Rocks Lane, NE of Evershot [Lower Chalk]: Late/Upper Cenomanian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea
- Echinoneoida
- Conulidae
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Conulus castanea
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Echinoidea
- Holectypoida
- Discoididae
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Discoidea subuculus
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nomen vanum belonging to Discoides | |||||||
Echinoidea
- Holasteroida
- Holasteridae
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Holaster subglobosus
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C category | ||||||
Rhynchonellata
- Terebratulida
- Gibbithyrididae
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Concinnithyris cf. albensis
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A category | ||||||
Concinnithyris obesa
(Sowerby 1823)
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R category | ||||||
Rhynchonellata
- Terebratulida
- Terebratulidae
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Terebratula rugulosa
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R category | ||||||
Cephalopoda
- Ammonitida
- Hamitidae
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Stomohamites simplex
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U category | ||||||
Cephalopoda
- Ammonitida
- Turrilitidae
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Turrilites scheuchzerianus
Bosc 1801
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R category | ||||||
Turrilites costatus
(Lamarck 1801)
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U category | ||||||
Turrilites acutus
Passy 1832
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A category | ||||||
recombined as Turrilites (Turrilites) acutus | |||||||
Cephalopoda
- Ammonitida
- Anisoceratidae
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Anisoceras cf. plicatile
(Sowerby 1819)
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U category | ||||||
recombined as Anisoceras plicatilis | |||||||
Cephalopoda
- Ammonitida
- Baculitidae
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Sciponoceras sp.
Hyatt 1894
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U category | ||||||
Cephalopoda
- Ammonitida
- Scaphitidae
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Scaphites equalis
Sowerby 1813
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A category | ||||||
Scaphites obliquus
Sowerby 1813
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C category | ||||||
Cephalopoda
- Ammonitida
- Desmoceratidae
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Puzosia sp.
Bayle 1878
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R category | ||||||
Cephalopoda
- Ammonitida
- Schloenbachiidae
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Schloenbachia ventricosa
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C category | ||||||
Schloenbachia costata
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U category | ||||||
Schloenbachia nodulisa
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U category | ||||||
Schloenbachia sp.
Neumayr 1875
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U category | ||||||
Schloenbachia aff. varians
(Sowerby 1817)
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C category | ||||||
Schloenbachia aff. subtuberculata
Gerhardt 1897
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C category | ||||||
recombined as Schloenbachia varians subtuberculata | |||||||
Cephalopoda
- Ammonitida
- Acanthoceratidae
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Calycoceras paucinodatum
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C category | ||||||
Calycoceras spinosum
(Wright and Wright 1951)
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U category | ||||||
Calycoceras bathyomphalum
Kosmatt 1895
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U category | ||||||
Protacanthoceras sp.
Spath 1923
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R category | ||||||
Acanthoceras sp.
Neumayr 1875
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U category | ||||||
Cephalopoda
- Ammonitida
- Forbesiceratidae
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Forbesiceras sp.
Kossmat 1897
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R category | ||||||
Bivalvia
- Myalinida
- Inoceramidae
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Inoceramus cf. etheridgei
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Inoceramus cf. crippsi
Mantell 1822
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Bivalvia
- Pectinida
- Pectinidae
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Pecten beaveri
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Bivalvia
- Arcida
- Arcidae
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Arcidae indet.
Lamarck 1809
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see common names |
Geography
Country: | United Kingdom | State/province: | England |
Coordinates: | 50.8° North, 2.6° West (view map) | ||
Paleocoordinates: | 39.6° North, 0.4° West | ||
Basis of coordinate: | based on nearby landmark | ||
Geographic resolution: | outcrop |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
Key time interval: | Late/Upper Cenomanian | Ammonoid zone: | Turrilites acutus |
Age range of interval: | 100.50000 - 93.90000 m.y. ago |
Stratigraphy
Formation: | Lower Chalk | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Lower Chalk, which overlies the Upper Greensand (Late Albian). AGE: Late Cenomanian, on the basis of ammonite biostratigraphy; Turrilites acutus zone. STRATIGRAPHIC POSITION: From 1.6 m thick exposure of chalk overlying Upper Greensand. |
Lithology and environment
Primary lithology: | phosphatic,gray lithified sandy lime mudstone |
Includes fossils? | Y |
Lithology description: SPECIFIC LITHOLOGY: Shattered, grey-buff marly chalk is exposed passing down into sandy buff chalk with small dark and light brown phosphates. LITHIFICATION: Lithified, based on facies description. | |
Environment: | carbonate indet. |
Geology comments: COMMENTS: Marine carbonate setting. |
Taphonomy
Modes of preservation: | cast,mold/impression,replaced with phosphate |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | bulk,field collection |
Reason for describing collection: | biostratigraphic analysis |
Collection method comments: COLLECTOR: W. J. Kennedy. REPOSITORY: Unknown, probably the BMNH. | |
Taxonomic list comments:COVERAGE: Exhaustive for ammonoidea, bivalvia, gastropoda, and other macrofossils. NOMENCLATURE: Not an authoritative publication and with somewhat antiquated nomenclature. Ammonoidea generally identified to species resolution while bivalves, gastropods and other macrofossils may not. |
Metadata
Database number: | 82857 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 2008-08-02 23:01:42 | Last modified: | 2019-04-04 13:13:58 |
Access level: | the public | Released: | 2008-08-02 23:01:42 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
27837. | W. J. Kennedy. 1970. A correlation of the uppermost Albian and the Cenomanian of South-West England. Proceedings of the Geologist's Association 81(4):613-677 [A. Hendy/A. Hendy] |