Torrente Meduna sample 12: Serravallian, Italy

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Turritellidae
Protoma rotifera (Deshayes 1832)
Turritella turris Basterot 1825
Gastropoda - Naticidae
Euspira helicana
Gastropoda - Neogastropoda - Conidae
Conus berghausi
Gastropoda - Cassidae
Semicassis miolaevigata Sacco 1890
recombined as Phalium (Semicassis) miolaevigata
Gastropoda - Ficidae
Ficus geometra
Bivalvia - Pectinida - Pectinidae
Amusium cristatum Bronn 1827
recombined as Cristatopecten cristatum
Bivalvia - Arcida - Arcidae
Anadara diluvii (Lamarck 1805)
recombined as Scapharca (Scapharca) diluvii
Supspecies: Anadara diluvii pertransversa
Bivalvia - Cardiida - Glossidae
Glossus humanus
Bivalvia - Cardiida - Veneridae
Circomphalus foliaceolamellosus
Venus multilamella Lamarck 1818
recombined as Venus (Ventricoloidea) multilamella
Subspecies: Venus mltilamella glabroides
Dosinia lupinus (Linnaeus 1758)
recombined as Dosinia lupina
Pelecyora islandicoides (Lamarck 1818)
Callista taurorugosa
Callista chione (Linnaeus 1758)
see common names

Geography
Country:Italy State/province:Pordenone County:Friuli
Coordinates: 46.2° North, 12.8° East (view map)
Paleocoordinates:45.8° North, 12.5° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
Stage:Serravallian 10 m.y. bin:Cenozoic 5
Key time interval:Serravallian
Age range of interval:13.82000 - 11.63000 m.y. ago
Stratigraphy
Formation:Torrente Meduna Siltstone
Local section:Torrente Meduna
Stratigraphic resolution:bed
Stratigraphy comments: Miocene Torento-Meduna sequence unconformably overlies the Eocene Clauzetto Flysch (Flysch di Clauzetto) and is composed of Preplans Sandstone, Zouf marl, Rugo Mizza Sandstone, San Martino Calcarenite, Torrente Meduna Siltstone, Maraldi Sandstone, Bier Puddingstone, and Montello Conglomerate. Thickness of the San Martino Calcarenite is approximately 450 m. Sample 12 is from the upper part of the Torrente Meduna.
Lithology and environment
Primary lithology:brown,gray siltstone
Includes fossils?Y
Lithology description: Torrente Meduna Siltstone "poorly bedded grey-brown siltstone, locally with intercalations of silty sand".
Environment:offshore
Geology comments: "The formaniferal assemblages point toward a Serravallian age".
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:all microfossils
Collection methods:bulk,field collection
Collection size:443 specimens
Rock censused:30 cm3 (volume)
Reason for describing collection:paleoecologic analysis
Collection method comments: Based on single bulk samples, about 30 cubic centimetres each. Grain size data also provided.
Taxonomic list comments:In enterers opinion the taxonomic list is representative of molluscan taxa, however no non-mollusca taxa are detailed. The reference states that formaniferal assemblages are present.
Metadata
Also known as:Venus-Conus community sample 12
Database number:37374
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2004-03-14 11:47:52 Last modified:2013-11-25 13:37:23
Access level:the public Released:2004-03-14 11:47:52
Creative Commons license:CC BY
Reference information

Primary reference:

10020. M.P. Bernasconi and E. Robba. 1993. Molluscan palaeoecology and sedimentological features: an integrated appraoch from the Miocene Meduna section, northern Italy. Palaeogeography, Palaeoclimatology, Palaeoecology 100:267-290 [A. Miller/A. Hendy/A. Hendy]