Where: Saudi Arabia (23.9° N, 46.2° E: paleocoordinates 1.3° S, 33.9° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Marrat Formation, Tenuicostatum (183.0 - 182.0 Ma)
• Bouleiceras fauna, upper 4.4 m of lower limestone member of the Marrat (immediately below middle red shale unit)
• 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 184571: authorized by Matthew Clapham, entered by Matthew Clapham on 11.03.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Bouleiceras nitescens, Bouleiceras arabicum, Bouleiceras elegans, Bouleiceras marraticum n. sp., "Protogrammoceras madagascariense" = Protogrammoceras (Paltarpites) madagascariense
Bouleiceras nitescens Thevenin 1906 ammonite
Bouleiceras arabicum Arkell 1952 ammonite
Bouleiceras elegans Arkell 1952 ammonite
Bouleiceras marraticum n. sp. Arkell 1952 ammonite
"Protogrammoceras madagascariense" = Protogrammoceras (Paltarpites) madagascariense Thevenin 1908 ammonite |