AP4b-Jura (Cretaceous of Switzerland)

Where: Switzerland (46.7° N, 6.3° E: paleocoordinates 36.4° N, 16.0° E)

When: Aptian (125.0 - 113.0 Ma)

• The author lists the Urgonien as part of the Neocomian; however, Harland 1989 puts the Urgonien within the lowermost Aptian

Environment/lithology: gray, yellow carbonate

• carbonate can sometimes be oolitic

Primary reference: A. Jaccard. 1869. Jura Vaudois et Neuchatelois. Matériaux pour la carte géologique de la Suisse 6:1-340 [M. Patzkowsky/K. Layou/L. Villier]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2228: authorized by Mark Patzkowsky, entered by Zack Krug on 28.06.1999, edited by Karen Layou

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Echinoidea
 Cidaroida - Cidaridae
Cidaris lardyi
Cidaris lardyi pencil urchin
 Arbacioida - Arbaciidae
Goniopygus peltatus, Codiopsis jaccardi
Codiopsis jaccardi sea urchin
 Spatangoida - Toxasteridae
Heteraster couloni
Heteraster couloni heart urchin
 Irregularia - Nucleolitidae
Pygaulus morloti
Pygaulus morloti sea urchin
 Euechinoidea - Hemicidaridae
Hemicidaris clunifera
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
Rhynchonella sp.
Rhynchonella sp. Fischer 1809
 Rhynchonellida - Tetrarhynchiidae
"Rhynchonella lata" = Belbekella lata
"Rhynchonella lata" = Belbekella lata d'Orbigny 1847
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
Bivalvia
 Mytilida - Mytilidae
Mytilus carteroni, "Lithodomus archiaci" = Lithophaga, "Lithodomus avellana" = Lithophaga
"Lithodomus archiaci" = Lithophaga mussel
"Lithodomus avellana" = Lithophaga mussel
 Ostreida - Ostreidae
Ostrea sp.
Ostrea sp. Linnaeus 1758 oyster
 Ostreida - Pinnidae
Pinna helvetica
 Pectinida - Limidae
Lima sp.
Lima sp. Bruguière 1797 file clam
 Pectinida - Pectinoidae
Pecten sp.
Pecten sp. Müller 1776 scallop
Anthozoa
  -
Anthozoa indet.
Anthozoa indet. Ehrenberg 1834
unclassified
  -
Porifera indet.
Porifera indet. Grant 1836