bed 42 Colle Tordina section (Italy) (Cretaceous of Italy)

Where: Ancona, Italy (43.8° N, 13.0° E: paleocoordinates 30.4° N, 19.1° E)

• outcrop-level geographic resolution

When: superiore Member (Bugarone Formation), Early/Lower Berriasian (145.0 - 140.2 Ma)

• Possibly the base of the Berriasian, Jacobi Zone

• bed-level stratigraphic resolution

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

• Pelagic carbonate swell Ammonite tests, when present, have been replaced by calcite. Aptychi and belemnites are primarily calcitic.

Size classes: macrofossils, microfossils

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

Collection methods: quarrying,

• Repository: APAT - Agenzia per la Protezione dell'Ambiente e per i Servizi Tecnici. Collezioni Paleontologiche. 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 46546: authorized by Fabrizio Cecca, entered by Fabrizio Cecca on 19.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• phylloceratids and lytoceratids were not determined
Cephalopoda
 Ammonitida - Oppeliidae
 Ammonitida - Haploceratidae
Haploceras (Haploceras) woehleri, "Haploceras (Haploceras) carachtheis" = Hypolissoceras carachtheis
"Haploceras (Haploceras) carachtheis" = Hypolissoceras carachtheis Zeuschner 1846 ammonite
 Ammonitida - Aspidoceratidae
Aspidoceras sp. Zittel ammonite
 Ammonitida - Himalayitidae
"Micracanthoceras (Corongoceras) sp." = Corongoceras, "Micracanthoceras (Corongoceras) aff. rhodanicus" = Ardesciella rhodanica
"Micracanthoceras (Corongoceras) sp." = Corongoceras ammonite
"Micracanthoceras (Corongoceras) aff. rhodanicus" = Ardesciella rhodanica Mazenot 1939 ammonite