Where: Nigeria (8.9° N, 12.0° E: paleocoordinates 5.8° S, 4.8° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Sekule Formation, Coniacian (89.8 - 86.3 Ma)
• STRATIGRAPHIC RELATIONS: From the Sekule Fm, which overlies the Jessu Fm (Late Turonian), and is overlain by the Numanha Shales (Campanian). AGE: Coniacian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within the formation of around 900 ft thick.
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; lithified, gray, green shale and lithified, shelly/skeletal limestone
Size class: macrofossils
Preservation: cast, mold/impression, original calcite
Collected by W. Barber
Collection methods: surface (in situ),
• COLLECTOR: Not stated in text, but presumably including the authors. REPOSITORY: Geology Department, University of Reading.
Primary reference: W. Barber. 1958. Upper Cretaceous Mollusca from north-eastern Nigeria. Records of the Geological Survey of Nigeria 1956:14-47 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 83016: authorized by Austin Hendy, entered by Austin Hendy on 05.08.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
cf. Solgerites armatus, "Barroisiceras aff. onilahyense" = Barroisiceras (Barroisiceras) onilahyense
cf. Solgerites armatus Solger 1904 ammonite
"Barroisiceras aff. onilahyense" = Barroisiceras (Barroisiceras) onilahyense Basse 1947 ammonite | |
Bivalvia | |
Inoceramus sp. Sowerby 1814 clam | |
"Plicatula auressensis" = Plicatula (Plicatula) auressensis
"Plicatula auressensis" = Plicatula (Plicatula) auressensis Coquand 1862 scallop | |
Spondylus cf. spinosus Schreibers 1793 scallop | |
"Lopha semiplana" = Hyotissa semiplana
"Lopha semiplana" = Hyotissa semiplana Sowerby 1825 oyster | |
"Cymbophora" moevusi Coquand 1862 clam |