Bir Lagama (Aptian) (Cretaceous of Egypt)

Where: Egypt (30.8° N, 33.5° E: paleocoordinates 6.9° N, 29.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Aptian (125.0 - 113.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, fine-grained, ferruginous, ooidal limestone

• fine limestone with ferruginous oolites

Size class: macrofossils

Collection methods: Repository: École des Mines de Paris (most likely)

Primary reference: H. Douvillé. 1916. Les terrains secondaires dans le massif du Moghara à l’Est de l’isthme de Suez. Mémoire de l’Académie des Sciences, Paris 54(2):1-184 [L. Bulot/L. Bulot/M. Manojlovic]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 171270: authorized by Matthew Clapham, entered by Marko Manojlovic on 05.07.2015, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Nautilida - Cenoceratidae
Heminautilus saxbii Morris 1848 nautiloid
 Belemnitida - Duvaliidae
"Duvalia cf. grasi" = Duvalia grasiana
"Duvalia cf. grasi" = Duvalia grasiana Duval-Jouve 1841 belemnite
 Ammonitida - Desmoceratidae
Puzosia angladei Savn 1890 ammonite
 Ammonitida - Ancyloceratidae
"Crioceras cf. simplex" = Dirrymoceras simplex
"Crioceras cf. simplex" = Dirrymoceras simplex d'Orbigny 1842 ammonite
Gastropoda
 Sorbeoconcha - Aporrhaidae
Perissoptera glabra Forbes 1845 snail
Perissoptera glabra race asiatica
Bivalvia
 Pectinida - Neitheoidae
Neithea morrisi Pictet and Renevier 1858 scallop
 Cardiida - Arcticidae
"Cyprina (Venilicardia) sp." = Venilicardia, Cyprina (Venilicardia) lagamensis n. sp.
"Cyprina (Venilicardia) sp." = Venilicardia Stoliczka 1870 clam
Cyprina (Venilicardia) lagamensis n. sp. Douvillé 1916 clam
 Cardiida - Cardiidae
Protocardia peregrinorsa d'Orbigny 1842 cockle
 Trigoniida - Trigoniidae
Trigonia picteti Coquand 1865 clam
Trigonia pseudocrenulata Notling 1884 clam
Trigonia orientalis n. sp. Douvillé 1916 clam
Rhynchonellata
 Terebratulida - Sellithyrididae
"Terebratula sella" = Sellithyris sella
"Terebratula sella" = Sellithyris sella Sowerby 1823