Palaeohatteriidae

Palaeohatteriidae^[1] is an extinct family of basal sphenacodonts known from the Early Permian period (Asselian-Sakmarian stages) of Saxony, Germany.^[2] Two genera are known: Palaeohatteria^[3] and Pantelosaurus.^[4]

Palaeohatteriidae Temporal range: Early Permian, Asselian–Sakmarian PreꞒ Ꞓ O S D C P T J K Pg N
Palaeohatteria longicaudata
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Synapsida
Clade:	Sphenacomorpha
Clade:	Sphenacodontia
Clade:	Pantherapsida
Family:	†Palaeohatteriidae Baur, 1889
Type species
†Palaeohatteria longicaudata Credner, 1888
Genera
†Palaeohatteria Credner, 1888 †Pantelosaurus von Huene, 1925

Classification

The cladogram below shows the phylogenetic positions of Palaeohatteria and Pantelosaurus phylogenetic position among other sphenacodonts following Fröbisch et al. (2011).^[5]

	Edaphosauridae Sphenacodontia Haptodus garnettensis Palaeohatteria longicaudata Pantelosaurus saxonicus Ianthodon schultzei Cutleria wilmarthi Sphenacodontoidea Therapsida Sphenacodontidae Secodontosaurus obtusidens Cryptovenator hirschbergeri Sphenacodon Ctenospondylus Dimetrodon

Spindler (2016) utilized use of the name Palaeohatteriidae for the clade comprising Palaeohatteria and Pantelosaurus but not Ianthodon.^[2]