Las Arroyacas Formation type area: Wenlock - Ludlow, Spain

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Strophomenida - Eopholidostrophiidae
Mesopholidostrophia sp. Williams 1950
Strophomenata - Strophomenida - Leptostrophiidae
Aphanomena sp. Bergstrom 1968
synonym of Eostropheodonta
Strophomenata - Strophomenida - Rafinesquinidae
Leptaena ex gr. depressa (Sowerby 1824)
recombined as Leptaena (Leptaena) depressa
Strophomenata - Strophomenida
Strophochonetes informal sp. 5 Muir-Wood 1962
Strophomenata - Orthotetida - Chilidiopsidae
Morinorhynchus sp. Havlicek 1965
Rhynchonellata - Rhynchonellida - Camarotoechiidae
Plagiorhyncha ex gr. glassi
Rhynchonellata - Orthida - Dalmanellidae
Protocortezorthis sp.
Rhynchonellata - Orthida - Proschizophoriidae
Baturria sp.
Baturria pini
Rhynchonellata - Spiriferida - Cyrtiidae
Striispirifer sp. Cooper and Muir-Wood 1951
Rhynchonellata - Athyridida - Meristidae
Merista sp. Suess 1851
Pterobranchia - Graptoloidea
Monograptus uncinatus Tullberg 1883
recombined as Uncinatograptus uncinatus
Pterobranchia - Graptoloidea - Monograptidae
Monograptus fritschi
Pterobranchia - Graptoloidea - Cyrtograptidae
Cyrtograptus sp.
see common names

Geography
Country:Spain State/province:Palencia
Coordinates: 43.0° North, 0.9° West (view map)
Paleocoordinates:65.2° South, 51.3° East
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period:Silurian
10 m.y. bin:Silurian 2
Key time interval:Wenlock - Ludlow
Age range of interval:433.40000 - 423.00000 m.y. ago
Stratigraphy
Geological group:Suertes Formation:Las Arroyacas-Bachtal
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: "shale"
Secondary lithology:fine sandstone
Lithology description: [490 m. thick alternation of shales and fine-grained sandstones...]
Environment:marine indet.
Taphonomy
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:40345
Authorizer:M. Foote Enterer:M. Foote
Modifier:M. Foote Research group:marine invertebrate
Created:2004-06-22 07:18:37 Last modified:2006-09-13 14:01:03
Access level:the public Released:2004-06-22 07:18:37
Creative Commons license:CC BY
Reference information

Primary reference:
10892. H. Jahnke, A. Henn, H. Mader and J. Schweineberg. 1983. Silur und Devon im Arauz-Gebiet (Prov. Palencia, N-Spanien). Newsletters on Stratigraphy 13(1):40-66 [M. Foote/M. Foote/M. Foote]