Wadatta, near Makurdi (Cretaceous of Nigeria)

Where: Nigeria (7.7° N, 8.5° E: paleocoordinates 6.7° S, 0.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Mungo River Formation, Early/Lower Turonian (93.5 - 89.3 Ma)

• STRATIGRAPHIC RELATIONS: From the Mungo River Fm. AGE: Early Turonian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From near the base of the formation.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

• ENVIRONMENT: Presumably an shallow carbonate marine facies.
• SPECIFIC LITHOLOGY: Limestone. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: COLLECTOR: Unknown. REPOSITORY: Not reported in text.

Primary reference: R. A. Reyment. 1954. New Turonian (Cretaceous) ammonite genera from Nigeria. Colonial Geology and Mineral Resources 4(2):149-164 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 82785: authorized by Austin Hendy, entered by Austin Hendy on 01.08.2008, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for Ammonoidea. NOMENCLATURE: Authoritative publication, but with somewhat antiquated nomenclature. Mostly identified to species resolution.
Show authors, comments, and common names
Bivalvia
 Mytilida - Mytilidae
Modiolus cf. typicus2
Modiolus cf. typicus2 Forbes 1846 mussel
 Arcida - Glycymerididae
Trigonarca spp.2
Trigonarca spp.2 Conrad 1862 clam
 Myalinida - Inoceramidae
Inoceramus sp.2
Inoceramus sp.2 Sowerby 1814 clam
 Ostreida - Gryphaeidae
"Lopha semiplana" = Hyotissa semiplana2
"Lopha semiplana" = Hyotissa semiplana2 Sowerby 1825 oyster
 Ostreida - Malleidae
Isognomon sp.2
Isognomon sp.2 Lightfoot 1786 oyster
 Pectinida - Plicatulidae
Plicatula sp.2, Plicatula multicostata2
Plicatula sp.2 Lamarck 1801 scallop
Plicatula multicostata2 Forbes 1846 scallop
 Pectinida - Limidae
Lima (Plagiostoma) pseudohoernesi2
Lima (Plagiostoma) pseudohoernesi2 Riedel 1933 file clam
Cephalopoda
 Ammonitida - Acanthoceratidae
Benueites benueensis n. sp., "Benueites spinosus n. sp." = Benueites mosquerae, Mammites mutabilis1, Kamerunoceras jacobsoni1
Benueites benueensis n. sp. Reyment 1954 ammonite
"Benueites spinosus n. sp." = Benueites mosquerae Karsten 1886 ammonite
Mammites mutabilis1 Reyment 1955 ammonite
Kamerunoceras jacobsoni1 Reyment 1955 ammonite
 Ammonitida - Coilopoceratidae
Hoplitoides ingens1, Hoplitoides koeneni1, Hoplitoides gibbosulus1, Hoplitoides cf. wohltmanni1, Hoplitoides crassicostatus1, ? Coilopoceras sp.1
Hoplitoides ingens1 von Koenen 1897 ammonite
Hoplitoides koeneni1 Solger 1904 ammonite
Hoplitoides gibbosulus1 von Koenen 1897 ammonite
Hoplitoides cf. wohltmanni1 von Koenen 1897 ammonite
Hoplitoides crassicostatus1 Reyment 1955 ammonite
? Coilopoceras sp.1 Hyatt 1903 ammonite
1Reyment 1955; 2Reyment 1955