The Trossingen Formation, formerly the Knollenmergel, is a geological formation in Germany and Switzerland. It dates back to the late Norian-Rhaetian.[1]
Trossingen Formation | |
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Stratigraphic range: Norian-Rhaetian ~ | |
Type | Geological formation |
Unit of | Keuper |
Sub-units | Feuerletten, Grenzmergel & Knollenmergel Members |
Underlies | Exter Formation |
Overlies | Löwenstein Formation |
Thickness | Franconia: 55–60 m (180–197 ft) Southern Württemberg: 10 m (33 ft) |
Lithology | |
Primary | Marl, claystone |
Other | Mudstone, sandstone, conglomerate |
Location | |
Coordinates | 48°48′N 9°12′E / 48.8°N 9.2°E |
Approximate paleocoordinates | 31°54′N 10°24′E / 31.9°N 10.4°E |
Region | Central Europe |
Country | Germany Switzerland |
Extent | Southern half of Germany |
Type section | |
Named for | Trossingen |
Named by | Beutler |
Year defined | 2005 |
Trossingen Formation (Germany) |
Dinosaurs of the Trossingen Formation | ||||||
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genus | Species | Location | Material | Notes | Images | |
Plateosaurus[2] | P. erlenbergiensis | "Partial skull and skeleton."[3] | Nomen dubium | |||
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
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Notes Uncertain or tentative taxa are in small text; |