Pancheloniidae

Pancheloniids Temporal range: Late Cretaceous-Holocene,
Ctenochelys stenoporus skeletons
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Clade:	Panchelonioidea
Clade:	Pancheloniidae
Subgroups
See text.

Pancheloniidae is a clade of sea turtles It is defined as all turtles more closely related to cheloniid sea turtles than to dermochelyid ("leatherback") sea turtles.

Genera

The following genera are placed here:

• †Argillochelys
• †Catapleura
• †Ctenochelyidae
• †Erquelinnesia
• †Glyptochelone
• †Itilochelys
• †Lytoloma
• †Osteopygis
• †Pampaemys
• †Peritresius
• †Porthochelys
• †Prionochelys
• †Procolpochelys
• †Retechelys
• †Thinochelys

Historic taxon placement

The following list of non-cheloniid pancheloniid species was published by Hirayama and Tong in 2003

• †Allopleuron hoffmani, later assigned to Cheloniidae
• †Catapleura arcansaw
• †Catapleura repanda
• †Ctenochelys stenoporus
• †Erquelinnesia gosseleti
• †Glyptochelone suyckerbuykii
• †Lytoloma cantabrigiens
• †Osteopygis emarginatus
• †Pampaemys meridionalis
• †Peritresius ornatus
• †Porthochelys laticeps
• †Prionochelys nauta
• †Retechelys platyops
• †Tasbacka aldabergeni, later assigned to Cheloniidae
• †Thinochelys lapisossea
• †Toxochelys latiremis, later assigned to clade Durocryptodira.

Cladogram

Below is a cladogram showing the phylogenetic relationships of living and extinct sea turtles in the clade Pancheloniidae based on Lynch and Parham (2003) and Parham and Pyenson (2010).

Lytoloma fossil

Pancheloniidae	†Toxochelys †Mexichelys †Lophochleyinae †Euclastes †Argillochelys †Eochelone †Erquelinnesla †Pacifichelys †Puppigerus Cheloniidae