VD88.252A-E, section 2, Riyadh quadrangle (Cretaceous of Saudi Arabia)

Where: Saudi Arabia (24.2° N, 47.7° E: paleocoordinates 0.7° S, 37.7° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Wasia Formation, Cenomanian (100.5 - 93.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone

Size class: macrofossils

Collected by D. Vaslet in 1988

• Repository: Centre des Sciences de la Terre, University of Burgundy, Dijon

Primary reference: D. Néraudeau, B. David, and M. S. Al-Muallem. 1995. The Cretaceous echinoids from central Saudi Arabia. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 197:399-424 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 195499: authorized by Matthew Clapham, entered by Matthew Clapham on 10.08.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

 Cidaroida - Cidaridae
 Holectypoida - Holectypidae
Coenholectypus excisus Desor 1847 sea urchin
 Spatangoida - Hemiasteridae
Mecaster orbignyanus Desor 1857 heart urchin
 Euechinoidea - Pseudodiadematidae
"Heterodiadema lybicum" = Heterodiadema libycum
"Heterodiadema lybicum" = Heterodiadema libycum Agassiz and Desor 1846 sea urchin
 Euechinoidea - Orthopsidae
Orthopsis miliaris d'Archiac 1835 sea urchin