ammonites

Hoyada de Ischiqualasto, undifferentiated: Carnian, Argentina
collected 1959

Where & when
Geology
Taphonomy & methods
Metadata & references
Geography
Country:Argentina State/province:San Juan County:Valle Fértil
Coordinates: 30.1° South, 67.9° West (view map)
Paleocoordinates:40.8° South, 31.5° West
Basis of coordinate:based on nearby landmark
Geographic resolution:local area
Time
Period:Triassic Epoch:Late/Upper Triassic
Stage:Carnian 10 m.y. bin:Triassic 3
Key time interval:Carnian
Age range of interval:228.0 - 216.5 m.y. ago
Stratigraphy
Formation:Ischigualasto
Stratigraphic resolution:member
Stratigraphy comments: Ischigualasto-Ischichuca basin; position within the formation is not stated
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Associated major elements:some
Disassociated major elements:some
Disassociated minor elements:some
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection dates:1959
Collection method comments: PVL: Instituto de Miguel Lillo, Tucuman, Argentina
Metadata
Database number:92318
Authorizer:R. Butler Enterer:R. Butler
Research group:vertebrate
Created:2009-11-06 03:45:39 Last modified:2009-11-06 03:45:39
Access level:the public Released:2009-11-06 03:45:39
Reference information
Primary reference:
31122 R. M. Casamiquela. 1961. Dos nuevos estagonolepoideos Argentinos de Ischigualasto, San Juan. Revista Asocíacion Geológia Argentina 16:143-203 [R. Butler/R. Butler]

Secondary references:

31121 A. B. Heckert and S. G. Lucas. 2002. South American occurrences of the Adamanian (Late Triassic: latest Carnian) index taxon Stagonolepis (Archosauria: Aetosauria) and their biochronological significance. Journal of Paleontology 76(5):852-863 [R. Butler/R. Butler]