Genus: Sclerosaurus MEYER, 1857
Etymology: Greek, skleros, “hard, stiff” and Greek, sauros, “lizard”: Hard lizard.
= Aristodemus SEELEY, 1896
Etymology: Greek, aristos, “best, superior” and Greek, desmos, “bond, chain, tie”: Superior link.
= Palaeosaurus FITZINGER, 1843 non AGASSIZ, 1849
Etymology:
= Sphenosaurus MEYER, 1847 non AGASSIZ, 1849
Etymology:

Species: armatus MEYER, 1857
Etymology:

Holotype: Unnumbered in the collections of the Geologisches Institut of Albert-Ludwigs-Universitatin Freiburg im Breisagu, part and counterparts.

Locality: Talus quarry, Warmbach near Rheinfelden, Baden-Wurttemberg State, Germany.

Horizon: Plattensandstein Formation, Upper Buntsandstein Subgroup.

Biostratigraphy:

Age: Aegean, Anisian Stage, Early Mid Triassic Epoch, Early Middle Triassic.

Material: Fragmentary skeleton.

FISHER,

After SUES & REISZ, 2008

After SUES & REISZ, 2008

Referred material:

= Labyrinthodon rutimeyeri WIDERSHEIM, 1878
Etymology:
= Aristodesmus rutimeyeri SEELEY, 1896

Holotype: NMB Bs.28, part and counterpart.

Locality: Quarry at Richen near Basel, Kanton Basel-Stadt, Aargu State, Switzerland.

Horizon: Rot Formation, Upper Middle Bunter Sandstone.

Biostratigraphy:

Age: Aegean, Anisian Stage, Early Mid Triassic Epoch, Early Middle Triassic.

Material: Fragmentary skeleton.


= Palaeosaurus sternbergi FITZINGER, 1843
Etymology:
= Sphenosaurus sternbergi (FITZINGER, 1843)

Holotype:

Locality: Rotliegendes, Bohmen, Czech Republic.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material: Fragmentary skeleton.

Referred material:

LYDEKKER 1890

BMNH R1459: Cast of type.