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

Sigmala sigmala

Reptilia - Sphenodontidae

Taxonomy
Sigmala sigmala was named by Fraser (1986). Its type specimen is AUP 11083, a maxilla, and it is a 3D body fossil. Its type locality is Cromhall Quarry general, which is in a Carnian fissure fill limestone/mudstone in the United Kingdom. It is the type species of Sigmala.

Synonymy list
YearName and author
1986Sigmala sigmala Fraser p. 166

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

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
RankNameAuthor
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Lepidosauromorpha(Benton 1983)
superorderLepidosauria()
familySphenodontidaeCope 1871
genusSigmala
speciessigmala

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.

Sigmala sigmala Fraser 1986
show all | hide all
Diagnosis
No diagnoses are available