Tereso Horizon, Werfen Fm, Tereso, Dolomites: Changhsingian, Italy

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Ammodiscidae
Glomospira sp. Rzehak 1895
Robuloididae
Geinitzinidae
Pachyphloiidae
Pachyphloia sp. Lange 1925
Biseriamminidae
Globivalvulina sp. Schubert 1921
Boultoniidae
Earlandiidae
Tubothalamea - Miliolida - Cornuspiridae
Hemigordius sp. Schubert 1908
Nodosariata - Nodosariida - Nodosariidae
Dentalina sp. d'Orbigny 1826
Nodosaria sp. Lamarck 1812
Echinoidea - Cidaroida - Miocidaridae
Ostracoda
Sabellida - Serpulidae
"Spirorbis" sp. Daudin 1800
Strophomenata - Orthotetida - Meekellidae
Ombonia sp. Caneva 1906
(1 measurement)
Strophomenata - Productida
(1 measurement)
Rhynchonellata - Athyridida - Athyrididae
(1 measurement)
Rhynchonellata - Spiriferida - Ambocoeliidae
(1 measurement)
Bivalvia
Bivalvia - Ostreida - Bakevelliidae
(1 measurement)
Gastropoda - Bellerophontida - Euphemitidae
see common names

Geography
Country:Italy
Coordinates: 46.4° North, 11.9° East (view map)
Paleocoordinates:12.0° North, 36.0° East (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:local area
Time
Period: Permian Epoch: Lopingian
Stage: Changhsingian 10 m.y. bin: Permian 4
Key time interval: Changhsingian
Age range of interval: 254.14 - 251.902 m.y. ago
Stratigraphy
Formation:Werfen Member:Tereso Horizon
Stratigraphic resolution:member
Stratigraphy comments: Tereso Horizon is the basal unit of the Werfen Formation, and contains the P-T boundary in its upper part.
Lithology and environment
Primary lithology:ooidal grainstone
Secondary lithology: packstone
Includes fossils?Y
Includes fossils?Y
Environment:shallow subtidal indet.
Taphonomy
Size of fossils:macrofossils,mesofossils,microfossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:44450
Authorizer:D. Bottjer Enterer:C. Powers
Modifier:J. Alroy Research group:marine invertebrate
Created:2004-09-12 14:06:40 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-09-12 14:06:40
Creative Commons license:CC0
Reference information

Primary reference:
11624. C. B. Neri, M. Pasini, and R. Posenato. 1986. The Permian/Triassic boundary and the Early Scythian sequence - Tereso section, Dolomites. Permian and Permian-Triassic Boundary in the South-Alpine Segement of the Western Tethys - IGCP Project No. 203 111-116 [D. Bottjer/C. Powers/C. Powers]