Abu Na'im - Gata Member, Wadi Tamet Formation (Eocene of Libya)

Where: Ajdabiya, Libya (28.9° N, 18.9° E: paleocoordinates 22.1° N, 14.6° E)

• coordinate stated in text

• local area-level geographic resolution

When: Gata Member (Wadi Tamet Formation), Lutetian (47.8 - 41.3 Ma)

• The Gata member is made up predominantly of bioclastic limestones, chalk limestones, clayey limestones, and marlstones with few intercalations of dolomitized limestones. It has a thickness of 70-80 m (230-262 ft).

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, dolomitic, shelly/skeletal, argillaceous limestone

• No paleoenvironmental data provided.
• Bioclastic limestones, chalk limestones, clayey limestones, and marlstones with few intercalations of dolomitized limestones.

Size classes: macrofossils, microfossils

Collection methods: No detailed collection data reported.

Primary reference: E. E. Tawadros. 2001. Geology of Egypt and Libya 1-468 [A. Miller/A. Hendy/M. Clapham]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 42129: authorized by Austin Hendy, entered by Austin Hendy on 24.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Collection based on taxa listed in text as typical of formation. Includes only mollusca, echinodermata, and foraminifera.
Cephalopoda
 Nautilida - Nautilidae
"Nautilus cf. leonei" = Eutrephoceras leonei
"Nautilus cf. leonei" = Eutrephoceras leonei Negri 1934 nautiloid
Bivalvia
 Ostreida - Ostreidae
"Ostrea elegans" = Cubitostrea elegans
"Ostrea elegans" = Cubitostrea elegans Deshayes 1832 oyster
 Ostreida - Gryphaeidae
 Pectinida - Anomiidae
Carolia cymbalea scallop
[entered as Carolia cymalea]
Carolia placunoides Cantraine 1838 scallop
Echinoidea
 Clypeasteroida - Laganidae
Sismondia saemanni sand dollar
 Echinolampadoida - Echinolampadidae
Echinolampas fraasi de Loriol 1880 sea urchin
Echinolampas perrieri de Loriol 1880 sea urchin
Foraminifera
 Rotaliacea - Rotaliidae
 Nummulitacea - Nummulitidae
Tubothalamea
 Miliolida - Soritidae
 Miliolida - Fabulariidae