Schleitheimia, Late TriassicKlettgau Formation, Switzerland · named 2020
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Schleitheimia

Type species Schleitheimia schutzi

Lived
227 to 206 million years ago, Late Triassic
Group
Early sauropodomorphs
Found in
Switzerland
Named by
Rauhut et al. 2020

Where its fossils were found

The evidence

Today

1 find

220 million years ago

Map: C. R. Scotese, PALEOMAP

Habitat

The Klettgau Formation records muddy lowlands in Late Triassic Switzerland. Its dinosaur fauna includes Plateosaurus and the meat eater Notatesseraeraptor.

Field notes

About Schleitheimia

What it was like

Schleitheimia was an early relative of the giant sauropods, a plant eater known from part of a hip and some other bones. It may have been one of the first in its line to walk on four legs.

Its world

It lived in the Late Triassic in what is now Switzerland. Its bones come from the Klettgau Formation, where Plateosaurus and the predator Notatesseraeraptor also lived.

How it was found

Rauhut and colleagues named it in 2020. The type species is Schleitheimia schutzi. It is named after a nearby village.

Lived alongside

Found in the same rock formations

A rock formation can hold fossils laid down millions of years apart, so not every animal here met Schleitheimia.

The evidence

The science behind Schleitheimia

Which parts of the picture come from its own bones, and which come from its relatives.

From its own fossils

  • The type specimen is part of a right hip bone with an unusual rounded shelf on its inner side and an enlarged ridge toward the back.
  • Bones found with it, probably from the same animal, include vertebrae, the lower end of a massive left upper arm bone with a flattened shaft, and pieces of a robust thigh bone with a strong crest for the tail muscles.
  • A nearly complete right upper arm bone with a stout shaft, and a flat, only slightly curved claw from the first toe, are assigned to it tentatively.

Borrowed from relatives

  • The missing head follows the skulls of Plateosaurus and other early sauropodomorphs.
  • The neck, chest, shoulders and upper arms are compared with Antetonitrus, another early relative of the sauropods.
  • Its hip and limb bones place it closer to sauropods than Plateosaurus.

Still unknown

  • The shape of its skull and teeth.
  • Its complete body proportions and walking posture.
  • Exactly where it sits among the early relatives of sauropods. The answer changes with how the analysis is weighted and which bones are counted as its own.

Discovery timeline

  1. 1992Its worldSander
  2. 2019Same rocksZahner & Brinkmann
  3. 2020Named itRauhut, Holwerda & Furrer

Key papers

The research behind what we know of Schleitheimia

Close relatives

Other members of Sauropodiformes

Sources: Wikidata