Vollen Fm., Oslo region, Norway: Late/Upper Llandeilo, Norway

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Sphaeronitidae
Haplosphaeronis sp. Jaekel 1926
Rhombifera - Echinosphaeritidae
Echinosphaerites sp. Wahlenberg 1818
Eocrinoidea - Trachelocrinida - Heckerocrinidae
Bockia sp. Hecker 1938
replaced by Heckerocrinus
Strophomenata - Strophomenida - Grorudiidae
Grorudia sp. Spjeldnaes 1957
originally entered as "Alwynella sp."
Grorudia sp. Spjeldnaes 1957
Strophomenata - Strophomenida - Christianiidae
Christiania sp. Hall and Clarke 1892
Strophomenata - Strophomenida - Leptellinidae
Leptelloidea sp. Jones 1928
Strophomenata - Strophomenida - Furcitellidae
? Oepikina sp. (Salmon 1942)
original and current combination Opikina
originally entered as "Oepikina? sp."
Bivalvia - Cyrtodontida - Cyrtodontidae
Cyrtodontula sp. Tomlin 1931
Bivalvia - Solenida - Konduriidae
Palaeosolen sp. Hall 1845
Cephalopoda - Tarphycerida - Trocholitidae
Discoceras sp. Barrande 1867
Cephalopoda - Lituitida - Lituitidae
Trilacinoceras sp. Sweet 1958
Ancistroceras sp. (Remele 1881)
Strombolituites
Lituites sp. Bertrand 1763
Angelinoceras sp. Hyatt 1894
Cephalopoda - Endocerida - Endoceratidae
Endoceras sp. Hall 1847
? Vaginoceras sp. Hyatt 1884
originally entered as "Vaginoceras? sp."
Gastropoda - Bellerophontida - Tropidodiscidae
Tropidodiscus sp. Meek and Worthen 1866
Gastropoda - Bellerophontida - Sinuitidae
Sinuites sp. Koken 1896
Gastropoda - Bellerophontida - Bucaniidae
? Bucania sp. Hall 1847
originally entered as "Bucania? sp."
Gastropoda - Euomphalina - Lesueurillidae
Pararaphistoma sp. Vostokova 1955
Ostracoda - Palaeocopida
Piretopsis sp.
Ullerella sp.
Ostracoda - Beyrichicopida - Ctenonotellidae
Steusloffia sp. Ulrich and Bassler 1908
Trilobita - Trinucleida - Trinucleidae
Botrioides sp. Stetson 1927
Reedolithus sp. Bancroft 1929
Trilobita - Asaphida - Asaphidae
Pseudobasilicus sp. Reed 1930
Asaphus sp. Brongniart 1822
Ogmasaphus sp. Jaanusson 1953
? Ogygiocaris sp. Angelin 1854
originally entered as "Ogygiocaris? sp."
Pseudoasaphus sp. Schmidt 1901
Trilobita - Asaphida - Remopleurididae
Sculptaspis sp. Nikolaisen 1983
synonym of Brachypleura
Remopleurides sp. Portlock 1843
Sculptella sp. Nikolaisen 1952
Robergia sp. Wiman 1905
Trilobita - Corynexochida - Styginidae
Bronteopsis sp. Nicholson and Etheridge 1879
Raymondaspis sp. Pribyl 1948
Trilobita - Phacopida - Pterygometopidae
Chasmops sp. M'Coy 1849
Scopelochasmops sp. McNamara 1980
Bolbochasmops sp. McNamara 1980
Trilobita - Phacopida - Encrinuridae
Atractopyge sp. Hawle and Corda 1847
Trilobita - Phacopida - Cheiruridae
Cyrtometopella sp. Nikolaisen 1961
Hemisphaerocoryphe sp. Reed 1896
Nieszkowskia sp. Schmidt 1881
Trilobita - Proetida - Telephinidae
Telephina sp. Marek 1952
see common names

Geography
Country:Norway
Coordinates: 60.0° North, 11.0° East (view map)
Paleocoordinates:31.6° South, 9.4° West
Geographic resolution:local area
Time
Period:Ordovician Epoch:Middle Ordovician
Stage:Darriwilian 10 m.y. bin:Ordovician 3
*Period:Middle Ordovician *Epoch:Late/Upper Llandeilo
Key time interval:Late/Upper Llandeilo
Age range of interval:461.30000 - 458.40000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Vollen
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: lithified calcareous "limestone"
Secondary lithology: "shale"
Environment:deep subtidal shelf
Geology comments: Rhythmically interbedded limestone interbedded with calcareous shales and nodular limestone
Taphonomy
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Several systematic articles on various groups (trilobites, bryozoans, and cystoids), plus additional papers in the journal Norsk Geologisk Tidsskrift on the Middle Ordovician of the Oslo-Asker region
Metadata
Database number:3250
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Research group:marine invertebrate
Created:1999-07-27 20:27:59 Last modified:1999-07-27 23:27:59
Access level:the public Released:2000-11-20 13:53:18
Creative Commons license:CC BY
Reference information

Primary reference:

117. J. F. Bockelie. 1984. The Diploporita of the Oslo region, Norway. Palaeontology 27(1):1-68 [A. Miller/P. Novack-Gottshall/B. Kröger]