bed 37 Colle Tordina section (Italy): Early Tithonian, Italy

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Aspidoceratidae
Simocosmoceras aff. adversum
Cephalopoda - Ammonitida - Simoceratidae
Simoceras (Volanoceras) vicentinum
Simoceras (Volanoceras) volanense (Oppel 1863)
Lytogyroceras strictum
Lytogyroceras subbeticum
Cephalopoda - Ammonitida - Ataxioceratidae
? Lemencia sp. Donze and Enay 1961
Cephalopoda - Ammonitida - Himalayitidae
? Aulacosphinctes cf. rectefurcatus
see common names

Geography
Country:Italy State/province:Ancona
Coordinates: 43.8° North, 13.0° East (view map)
Paleocoordinates:17.3° North, 31.9° East (Wright 2013)
Basis of coordinate:estimated from map
Altitude:817 meters
Geographic resolution:outcrop
Time
Period: Jurassic Epoch: Late Jurassic
Stage: Tithonian 10 m.y. bin: Jurassic 6
Key time interval: Early Tithonian
Age range of interval: 149.2 - 146.3 m.y. ago
Stratigraphy
Formation:Bugarone Member:superiore
Local bed:37
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Volanense/Ponti Zone
Lithology and environment
Primary lithology:white lithified "limestone"
Includes fossils?Y
Environment:basinal (carbonate) Tectonic setting:passive margin
Geology comments: Pelagic carbonate swell
Taphonomy
Modes of preservation:mold/impression,recrystallized,original calcite,replaced with calcite
Size of fossils:macrofossils,microfossils
Temporal resolution:condensed
Collection methods and comments
Collection excludes:all microfossils,some macrofossils,difficult macrofossils,ichnofossils
Collection methods:selective quarrying,field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: Repository: APAT - Agenzia per la Protezione dell'Ambiente e per i Servizi Tecnici. Collezioni Paleontologiche. Roma
Museo di Paleontologia. Università "La Sapienza" Roma.
Taxonomic list comments:The abundant phylloceratids and lytoceratids were not determined
Metadata
Database number:46540
Authorizer:F. Cecca Enterer:F. Cecca
Modifier:F. Cecca Research group:marine invertebrate
Created:2005-01-19 05:31:36 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-01-19 05:31:36
Creative Commons license:CC0
Reference information

Primary reference:
12223. 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]