Where: Imo, Nigeria (6.8° N, 7.1° E: paleocoordinates 1.1° N, 1.2° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Ameki Formation, Eocene (56.0 - 33.9 Ma)
• The Ameki Formation consists of five lithofacies: (A) clay-shale and limstone facies, (B) silty sandstone facies, (C) bioturbated sandstone facies, (D) mudrock facies, and (E) shelly shale facies. This collection includes fossils from samples N17 and N18 of lithofacies D.
• member-level stratigraphic resolution
Environment/lithology: marine; mudstone
Size classes: macrofossils, mesofossils, microfossils
Primary reference: I. Arua. 1988. Paleoecology of the Eocene Ameki Formation of southeastern Nigeria. Journal of African Earth Sciences 7(7/8):925-932 [L. Ivany/C. Visaggi/C. Visaggi]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 42654: authorized by Linda Ivany, entered by Christy Visaggi on 03.08.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Foraminifera | |
Globigerina sp. d'Orbigny 1826 | |
Cancris sp. Monfort 1808 | |
Globothalamea | |
Nonion sp. Monfort 1808 | |
Eponides sp. Montfort 1808 | |
Tubothalamea | |
Quinqueloculina sp. d'Orbigny 1826 | |
Echinoidea | |
Fibulariidae indet. Gray 1855 sand dollar | |
Gastropoda | |
Turritellidae indet. Lovén 1847 turret shell | |
Olividae indet. Latreille 1825 olive snail | |
Volutidae indet. Rafinesque 1815 volute | |
Strombidae indet. Rafinesque 1815 true conch | |
Bivalvia | |
Nuculanidae indet. Adams and Adams 1858 pointed nut clam | |
Ostracoda | |
Cytherella sp. Jones 1849 ostracod | |
Paracypris sp. Sars 1866 ostracod |