Slumped bed, western slope of Colle Vecchio, Tivoli (Jurassic of Italy)

Where: Italy (42.0° N, 12.8° E: paleocoordinates 29.5° N, 17.3° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Corniola Formation, Pliensbachian (190.8 - 182.7 Ma)

• a Lower Toarcian age is suggested by the ammonoids-possibly lumped by the collectors,brachiopods characteristic to the Pliensbachian stage occurs

Environment/lithology: marine; lithified, cherty/siliceous limestone and lithified marl

• one meter thick intercalction

•limestone and cherty limeston nodules embedded in a chaotically layered marly matrix

Size class: macrofossils

Primary reference: A. Vörös. 2002. Early Jurassic Koninckinids (Athyridida, Brachiopoda) from Tivoli near Rome, Italy. Geologica Romana 36:169-197 [J. Pálfy/A. Kocsis]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 140693: authorized by József Pálfy, entered by Adam Kocsis on 14.03.2013, edited by Mihaela Krause

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
  -
Gastropoda indet. Cuvier 1797 snail
Cephalopoda
 Belemnoidea -
Belemnitida indet. Zittel 1895 belemnite
 Belemnitida - Passaloteuthididae
Pseudohastites longiformis Blake 1876 belemnite
Passaloteuthis laevigata Zieten 1831 belemnite
 Ammonoidea -
unclassified
  -
Rhynchonellata
 Athyridida - Koninckinidae
 Terebratulida - Zeilleriidae
 Terebratulida -
 Terebratulida - Nucleatidae
 Terebratulida - Pygopidae
 Spiriferinida - Spiriferinidae
 Rhynchonellida - Tetrarhynchiidae
 Rhynchonellida - Wellerellidae
Cirpa briseis Gemmellaro 1874
 Rhynchonellida - Prionorhynchiidae
 Rhynchonellida - Norellidae
Nannirhynchia reynesi Gemmellaro 1874
Pachybelemnopsis
  -