Hameimat North section, lower Unit A (Cretaceous of Algeria)

Where: Algeria (35.6° N, 8.1° E: paleocoordinates 19.1° N, 7.7° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Mantelliceras mantelli ammonoid zone, Fahdene Formation, Early/Lower Cenomanian (99.6 - 93.5 Ma)

• Sharpeiceras schlueteri subzone, and basal part of the unit lacking ammonites

• group of beds-level stratigraphic resolution

Environment/lithology: poorly lithified marl

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Laboratory of Geodynamics, Engineering Geology and Planetology of the University of Science and Technology Houari Boumediene (USTHB; Algiers, Algeria).

Primary reference: S. Mendir, S. Salmi-Laouar, G. M. El Qot, W. Ayoub-Hannaa, and B. Ferré. 2021. Cenomanian (Upper Cretaceous) bivalves from the Hameimat Massifs, north of Tebessa, Algeria: Systematics, biostratigraphy, palaeoecological and taphonomical remarks. Annales de Paléontologie 107(102471) [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 220822: authorized by Matthew Clapham, entered by Matthew Clapham on 16.06.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cardiida - Veneridae
Meretrix desvauxi Coquand 1862 venus clam
Paraesa faba Sowerby 1827 venus clam
 Cardiida - Cardiidae
? Granocardium sp. Gabb 1869 cockle
 Lucinida - Lucinidae
Sphaera corrugata Sowerby 1822 clam
 Ostreida - Gryphaeidae
Gyrostrea delettrei Coquand 1862 oyster
Costagyra olisiponensis Sharpe 1850 oyster
Rhynchostreon suborbiculatum Lamarck 1801 oyster
Exogyra conica Sowerby 1813 oyster
 Ostreida - Ostreidae
Lopha syphax Coquand 1854 oyster
 Pectinida - Plicatulidae
Plicatula (Plicatula) ferryi Coquand 1862 scallop
 Arcida - Cucullaeidae