Ras En Naqb [Ajlun Gp] (Cretaceous of Jordan)

Where: Jordan (29.9° N, 35.6° E: paleocoordinates 7.3° N, 28.5° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Cenomanian (100.5 - 93.9 Ma)

• STRATIGRAPHIC RELATIONS: From the undifferentiated Shuayb/Hummar/Fuheis and Naur formations of the Ajlun Gp, which overly the Kurnub Sandstone and is overlain by the Wadias Sir Limestone. AGE: Cenomanian, on the basis of macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within section.

• bed-level stratigraphic resolution

Environment/lithology: lithified dolomite and lithified, nodular limestone

• SPECIFIC LITHOLOGY: Vuggy dolomites and partly nodular limestones. LITHIFICATION: Lithified, on the basis of facies description.

Size class: macrofossils

Collected by Berndt

Collection methods: surface (in situ),

• COLLECTOR: Presumably the author, R. Berndt. REPOSITORY: University of Würzburg.

Primary reference: R. Berndt. 2003. Cenomanian echinoids from Southern Jordan. N. Jb. Geol. Palaont. Mh 2003(2):73-90 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96247: authorized by Austin Hendy, entered by Austin Hendy on 29.05.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for echinoids, but trace fossils and bivalves known to be present. NOMENCLATURE: Authoritative publication, with modern nomenclature and species-resolution identifications.
Echinoidea
 Euechinoidea - Pseudodiadematidae
Heterodiadema libycum Agassiz and Desor 1846 sea urchin
Tetragramma variolare Brongniart 1822 sea urchin
 Holectypoida - Holectypidae
Coenholectypus larteti Cotteau 1869 sea urchin
 Spatangoida - Hemiasteridae
Hemiaster (Mercaster) luynesi Cotteau 1869 heart urchin
Hemiaster (Mercaster) syriacus Conrad in Lynch 1852 heart urchin
"Hemiaster (Mercaster) batnensis" = Mecaster batnensis Coquand 1862 heart urchin
 Hemicidaroida -
Micropedina olisiponensis Forbes in Sharpe 1850 sea urchin
 Arbacioida - Arbaciidae
Goniopygus menardi Desmarest in Defrance 1925 sea urchin