northeast of Riyadh, lower Hajajah Member, Fore-reef facies (Cretaceous of Saudi Arabia)

Where: Saudi Arabia (25.2° N, 46.8° E: paleocoordinates 4.8° N, 38.8° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Hajajah Member (Aruma Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: basin reef; limestone and mudstone

• intra-shelf basin
• marly coralline limestone

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: A. S. El-Sorogy, A. Ismail, M. Youssef and H. Nour. 2016. Facies development and paleoenvironment of the Hajajah Limestone Member, Aruma Formation, central Saudi Arabia. Journal of African Earth Sciences [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184844: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 27.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Orbitolinacea - Orbitolinidae
 Pectinida - Pectinoidae
Spondylus sp. Linnaeus 1758 scallop
 Opisthobranchia - Cylichnidae
Cylichna sp. Lovén 1846 snail
 Stromboidea - Tylostomatidae
Tylostoma sp. Sharpe 1849 snail
 Stromboidea - Aporrhaidae
Aporrhais sp. da Costa 1778 snail
 Sorbeoconcha - Batillariidae
Pyrazus sp. Monfort 1810 snail
 Sorbeoconcha - Cerithiidae
Cerithium sp. Bruguière 1789 cerith snail
 Ammonitida - Pachydiscidae
Pachydiscus sp. Zittel 1884 ammonite
 Ammonitida - Sphenodiscidae
Manambolites sp. Hourcq 1949 ammonite
Libycoceras sp. ammonite
Stromatoporoidea indet. Nicholson and Murie 1878
 Scleractinia - Stylinidae
Stylina regularis Fromentel 1862 stony coral
 Scleractinia - Cunnolitidae
"Cunnolites sp." = Cunnolites, "Cyclolites sp." = Cunnolites
"Cunnolites sp." = Cunnolites Gagnebin 1772 stony coral
"Cyclolites sp." = Cunnolites Gagnebin 1772 stony coral
 Scleractinia - Actinastreidae
"Columactinastrea torallolensis" = Columactinastraea torallolensis
"Columactinastrea torallolensis" = Columactinastraea torallolensis Reig Oriol 1989 stony coral
 Scleractinia - Meandrinidae
Aulosmilia vidali stony coral
Aulosmilia cuneiformis Milne-Edwards and Haime 1849 stony coral
Rennensismilia subinduta Reuss 1854 stony coral
 Miliolida - Miliolidae
Miliolidae indet. Ehrenberg 1839