Val Adrara T22: Late/Upper Hettangian, Italy

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Rhynchonellida - Wellerellidae
Calcirhynchia rectimarginata
35 specimens
Rhynchonellata - Terebratulida - Zeilleriidae
Zeilleria perforata (Piette 1856)
48 specimens
Bivalvia - Pectinida - Pectinidae
Chlamys thiollieri
2 specimens
Bivalvia - Carditida - Cardiniidae
Cardinia quadrata
9 specimens
see common names

Geography
Country:Italy
Coordinates: 45.0° North, 9.0° East (view map)
Paleocoordinates:32.3° North, 13.1° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Early/Lower Jurassic
Stage:Hettangian 10 m.y. bin:Jurassic 1
*International age/stage:Late/Upper Hettangian
Key time interval:Late/Upper Hettangian Zone: Schlotheimia angulata
Age range of interval:201.30000 - 196.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Sedrina
Local section:Val Adrara Local bed:T22
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:planar lamination,ooidal lithified "limestone"
Includes fossils?Y
Lithology description: 50 cm thick oolitic limestone bed, parallel lamination, oolitic intercalation, fragmented bioclasts, grigio-marroncino
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:29032
Authorizer:F. Fursich Enterer:A. Tomasovych
Modifier:M. Clapham Research group:marine invertebrate
Created:2003-03-18 07:20:28 Last modified:2017-07-31 15:58:56
Access level:the public Released:2003-03-18 07:20:28
Creative Commons license:CC BY
Reference information

Primary reference:

7637. M. Gaetani. 1970. Faune hettangiane della parte orientale della provincia di Bergamo. Rivista Italiana di Paleontologia 76(3):355-442 [F. Fursich/A. Tomasovych/A. Tomasovych]