Locality 38, Dhruma area (Aramco S-1162) (Jurassic of Saudi Arabia)

Where: Saudi Arabia (24.7° N, 46.1° E: paleocoordinates 1.2° S, 34.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Dhruma Formation, Late/Upper Bajocian (171.6 - 167.7 Ma)

• Ermoceras 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)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Reposited in the SM

Primary reference: W. J. Arkell. 1952. Jurassic ammonites from Jebel Tuwaiq, central Arabia. Philosophical Transactions of the Royal Society of London, Series B, Biological Sciences 236:241-313 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184555: authorized by Matthew Clapham, entered by Matthew Clapham on 11.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Stephanoceratidae
Ermoceras (Kosmermoceras) elegans Douvillé 1916 ammonite
Ermoceras (Kosmermoceras) magnificum n. sp. Arkell 1952 ammonite
Ermoceras (Telermoceras) coronatoides Douvillé 1916 ammonite