Locality 2, Juraifa area (Aramco S-1618) (Jurassic of Saudi Arabia)

Where: Saudi Arabia (25.5° N, 45.2° E: paleocoordinates 0.1° S, 33.7° E)

• coordinate stated in text

• outcrop-level geographic resolution

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

• Ermoceras fauna, purple-red ammonite bed 88 to 90 m below the Micromphalites clay

• bed-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 184524: authorized by Matthew Clapham, entered by Matthew Clapham on 11.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Thamboceratidae
Thamboceras mirabile Arkell 1952 ammonite
 Ammonitida - Stephanoceratidae
Ermoceras (Kosmermoceras) elegans Douvillé 1916 ammonite
Ermoceras (Kosmermoceras) strigatum n. sp. Arkell 1952 ammonite
Ermoceras (Kosmermoceras) aulacostephanus n. sp. Arkell 1952 ammonite
Ermoceras (Telermoceras) splendens n. sp. Arkell 1952 ammonite
 Nautilida -
Nautilida indet. Agassiz 1847 nautiloid
"Nautilus" sp.