Graua Limestone: Bed 5 (Cretaceous of Ethiopia)

Where: Ethiopia (9.1° N, 41.8° E: paleocoordinates 15.2° S, 28.5° E)

When: Graua Limestone Member (Amba Aradam Formation), Early/Lower Aptian (121.4 - 122.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, burrowed wackestone and yellow marl

Size classes: macrofossils, microfossils

Primary reference: A. Bosellini, A. Russo, and R. Schroeder. 1999. Stratigraphic evidence for an Early Aptian sea-level fluctuation: the Graua Limestone of south-eastern Ethiopia. Cretaceous Research 20:783-791 [L. Ivany/P. Wall/P. Wall]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 46588: authorized by Linda Ivany, entered by Patrick Wall on 20.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• marl = forams

•limestone = all others

Bivalvia
 Ostreida - Gryphaeidae
Exogyra couloni, "Exogyra flabellata" = Ceratostreon flabellatum
"Exogyra flabellata" = Ceratostreon flabellatum Goldfuss 1833 oyster
 Pectinida - Chondrodontidae
 Pectinida - Dimyidae
 Pectinida - Neitheoidae
Neithea morrisi Pictet and Renevier 1858 scallop
Foraminifera
 Orbitolinacea - Orbitolinidae