Abakaliki town: Late/Upper Albian, Nigeria
collected by Reyment
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Brancoceratidae
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Neokentroceras curvicornu
Spath 1922
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| SUBSPECIES: N. curvicornu crassicornutum | ||||||||||
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Prohysteroceras wordiei
Spath 1922
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Elobiceras aff. densicostatum
Crick 1922
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Elobiceras lobitoense
Crick 1922
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Mortoniceras (Mortoniceras) cf. pachys
(Seeley 1865)
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| see common names | ||||||||||
Geography
| Country: | Nigeria |
| Coordinates: | 6.3° North, 8.1° East (view map) |
| Paleocoordinates: | 9.4° South, 1.0° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | local area |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Late/Upper Albian | ||
| Age range of interval: | 106.20000 - 100.50000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the unnamed lithostratigraphic unit. AGE: Late Albian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From zone 4, near the top of the unit. | |||||
Lithology and environment
| Primary lithology: | lithified "shale" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Shale. LITHIFICATION: Lithified, on the basis of figured specimens. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Presumably an shallow siliciclastic marine facies. | |
Taphonomy
| Modes of preservation: | cast,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | BMNH |
| Collectors: | Reyment |
| Collection method comments: COLLECTOR: R.A. Reyment. REPOSITORY: BMNH, London | |
| Taxonomic list comments:COVERAGE: Exhaustive for Ammonoidea. NOMENCLATURE: Authoritative publication, but with somewhat antiquated nomenclature. Mostly identified to species resolution. | |
Metadata
| Database number: | 82766 | ||
| Authorizer: | A. Hendy, M. Clapham | Enterer: | A. Hendy, M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2008-08-01 09:47:00 | Last modified: | 2020-06-15 21:25:19 |
| Access level: | the public | Released: | 2008-08-01 09:47:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 27823. | R. A. Reyment. 1955. The Cretaceous Ammonoidea of southern Nigeria and the southern Cameroons. Geological Survey of Nigeria Bulletin 25:1-112 [A. Hendy/A. Hendy] |