Ras Bir II (Pleistocene of Djibouti)

Where: Djibouti (12.0° N, 43.3° E: paleocoordinates 12.0° N, 43.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; limestone and calcareous sandstone

Size class: macrofossils

Primary reference: R. Abrard. 1942. Mollusques Pleistocenes de la Cote Francaise des Somalis [Pleistocene molluscs from French Somaliland]. Archives du Museum National d'Histoire Naturelle, serie 6 18:5-105 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96794: authorized by Wolfgang Kiessling, entered by Uta Merkel on 01.07.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Glycymerididae
"Pectunculus arabicus" = Glycymeris
"Pectunculus arabicus" = Glycymeris clam
 Arcida - Arcidae
Arca navicularis Bruguière 1789 ark
 Cardiida - Donacidae
Donax veneriformis Lamarck 1818 clam
 Cardiida - Veneridae
Sunetta effossa venus clam
 Cardiida - Chamidae
Chama reflexa Reeve 1846 jewel box
Gastropoda
 Neritoidea - Neritidae
Nerita (Pila) undata Linnaeus 1758 snail
 Sorbeoconcha - Naticidae
"Natica (Mamma) mamilla" = Natica (Natica) mamilla
"Natica (Mamma) mamilla" = Natica (Natica) mamilla Linnaeus 1758 moon snail
 Neogastropoda - Buccinidae
Nassa pullus true whelk
 Neogastropoda - Olividae
Oliva sp. Bruguière 1789 olive snail
 Neogastropoda - Drilliidae
 Sorbeoconcha - Strombidae
"Strombus (Canarium) gibberulus" = Strombus (Gibberulus) gibberulus
"Strombus (Canarium) gibberulus" = Strombus (Gibberulus) gibberulus Linnaeus 1758 conch