DH3-1, Disappointment Hills, Confusion Range: Spathian, Utah

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Pectinida - Aviculopectinidae
Eumorphotis multiformis (Bittner 1899)
2 specimens
Bivalvia - Pectinida - Hunanopectinidae
Leptochondria occidanea (Meek 1877)
1 specimen
Bivalvia - Ostreida - Bakevelliidae
Bakevellia cf. exporrecta (Lepsius 1878)
4 specimens
Bivalvia - Cardiida - Anthracosiidae
Unionites cf. fassaensis (Wissmann 1841)
1 specimen
Lingulata - Lingulida - Lingulidae
Lingularia borealis (Bittner 1899)
1 specimen
see common names

Geography
Country:United States State/province:Utah
Coordinates: 39.4° North, 113.7° West (view map)
Paleocoordinates:10.0° North, 38.3° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Triassic Epoch:Early/Lower Triassic
Stage:Olenekian 10 m.y. bin:Triassic 1
Key time interval:Spathian
Age range of interval:251.30000 - 247.20000 m.y. ago
Stratigraphy
Geological group:Thaynes
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:gray,green lithified calcareous siltstone
Lithology description: Olive-gray marl/siltstone
Environment:deep subtidal ramp
Geology comments: Proximal storm deposits, which were colonized by large epifaunal bivalves during quiet phases. Accordingly, they most likely represent deposits of the middle shelf, between the mean fair weather wave base and the storm wave base.
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: Palaeontological Institute and Museum at the University of Zürich (PIMUZ)
Metadata
Database number:156079
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2014-05-07 22:57:02 Last modified:2014-05-07 23:12:29
Access level:the public Released:2014-05-07 22:57:02
Creative Commons license:CC BY
Reference information

Primary reference:

51103. R. Hofmann, H. Hautmann, A. Brayard, A. Nützel, K. G. Bylund, J. F. Jenks, E. Vennin, N. Olivier, and H. Bucher. 2014. Recovery of benthic marine communities from the end-Permian mass extinction at the low latitudes of eastern Panthalassa. Palaeontology 57:547-589 [M. Clapham/M. Clapham]