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, 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)

• 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 184553: authorized by Matthew Clapham, entered by Matthew Clapham on 11.03.2017

Creative Commons license: CC BY (attribution)