bed 32 Colle Tordina section (Italy) (Jurassic of Italy)

Where: Ancona, Italy (43.8° N, 13.0° E: paleocoordinates 30.6° N, 19.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: superiore Member (Bugarone Formation), Early/Lower Tithonian (150.8 - 145.0 Ma)

• Semiforme Zone

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified, white wackestone

• Pelagic carbonate swell

Size class: macrofossils

Preservation: mold/impression, original calcite, replaced with calcite

Collection methods: Repository: APAT - Agenzia per la Protezione dell'Ambiente e per i Servizi Tecnici. Collezioni Paleontologiche. Roma

•Museo di Paleontologia. Università "La Sapienza" Roma.

Primary reference: F. Cecca, S. Cresta, G. Pallini and M. Santantonio. 1986. Biostratigrafia ed ammoniti del Dogger-Malm di Colle Tordina (Monti della Rossa, Appennino marchigiano). Bollettino del Servizio Geologico d'Italia 104:177-204 [F. Cecca/F. Cecca/F. Cecca]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 46527: authorized by Fabrizio Cecca, entered by Fabrizio Cecca on 15.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• The abundant phylloceratids and lytoceratids were not determined.
Cephalopoda
 Ammonitida - Aspidoceratidae
Aspidoceras rafaeli Oppel 1863 ammonite
 Ammonitida - Oppeliidae
Semiformiceras semiforme Oppel 1865 ammonite
morphotype rotundum
 Ammonitida - Haploceratidae
Pseudolissoceras "B" Spath 1925 ammonite
Pseudolissoceras aff. zitteli Burckhardt 1903 ammonite