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
Conulus castanea
Echinoidea - Holectypoida - Discoididae
Discoidea subuculus
nomen vanum belonging to Discoides
Echinoidea - Holasteroida - Holasteridae
Holaster subglobosus
C category
Rhynchonellata - Terebratulida - Gibbithyrididae
Concinnithyris cf. albensis
A category
Concinnithyris obesa (Sowerby 1823)
R category
Rhynchonellata - Terebratulida - Terebratulidae
Terebratula rugulosa
R category
Cephalopoda - Ammonitida - Hamitidae
Stomohamites simplex
U category
Cephalopoda - Ammonitida - Turrilitidae
Turrilites scheuchzerianus Bosc 1801
R category
Turrilites costatus (Lamarck 1801)
U category
Turrilites acutus Passy 1832
A category
recombined as Turrilites (Turrilites) acutus
Cephalopoda - Ammonitida - Anisoceratidae
Anisoceras cf. plicatile (Sowerby 1819)
U category
recombined as Anisoceras plicatilis
Cephalopoda - Ammonitida - Baculitidae
Sciponoceras sp. Hyatt 1894
U category
Cephalopoda - Ammonitida - Scaphitidae
Scaphites equalis Sowerby 1813
A category
Scaphites obliquus Sowerby 1813
C category
Cephalopoda - Ammonitida - Desmoceratidae
Puzosia sp. Bayle 1878
R category
Cephalopoda - Ammonitida - Schloenbachiidae
Schloenbachia ventricosa
C category
Schloenbachia costata
U category
Schloenbachia nodulisa
U category
Schloenbachia sp. Neumayr 1875
U category
Schloenbachia aff. varians (Sowerby 1817)
C category
Schloenbachia aff. subtuberculata Gerhardt 1897
C category
recombined as Schloenbachia varians subtuberculata
Cephalopoda - Ammonitida - Acanthoceratidae
Calycoceras paucinodatum
C category
Calycoceras spinosum (Wright and Wright 1951)
U category
Calycoceras bathyomphalum Kosmatt 1895
U category
Protacanthoceras sp. Spath 1923
R category
Acanthoceras sp. Neumayr 1875
U category
Cephalopoda - Ammonitida - Forbesiceratidae
Forbesiceras sp. Kossmat 1897
R category
Bivalvia - Myalinida - Inoceramidae
Inoceramus cf. etheridgei
Inoceramus cf. crippsi Mantell 1822
Bivalvia - Pectinida - Pectinidae
Pecten beaveri
Bivalvia - Arcida - Arcidae
Arcidae indet. Lamarck 1809
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]