Ophiuroids, Muschelkalk, Lower Anisian, Polichno, Holy cross mountains, Poland: Anisian, Poland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Ophiuroidea - Ophiurida - Aplocomidae
Arenorbis squamosus (Picard 1858)
130 specimens
Ophiuroidea - Ophiurida - Ophiuridae
? Ophiomusium simile (Eck 1865)
1 specimen
recombined as Aspiduriella similis
rare
Aspiduriella ludeni (von Hagenow 1851)
17 individuals
17 complete individuals and many arms
see common names

Geography
Country:Poland State/province:Silesia County:Checiny
Coordinates: 50.8° North, 20.4° East (view map)
Paleocoordinates:19.3° North, 25.0° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Triassic Epoch:Middle Triassic
Stage:Anisian 10 m.y. bin:Triassic 2
*Period:Middle Triassic - Middle Triassic
*International age/stage:Early/Lower Anisian - Early/Lower Anisian
Key time interval:Anisian
Age range of interval:247.20000 - 242.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Local bed:Lukowa beds
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:current ripples,flute casts lithified "limestone"
Includes fossils?Y
Environment:shallow subtidal indet. Tectonic setting:cratonic basin
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Articulated whole bodies:many
Associated major elements:many
Temporal resolution:snapshot
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:32083
Authorizer:L. Villier Enterer:L. Villier, J. Millet
Modifier:L. Villier Research group:marine invertebrate
Created:2003-06-04 08:34:18 Last modified:2006-02-01 07:27:59
Access level:the public Released:2003-06-04 08:34:18
Creative Commons license:CC BY
Reference information

Primary reference:

8620. A. Radwanski. 2002. Triassic brittlestar beds of Poland: a case of Aspidurella ludeni (v. Hagenow, 1846) and Arenorbis squamosus (E. Picard, 1858). Acta geologica Polonica 52(4):395-410 [L. Villier/L. Villier/A. Hendy]