AP1b-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 divides the Aptian into upper and lower intervals. This is an upper Aptian collection.

Environment/lithology: gray shale

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 2233: authorized by Mark Patzkowsky, entered by Zack Krug on 28.06.1999, edited by Karen Layou

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Trigoniida - Trigoniidae
 Cardiida - Psammobiidae
"Psammobia studeri" = Gari (Psammobia)
"Psammobia studeri" = Gari (Psammobia) clam
 Pectinida - Pectinoidae
Rhynchonellata
 Rhynchonellida - Cyclothyrididae
"Rhynchonella gibbsiana" = Cyclothyris gibbsiana
"Rhynchonella gibbsiana" = Cyclothyris gibbsiana Sowerby 1829
 Terebratulida - Cnismatocentridae
"Terebratula biplicata" = Nucleatina biplicata
"Terebratula biplicata" = Nucleatina biplicata Sowerby 1812
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Gymnolaemata
 Cheilostomata -
Echinoidea
 Salenioida - Saleniidae
 Irregularia - Clypeidae
Pygurus sp. Agassiz 1839 sea urchin
 Spatangoida - Spatangidae
"Epiaster polygonus" = Epiaster distinctus
"Epiaster polygonus" = Epiaster distinctus Agassiz and Desor 1847 heart urchin
unclassified
  -
Porifera indet. Grant 1836