

Taxonomy
Sphenacanthus riorastoensis was named by Pauliv et al. (2012). Its type specimen is MCN.P.440, an osteoderm (fin spine), and it is a 3D body fossil. Its type locality is Jacarezinho Municipality, which is in a Capitanian lacustrine horizon in the Rio do Rasto Formation of Brazil.

Synonymy list
YearName and author
2012Sphenacanthus riorastoensis Pauliv et al. p. 244 fig. 2,3

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
familySphenacanthidaeMaisey 1982
genusSphenacanthus
speciesriorastoensis

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