Jabal Umm Himar locality 2 (Paleocene of Saudi Arabia)

Where: Makkah, Saudi Arabia (21.2° N, 41.5° E: paleocoordinates 6.7° N, 32.5° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Middle Member (Umm Himar Formation), Paleocene (66.0 - 56.0 Ma)

• Lower 2-3 m of the Middle Member of Umm Himar Formation

• bed-level stratigraphic resolution

Environment/lithology: lagoonal; massive, gypsiferous mudstone

• Low-energy estuarine or lagoonal environment
• Massive, thick-bedded mudstone, containing detritus, abundant montmorillonite, illite, and subordinate gypsum

Size classes: macrofossils, mesofossils

Collected in 1971-1979; reposited in the USGS

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140956: authorized by Philip Mannion, entered by Philip Mannion on 19.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Myliobatiformes - Myliobatidae
Myliobatis dixoni Agassiz 1843 eagle ray
Actinopteri
 Teleostei -
 Holostei -
Amiiformes indet. Hay 1929 bowfin
 Amiiformes - Amiidae
Amiidae indet.2 Huxley 1861 bowfin
USGS SAP 2-Am 1 (vertebral centrum)
Reptilia
 Loricata - Dyrosauridae
"Rhabdognathus compressus" = Congosaurus compressus1 Buffetaut 1980 crocodilian
USGS 2-CR-4 (section of mandibular rostrum)
Hyposaurus nopcsai1 Swinton 1930 crocodilian
USGS 2-CR-2 (posterior end of mandibular symphysis)
Rhabdognathus sp.1 Swinton 1930 crocodilian
USGS 2-CR-5 (fragment of mandibular rostrum)