Breitelen, Hallau layers d & e (Triassic of Switzerland)

Also known as Unter-Hallau, Hallau-Bratelen

Where: Schaffhausen, Switzerland (47.7° N, 8.5° E: paleocoordinates 35.2° N, 10.7° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Gruhalde Member (Klettgau Formation), Rhaetian (208.5 - 201.3 Ma)

• from layers d & e (mixed collection), possibly reworked from layer c (Knollemergel), occasionally termed the "Zanclodonmergel". Layers d and e are the Bratelen bonebeds and form the topmost beds of the Gruhalde Member of the Klettgau Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; poorly lithified marl and lithified marl

• "Layers d and e consist of 0.25 m of compact "Zanclodonmergel" breccia with bone bed (d) and 1.00 m of loose marl bonebed (e, with same vertebrate fossils as d)."

Size classes: macrofossils, mesofossils

Collected by B. F. Schalch in 1915

Collection methods: bulk, core, mechanical, sieve,

Primary reference: B. Peyer. 1944. Über Wirbeltierfunde aus dem Rhät von Hallau (Kt. Schaffhausen) [On the vertebrate finds from the Rhaetian of Hallau (Canton Schaffhausen)]. Eclogae Geologicae Helveticae 36(2):260-263 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 47803: authorized by Matthew Carrano, entered by Matthew Carrano on 02.03.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hybodontiformes - Hybodontidae
Hybodus sp.2 Agassiz 1837 elasmobranch
 Semionotiformes - Semionotidae
Sargodon tomicus Plieninger 1847
 Dipnoi - Ceratodontidae
Ceratodus parvus Agassiz 1838 lungfish
Reptilia indet.2 Laurenti 1768 reptile
 Saurischia - Plateosauridae
Plateosaurus sp.3 Meyer 1837 plateosaurid
 Theropoda -
 Pterosauria -
 Pterosauria - Campylognathoididae
cf. Eudimorphodon sp.2 Zambelli 1973 pterosaur
 Phytosauria -
Termatosaurus albertii2 Meyer and Plieninger 1844 archosaur
 Sauropterygia - Nothosauridae
Nothosauridae indet.2 Baur 1889 diapsid
Crinoidea indet.2 Miller 1821 Sea lily