P9, Bearreraig Bay: Aalenian, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polypodiopsida - Gleicheniales - Matoniaceae
? Phlebopteris sp. Brongniart 1836
Equisetopsida - Araucariaceae
? Araucarites sp. Presl 1833
Brachyphyllum cf. mamillare Brongniart 1828
Coniferales - Cupressaceae
cf. Taxodioxylon sp. Hartig 1848
Bennettitales
cf. Otozamites penna
cf. Cycadolepis sp. Saporta 1875
see common names

Geography
Country:United Kingdom State/province:Scotland
Coordinates: 57.5° North, 6.1° West (view map)
Paleocoordinates:45.9° North, 4.6° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Aalenian 10 m.y. bin:Jurassic 3
*Period:Middle Jurassic
Key time interval:Aalenian
Age range of interval:174.70000 - 170.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Bearreraig Sandstone Member:Udairn Shale
Local bed:P9
Stratigraphic resolution:bed
Stratigraphy comments: Contained within a 120-m thick central portion of the Bearreraig Sandstone Formation, estimated by the authors to represent 10 million years
Lithology and environment
Primary lithology: sandstone
Lithology description: plant remains are preserved in calcareous nodules within marine sandstones
Environment:marine indet.
Taphonomy
Modes of preservation:adpression,permineralized,charcoalification,replaced with pyrite
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:all microfossils
Collection methods:surface (in situ),field collection
Reason for describing collection:paleoecologic analysis
Taxonomic list comments:The records for 'Taxodioxylon' and 'Brachyphyllum cf. mamillare' represent the following from Fig.1 of Bateman et al.: "Large woody axes (mostly cf. Taxodioxylon)", "Unidentified wood fragments (?mostly cf. Taxodioxylon)", and "Leafy shoots (mostly Brachyphyllum cf. mamillare)".
Metadata
Database number:24363
Authorizer:A. Rees Enterer:A. Rees
Modifier:A. Rees Research group:paleobotany
Subset of collection #:24350
Created:2002-08-05 15:51:32 Last modified:2002-08-05 18:51:34
Access level:the public Released:2002-08-05 15:51:32
Creative Commons license:CC BY
Reference information

Primary reference:
6879.PGAP R. M. Bateman, N. Morton, and B.L. Dower. 2000. Early Middle Jurassic plant communities in Northwest Scotland: Paleoecological and paleoclimatic significance. GeoResearch Forum 6:501-512 [A. Rees/A. Rees/A. Rees]