Jabal Umm Himar locality 43: Paleocene, Saudi Arabia
collected 1971-1979

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Dyrosauridae
Dyrosauridae indet. Stefano 1903
Reptilia
Rhabdognathus sp. Swinton 1930
Langston 1995
USGS 43-CR-l (incomplete mandibular symphysis)
Actinopteri - Pycnodontiformes - Pycnodontidae
Pycnodus informal very large sp.
Chondrichthyes - Myliobatiformes - Myliobatidae
Myliobatis dixoni Agassiz 1843
recombined as Aetomylaeus dixoni
see common names

Geography
Country:Saudi Arabia State/province:Makkah
Coordinates: 21.2° North, 41.4° East (view map)
Paleocoordinates:6.7° North, 32.4° East
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Paleocene
10 m.y. bin:Cenozoic 1
Key time interval:Paleocene
Age range of interval:66.00000 - 56.00000 m.y. ago
Stratigraphy
Formation:Umm Himar Member:Middle
Stratigraphic resolution:bed
Stratigraphy comments: Lower 2-3 m of the Middle Member of Umm Himar Formation
Lithology and environment
Primary lithology:massive,gypsiferous mudstone
Includes fossils?Y
Lithology description: Massive, thick-bedded mudstone, containing detritus, abundant montmorillonite, illite, and subordinate gypsum
Environment:lagoonal
Geology comments: Low-energy estuarine or lagoonal environment
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USGS
Collection dates:1971-1979
Metadata
Database number:140972
Authorizer:P. Mannion Enterer:P. Mannion
Modifier:P. Mannion Research group:vertebrate
Created:2013-03-19 23:41:26 Last modified:2013-03-19 07:42:17
Access level:the public Released:2013-03-19 23:41:26
Creative Commons license:CC BY
Reference information

Primary reference:

45776. C. T. Madden, F. C. Whitmore Jr., D. L. Schmidt and I. M. Naqvi. 1995. The Umm Himar Formation (Paleocene) of Saudi Arabia and Associated Strata: Stratigraphy, Vertebrate Fauna, and Paleoenvironment. In F. C. Whitmore Jr., C. T. Madden (eds.), U.S. Geological Survey Bulletin 2093(A):1-19 [P. Mannion/P. Mannion/P. Mannion]

Secondary references:

45783 W. Langston. 1995. Dyrosaurs (Crocodilia, Mesosuchia) from the Paleocene Umm Himar Formation, Kingdom of Saudi Arabia. In F. C. Whitmore Jr., C. T. Madden (eds.), United States Geological Survey Bulletin 2093(F):1-36 [P. Mannion/P. Mannion/M. Carrano]