Bed No. 522, Khashm Aba al Hayyal (Jurassic of Saudi Arabia)

Where: Saudi Arabia (25.4° N, 45.4° E: paleocoordinates 0.6° S, 33.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Upper Member (Dhruma Formation), Middle Callovian (164.7 - 161.2 Ma)

• unit D7 Hisyan

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, calcareous claystone

Size class: macrofossils

Primary reference: Y. Alméras, M. Cougnon, R. Enay and C. Mangold. 2010. Brachiopodes du Jurasique Inférieur et moyen d'Arabie Saoudite centrale. Documents des Laboratoires de Géologie de Lyon 168:1-247 [J. Pálfy/A. Kocsis/A. Kocsis]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 141344: authorized by József Pálfy, entered by Adam Kocsis on 25.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Camarodonta - Echinidae
Echinidae indet. Gray 1825 sea urchin
Rhynchonellata
 Terebratulida - Eudesiidae
unclassified
  -
Porifera indet. Grant 1836