Bed 47, Kernbohrung Wittnau, Baden-Württemberg (Jurassic of Germany)

Where: Germany (48.0° N, 7.8° E: paleocoordinates 37.1° N, 17.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Jurensismergel Formation, Late/Upper Toarcian (180.1 - 175.6 Ma)

• Bed at a depth of 93.8 m with a thickness of 0.1 m; aalensis zone; mactra subzone

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified claystone

• In the south-german basin (Süddeutsches Becken) located at the northern margin of the Thetys. About 50 km away from shore
• The beds frequently contain accumulated biodetritus, mainly Echinodermata-debris and Bivalve-shell. The marly claystone is subdivided through layers of pyrite nodules, accumulations of limeconcretions and finley distributed Bivalve-(Bositra)-shell, having a quite disturbed sedimentsuccesion.

Size classes: macrofossils, microfossils

Collection methods: core,

Primary reference: W. Ohmert, V. Allia C. Arias et al. 1996. Die Grenzziehung Unter-/Mitteljura (Toarcium/Aalenium) bei Wittnau und Fuentelsaz [Determinig the boundary between Toarcium/Aalenium near Wittnau and Fuentelsaz]. Informationen Geologisches Landesamt Baden-Württemberg 8:1-52 [W. Kiessling/T. Schossleitner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 59435: authorized by Wolfgang Kiessling, entered by Thomas Schossleitner on 03.04.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Foraminifera
 Lagenina - Robuloididae
Falsopalmula tenuistriata
  -
"Marginulina breviformis" = Cristellaria (Marginulina)
"Marginulina breviformis" = Cristellaria (Marginulina)
Nodosariata
 Robertinida - Ceratobuliminidae
Reinholdella cf. traubensis
 Vaginulinida - Vaginulinidae
Lenticulina dorbignyi, Lenticulina foveolata
Lenticulina dorbignyi
ssp. dorbignyi
Cephalopoda
 Ammonitida - Hildoceratidae
Dumortieria costula, "Cotteswoldia bifax" = Pleydellia, Cotteswoldia mactra, Cotteswoldia aalensis, Cotteswoldia subcompta
Dumortieria costula Reinecke 1818 ammonite
"Cotteswoldia bifax" = Pleydellia ammonite
Cotteswoldia mactra Dumortier 1874 ammonite
Cotteswoldia aalensis Zieten 1832 ammonite
ssp. aalensis
Cotteswoldia subcompta Branco 1879 ammonite