Double Arches [Shenley Limestone]: Early/Lower Albian, United Kingdom
collected by Gale, Jarvis 1974

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Crinoidea - Cyrtocrinida - Sclerocrinidae
Torynocrinus canon Seeley 1866
120 specimens
Torynocrinus globosus n. sp. Hess and Gale 2010
11 specimens
Crinoidea - Roveacrinida - Roveacrinidae
Discocrinus integer n. sp. Hess and Gale 2010
3 specimens
recombined as Calvaticrinus integer
Crinoidea - Isocrinida - Isocrinidae
Balanocrinus smithi n. sp. Hess and Gale 2010
2223 specimens
Isocrinus legeri (Repelin 1899)
1466 specimens
Crinoidea - Cyclocrinidae
Cyclocrinus variolarius (Seeley 1866)
22 specimens
Crinoidea - Millericrinida - Apiocrinitidae
Apiocrinites gillieroni (de Loriol 1877)
294 specimens
see common names

Country:United Kingdom State/province:England
Coordinates: 51.9° North, 0.7° West (view map)
Paleocoordinates:40.5° North, 6.3° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Albian 10 m.y. bin:Cretaceous 4
Key time interval:Early/Lower Albian Ammonoid zone: Leymeriella regularis
Age range of interval:112.03000 - 109.00000 m.y. ago
Formation:Shenley Limestone
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: The Shenley Limestone is found at the contact between the clastic Lower Greensand and Gault Clay formations. AGE: Early Albian; Leymeriella regularis Subzone. STRATIGRAPHIC POSITION:
Lithology and environment
Primary lithology:glauconitic,pebbly lithified sandy wackestone
Lithology description: SPECIFIC LITHOLOGY: Wackestone with 10–30% quartz sand and occasional clasts of ironstone and glauconitized limestone pebbles. LITHIFICATION: Not explicitly stated, but probably lithified.
Environment:marine indet.
Modes of preservation:body,original calcite
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:bulk,surface (float),field collection
Reason for describing collection:taxonomic analysis
Museum repositories:BMNH
Collectors:Gale, Jarvis Collection dates:1974
Collection method comments: COLLECTOR: A. Gale, J. Jarvis, 1974. REPOSITORY: British Museum of Natural History (BMNH).
Taxonomic list comments:COVERAGE: Limited to crinoids, but other macroinvertebrate groups said to be present. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
Database number:161933
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2014-09-16 13:36:26 Last modified:2014-09-16 13:58:48
Access level:the public Released:2014-09-16 13:36:26
Creative Commons license:CC BY
Reference information

Primary reference:

52753. H. Hess and A. S. Gale. 2010. Crinoids from the Shenley Limestone (Albian) of Leighton Buzzard, Bedfordshire, UK. Journal of Systematic Palaeontology 8(3):427-447 [A. Hendy/A. Hendy]