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

Helochelydra

Reptilia -

Synonymy list
YearName and author
1928Helochelydra Nopcsa p. 165
1928Helochelydra Nopesa
1999Helochelydra de Lapparent and Murelaga
2004Helochelydra Milner pp. 1456-1457
2011Helochelydra Milner p. 297
2012Helochelydra Pérez-García et al.
2017Helochelydra Joyce

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

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
RankNameAuthor
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
Testudinata(Oppel 1811)
Mesochelydia
Perichelydia
Helochelydridae()
genusHelochelydraNopesa 1928

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
ReferenceDiagnosis
A. R. Milner 2004(after de Lapparent de Broin and Murelaga 1999). Solemydid with shell decorated completely with separate raised tubercles, thin pustules about 1 mm in diameter forming vermiculate ridges towards the medial parts of the pleurals, entoplastral scute possibly oval/rounded and situated towards the anterior of the entoplastron.