Löwenstein Formation

The Löwenstein Formation (Stubensandstein in Baden-Württemberg, Burgsandstein in Bavaria) is a lithostratigraphic formation of the Keuper in Germany. It is underlain by the Mainhardt Formation and overlain by the Trossingen Formation. It dates back to the middle Norian.[1]

Löwenstein Formation
Stratigraphic range: Mid Norian (Alaunian)
TypeGeological formation
Unit ofKeuper
UnderliesTrossingen Formation
OverliesMainhardt Formation
ThicknessAt least 80 m
Lithology
PrimarySandstone
OtherMarl
Location
RegionEurope
Country Germany
  Switzerland
ExtentBavaria, Baden-Württemberg

Fauna

Theropod tracks and an unnamed herrerasaur genus are known from the Lower Stubensandstein.[2]

Archosaurs of the Stubensandstein
GenusSpeciesLocationStratigraphic positionMaterialNotesImages
Aetosaurus A. feratus

A. crassicauda

 Lower
Apatosuchus A. orbitoangulatus Lower "Partial skull"
Dolichosuchus[3] Dubious D. cristatus[3] Middle[3] "Tibia"[4] Actually indeterminate coelophysoid remains[3]
Efraasia E. minor Lower
Halticosaurus[3] Dubious H. longotarsus[3] Middle[3] "Mandibular fragment, vertebrae, humerus, illium, femur, metatarsal."[4] Later found to be indeterminate coelophysoid remains[3]
Liliensternus L. liliensterni
Mystriosuchus M. ?
Nicrosaurus N. kapffiN. meyeri Middle
Paratypothorax P. andressi Middle
Plateosaurus[5] P. gracilis[5] "[Twenty one] partial skeletons, isolated elements, [three] partial skulls, juvenile to adult."[6] Yates assigned the type material of Sellosaurus gracilis to Plateosaurus gracilis [7]
Procompsognathus[3] P. triassicus[3] Middle[3] "Partial postcranial skeleton."[8]
Saltoposuchus S. connectens S. longipes
TanystrosuchusDubious T. posthomus Middle " Neck vertebra"
Teratosaurus[3] T. suevicus[3] Middle[3] Galton and Benton showed that Teratosaurus is actually a rauisuchian.[9][10]

Other Amniotes

See also

References
  1. Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Triassic, Europe)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 521–525. ISBN 0-520-24209-2.
  2. "17.2 Baden-Württemberg, Germany; 1. Lower Stubensandstein," in Weishampel, et al. (2004). Page 524.
  3. "17.2 Baden-Württemberg, Germany; 2. Middle Stubensandstein," in Weishampel, et al. (2004). Page 524.
  4. "Table 3.1," in Weishampel, et al. (2004). Page 50.
  5. "17.2 Baden-Württemberg, Germany; '1. Lower Stubensandstein' and '2. Middle Stubensandstein,'" in Weishampel, et al. (2004). Page 524.
  6. "Table 12.1," in Weishampel, et al. (2004). Page 236.
  7. Yates, A.M. (2003). "Species taxonomy of the sauropodomorph dinosaurs from the Löwenstein Formation (Norian, Late Triassic) of Germany". Palaeontology 46 (2): 317–337
  8. "Table 3.1," in Weishampel, et al. (2004). Page 48.
  9. Galton, P. M. (1985). "The poposaurid thecodontian Teratosaurus suevicus von Meyer, plus referred specimens mostly based on prosauropod dinosaurs". Stuttgarter Beiträge zur Naturkunde, B, 116: 1-29.
  10. Benton, M.J. (1986). "The late Triassic reptile Teratosaurus - a rauisuchian, not a dinosaur". Palaeontology 29: 293-301.

Bibliography
  • Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
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