Procolophoninae Temporal range: Early- Middle Triassic, 249.7–237  Ma PreꞒ Ꞓ O S D C P T J K Pg N
Procolophon pricei from the Olenekian of South Africa
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	† Parareptilia
Order:	† Procolophonomorpha
Family:	† Procolophonidae
Subfamily:	† Procolophoninae Lydekker, 1890
Subgroups
† Anomoiodon † Burtensia † Eumetabolodon † Insulophon? † Lestanshoria? † Orenburgia † Kapes † Procolina † Procolophon † Samaria? † Teratophon † Timanophon † Thelephon † Thelerpeton

Procolophoninae is an extinct subfamily of procolophonid parareptiles from the late Early Triassic to the early Middle Triassic ( Olenekian and Anisian stages) of Africa, Antarctica, Asia, Europe and South America. Currently, the oldest-known procolophonine is Procolophon from the earliest Olenekian stage. ^[1]

Phylogeny

Procolophoninae was named in 1890 by Richard Lydekker. It is a stem-based taxon defined phylogenetically for the first time by Modesto et al. (2002) as "all taxa more related to Procolophon trigoniceps Owen, 1876 than to Leptopleuron lacertinum Owen, 1851". ^[2] The cladogram below follows Ruta et al. 2011. ^[1]

Below are two cladograms that follow phylogenetic analyses by Butler et al. (2023): ^[3]

References

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