B11-Cerro Tricolor, Beds 806-807, Mendoza: Toarcian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
Gastropoda indet. Cuvier 1795
Bivalvia
Bivalvia indet. Linnaeus 1758
Bivalvia - Trigoniida - Myophorellidae
Myophorella sp. Bayle 1878
Bivalvia - Trigoniida - Laevitrigoniidae
Frenguelliella sp. Leanza 1942
Bivalvia - Mytilida - Mytilidae
Modiolus cf. thiollierei
Bivalvia - Pectinida - Plicatulidae
? Plicatula sp. Lamarck 1801
Bivalvia - Pectinida - Propeamussiidae
Parvamussium pumilum (Lamarck 1819)
Damborenea 2002
Bivalvia - Ostreida
Pteriacea indet. Gray 1847
replaced by Pterioidea
Bivalvia - Pterioida - Prospondylidea
? Terquemia andina Damborenea 2002
Damborenea 2002
unclassified
Brachiopoda indet. Cuvier 1805
see common names

Geography
Country:Argentina State/province:Mendoza
Coordinates: 35.5° South, 70.2° West (view map)
Paleocoordinates:33.8° South, 31.4° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Early/Lower Jurassic
Stage:Toarcian 10 m.y. bin:Jurassic 3
Key time interval:Toarcian
Age range of interval:184.20000 - 174.70000 m.y. ago
Stratigraphy
Geological group:Cuyo
Stratigraphic resolution:group of beds
Stratigraphy comments: within D. hoelderi ammonite Zone
Lithology and environment
Primary lithology:"cross stratification" calcareous sandstone
Lithology description: medium platy sandstones, cross-bedded, some beds with a higher calcareous content
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:33802
Authorizer:A. Miller, M. Aberhan Enterer:K. Layou, S. Nurnberg
Modifier:A. Khan Research group:marine invertebrate
Created:2003-08-07 08:40:37 Last modified:2013-08-17 10:19:54
Access level:the public Released:2003-08-07 08:40:37
Creative Commons license:CC BY
Reference information

Primary reference:
3975. S. E. Damborenea. 1987. Early Jurassic Bivalvia of Argentina: Part 1, Stratigraphical introduction and superfamilies Nuculanacea, Arcacea, Mytilacea and Pinnacea. Palaeontographica A199(1-3):23-111 [W. Kiessling/W. Kiessling]

Secondary references:

9861 S. E. Damborenea. 2002. Early Jurassic bivalves of Argentina: Part 3, Superfamilies Monotoidea, Pectinoidea, Plicatuloidea and Dimyoidea. Palaeontographica Abteilung A 265(1-4):1-119 [M. Aberhan/S. Nurnberg/S. Nurnberg]