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Trossingen Formation
Stratigraphic range: Norian-Rhaetian
~220–201 Ma
Excavation in 1912
TypeGeological formation
Unit ofKeuper
Sub-unitsFeuerletten, Grenzmergel & Knollenmergel Members
UnderliesExter Formation
OverliesLöwenstein Formation
ThicknessFranconia: 55–60 m (180–197 ft)
Southern Württemberg: 10 m (33 ft)
Lithology
PrimaryMarl, claystone
OtherMudstone, sandstone, conglomerate
Location
Coordinates48°48′N 9°12′E / 48.8°N 9.2°E / 48.8; 9.2
Approximate paleocoordinates31°54′N 10°24′E / 31.9°N 10.4°E / 31.9; 10.4
RegionCentral Europe
Country Germany
 Switzerland
ExtentSouthern half of Germany
Type section
Named forTrossingen
Named byBeutler
Year defined2005
Trossingen Formation is located in Germany
Trossingen Formation
Trossingen Formation
Trossingen Formation
Trossingen Formation
Trossingen Formation
Trossingen Formation (Germany)
Selected fauna of the Trossingen Formation

The Trossingen Formation, formerly the Knollenmergel, is a geological formation in Germany and Switzerland. It dates back to the late Norian-Rhaetian.[1]

Vertebrate paleofauna

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Dinosaurs of the Trossingen Formation
genus Species Location Material Notes Images
Plateosaurus[2] P. erlenbergiensis "Partial skull and skeleton."[3] Nomen dubium
Plateosaurus specimens from Trossingen
P. longiceps[2] Includes "cf. Palaeosaurus ?diagnosticus"[4]
P. engelhardti[1] Nomen dubium
P. trossingensis
Prosauropoda[1] Indeterminate remains[1] Includes P. plieningeri, P. quenstedti and, Gresslyosaurus robustus. "Pachysaurus" species P. ajax, P. giganteus, P. magnus, P. reiningeri, and P. wetzelianus[1] Several of these may belong to Plateosaurus engelhardti
Tuebingosaurus[6] T.maierfritzorum Known from a partial postcranial skeleton A derived sauropodiform, previously attributed to P. plieningeri.
Pterospondylus[7] P. trielbae Known from a vertebra
Gresslyosaurus[8] G. ingens "Incomplete sacrum, caudals, metacarpal, partial hindlimb."[9]
G. torgeri[8] Kanton Baselland[8] "Postcranial skeleton"[9] Indeterminate prosauropod remains.[8] A referred skull was once known but has since been lost.[9]
Halticosaurus[10] H. liliensterni[11] Thüringen[11]
H. longotarsus[4] Sachsen-Anhalt[4] Indeterminate coelophysoid remains
Liliensternus[11] L. liliensterni[11] Thüringen[11] Two partial skeletons of subadults[12] "(=Halticosaurus liliensterni)"[11]
Ruehleia[11] R. bedheimensis[11] Thüringen[11] "Nearly complete skeleton, [two] incomplete skeletons, juvenile to adult."[13]
Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

See also

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References

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  1. ^ a b c d e Weishampel et al., 2004, pp.521–525
  2. ^ a b "17.1 Niedersachsen, Germany; 1. Knollenmergel" and "17.4 Sachsen-Anhalt, Germany; 1. Knollenmergel," in Weishampel et al., 2004, p.524
  3. ^ "Table 12.1," in Weishampel et al., 2004, p.237
  4. ^ a b c d "17.4 Sachsen-Anhalt, Germany; 1. Knollenmergel," in Weishampel et al., 2004, p.524
  5. ^ "17.1 Niedersachsen, Germany; 1. Knollenmergel," in Weishampel et al., 2004, p.524
  6. ^ Regalado Fernández OR, Werneburg I (2022). "A new massopodan sauropodomorph from Trossingen Formation (Germany) hidden as 'Plateosaurus' for 100 years in the historical Tübingen collection". Vertebrate Zoology. 72: 771–822. doi:10.3897/vz.72.e86348.
  7. ^ "Table 3.1," in Weishampel et al., 2004, p.50
  8. ^ a b c d "18.1 Kanton Baselland, Switzerland; 1. Knollenmergel," in Weishampel et al., 2004, p.524
  9. ^ a b c "Table 12.1," in Weishampel et al., 2004, p.236
  10. ^ "17.4 Sachsen-Anhalt, Germany; 1. Knollenmergel" and "17.5 Thuringen, Germany; 1. Knollenmergel," in Weishampel et al., 2004, p.524
  11. ^ a b c d e f g h i "17.5 Thuringen, Germany; 1. Knollenmergel," in Weishampel et al., 2004, p.524
  12. ^ "Table 3.1," in Weishampel et al., 2004, p.48
  13. ^ "Table 12.1," in Weishampel et al., 2004, p.235

Bibliography

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Further reading

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Categories