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Löwenstein Formation
Stratigraphic range: Mid Norian ( Alaunian) 215.6–212  Ma
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Type Geological formation
Unit of Keuper
Underlies Trossingen Formation
Overlies Mainhardt Formation
ThicknessAt least 80 m
Lithology
Primary Sandstone
Other Marl
Location
Region Europe
Country  Germany
  Switzerland
Extent Bavaria, Baden-Württemberg

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]

Fauna

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

Archosaurs of the Stubensandstein
Genus Species Location Stratigraphic position Material Notes Images
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. ^ a b "17.2 Baden-Württemberg, Germany; 1. Lower Stubensandstein," in Weishampel, et al. (2004). Page 524.
  3. ^ a b c d e f g h i j k l m n o "17.2 Baden-Württemberg, Germany; 2. Middle Stubensandstein," in Weishampel, et al. (2004). Page 524.
  4. ^ a b "Table 3.1," in Weishampel, et al. (2004). Page 50.
  5. ^ a b "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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