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Locality 36, Riyadh Region, Saudi Arabia

Lat/Long (Decimal)24.668,46.05
Co-ordinates Derivationstated in text
Mindat.org Region (for given coordinates)Riyadh Region, Saudi Arabia

Collections

CollectionReferenceStratigraphic NameCommentsLithologyAge
Locality 36, Dhruma area (Aramco S-1164)Arkell W. J. (1952)DhrumaErmoceras fauna, weathered-out fossils on the slope, derived from 0 to 19.7 m below the top of the escarpment (calculated about 13 to 32 m below the top of the Dhibi limestone member)"limestone"171.6 - 167.7 Ma
Middle Jurassic
Locality 38, Dhruma area (Aramco S-1162)Arkell W. J. (1952)DhrumaErmoceras fauna, fossils in place 11.7 to 14.3 m below the top of the escarpment (calculated about 25 to 27.5 m below the top of the Dhibi limestone member)"limestone"171.6 - 167.7 Ma
Middle Jurassic

Recorded Fossils

Accepted NameHierarchyAge
Ermoceras (Kosmermoceras) elegans
species
Animalia : Mollusca : Cephalopoda : Ammonitida : Stephanoceratidae : Kosmermoceras : Ermoceras (Kosmermoceras) elegans171.6 - 167.7 Ma
Middle Jurassic
Ermoceras (Kosmermoceras) magnificum
species
Animalia : Mollusca : Cephalopoda : Ammonitida : Stephanoceratidae : Kosmermoceras : Ermoceras (Kosmermoceras) magnificum171.6 - 167.7 Ma
Middle Jurassic
Ermoceras (Kosmermoceras) runcinatum
species
Animalia : Mollusca : Cephalopoda : Ammonitida : Stephanoceratidae : Kosmermoceras : Ermoceras (Kosmermoceras) runcinatum171.6 - 167.7 Ma
Middle Jurassic
Ermoceras (Telermoceras) coronatoides
species
Animalia : Mollusca : Cephalopoda : Ammonitida : Stephanoceratidae : Telermoceras : Ermoceras (Telermoceras) coronatoides171.6 - 167.7 Ma
Middle Jurassic
Ermoceras (Telermoceras) reineckeoides
species
Animalia : Mollusca : Cephalopoda : Ammonitida : Stephanoceratidae : Telermoceras : Ermoceras (Telermoceras) reineckeoides171.6 - 167.7 Ma
Middle Jurassic
Thamboceras mirabile
species
Animalia : Mollusca : Cephalopoda : Ammonoidea : Thamboceratidae : Thamboceras : Thamboceras mirabile171.6 - 167.7 Ma
Middle Jurassic

References

Arkell W. J. (1952) Jurassic ammonites from Jebel Tuwaiq, central Arabia, Philosophical Transactions of the Royal Society of London, Series B, Biological Sciences 236, 241-313
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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