ammonites

Ambondromahabo: Bathonian, Madagascar

Where & when
Geology
Taphonomy & methods
Metadata & references
Geography
Country:Madagascar
Coordinates: 16.6° South, 47.0° East (view map)
Paleocoordinates:24.0° South, 25.0° East
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Bathonian 10 m.y. bin:Jurassic 4
Key time interval:Bathonian
Age range of interval:167.7 - 164.7 m.y. ago
Stratigraphy
Formation:Isalo III
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:bulk,sieve
Reason for describing collection:taxonomic analysis
Collection method comments: University of Antananarivo collection
specimen was recovered "during washing and microscope sorting" of matrix
Metadata
Also known as:Ambondromamy region
Database number:92151
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:2009-11-02 15:04:57 Last modified:2009-11-02 15:04:57
Access level:the public Released:2009-11-02 15:04:57
Reference information
Primary reference:
31041 J. J. Flynn, J. M. Parrish, B. Rakotosamimanana, W. F. Simpson, and A. R. Wyss. 1999. A Middle Jurassic mammal from Madagascar. Nature 401:57-60 [J. Alroy/J. Alroy]