Genus: Cheliderpeton FRITSCH, 1887
= Chelydosaurus FRITSCH, 1885
= Chelidosaurus FRITSCH, 1877
= Lepiderpeton FRITSCH, 1879

Species: vranyi FRITSCH, 1887
= Chelydosaurus vranyi FRITSCH, 1885

Holotype: NMP-M528

Locality: Olivetin (Oelbeg) near Broumov (Braunau), in the Intrasudetic Basin, Bohemia, Czech Republic.

Horizon: Ruprechtice Limestone, Broumov Formation.


Age: Autunian, Rotliegendes Epoch, Early Permian.

Material: Posterior region of a postcranial skeleton showing ventral scale floor, sacral and caudal vertebrae, pelvic girdle and left hind limb.

Lectotype: NMP M531 (CGH Orig. 350), specimen 5 (in counterpart)

Material: Fragmentary skull, shoulder girdle, ribs and scales.


Species: latirostris (JORDAN, 1849) BOY, 1993
= Actinodon latirostris (JORDAN, 1849)
= Archegosaurus latirostris JORDAN, 1849
= Sclerocephalus latirostris (JORDAN, 1849) FRITSCH, 1883

Referred material:


Locality: Saar-Nahe Basin, Saarland adn Rheinland-Pfalz, Southwestern Germany.



Age: Autunian, Sakmarian stage, upper lower to lower middle Rotliegendes Epoch, Early Permian.


MB.Am. 1271, 1275: Compelete skeleton with scales.

MB.Am.1293: Skull and anterior part of the trunk with scales.

MB.Am.1312: skull and anterior part of the trunk with scales.

ROM 5735: Skull with anterior half of the trunk with scales.


Species: lellbachae KRÄTSCHMER, 2006
Etymology: In honor of Lotte Lellbach from Odernheim, a large fossil collector and discoverer of the, “Odernheimer Kalkbank”.

Holotype: NHMM-PW2006/14

Locality: Odernheim, Rheinland-Pflaz State, Germany.

Horizon: Klauswald-Fossilhorizon, Middle Odernheim Formation.


Age: Rotliegendes Epoch, Early Permian.

Material: Skull and skeleton, with scales.

Referred material:

SMNK-TAL 4638: Nearly complete specimen.

SKO-023: Postcranial skeleton.

SKO-053: Skull.