Vollen Fm., Oslo region, Norway (Ordovician of Norway)

Where: Norway (60.0° N, 11.0° E: paleocoordinates 31.6° S, 9.4° W)

• local area-level geographic resolution

When: Vollen Formation, Late/Upper Llandeilo (461.1 - 458.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, calcareous limestone and shale

• Rhythmically interbedded limestone interbedded with calcareous shales and nodular limestone

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

Purpose of describing collection: taxonomic analysis

PaleoDB collection 3250: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 27.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• 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
Show authors, comments, and common names
Ostracoda
 Palaeocopida - Ctenonotellidae
Steusloffia sp.
Steusloffia sp. Ulrich and Bassler 1908 ostracod
 Palaeocopida -
Ullerella sp., Piretopsis sp.
Ullerella sp. ostracod
Piretopsis sp. ostracod
Trilobita
 Phacopida - Encrinuridae
Atractopyge sp.
Atractopyge sp. Hawle and Corda 1847 trilobite
 Phacopida - Cheiruridae
Hemisphaerocoryphe sp., Nieszkowskia sp., Cyrtometopella sp.
Hemisphaerocoryphe sp. Reed 1896 trilobite
Nieszkowskia sp. Schmidt 1881 trilobite
Cyrtometopella sp. Nikolaisen 1961 trilobite
 Phacopida - Pterygometopidae
Scopelochasmops sp., Chasmops sp., Bolbochasmops sp.
Scopelochasmops sp. McNamara 1980 trilobite
Chasmops sp. M'Coy 1849 trilobite
Bolbochasmops sp. McNamara 1980 trilobite
 Trinucleida - Trinucleidae
Reedolithus sp., Botrioides sp.
Reedolithus sp. Bancroft 1929 trilobite
Botrioides sp. Stetson 1927 trilobite
 Asaphida - Remopleurididae
Remopleurides sp., Robergia sp., Sculptella sp., "Sculptaspis sp." = Brachypleura
Remopleurides sp. Portlock 1843 trilobite
Robergia sp. Wiman 1905 trilobite
Sculptella sp. Nikolaisen 1952 trilobite
"Sculptaspis sp." = Brachypleura Angelin 1854 trilobite
 Asaphida - Asaphidae
? Ogygiocaris sp., Pseudoasaphus sp., Ogmasaphus sp., Pseudobasilicus sp., Asaphus sp.
? Ogygiocaris sp. Angelin 1854 trilobite
originally entered as "Ogygiocaris? sp."
Pseudoasaphus sp. Schmidt 1901 trilobite
Ogmasaphus sp. Jaanusson 1953 trilobite
Pseudobasilicus sp. Reed 1930 trilobite
Asaphus sp. Brongniart 1822 trilobite
 Corynexochida - Styginidae
Raymondaspis sp., Bronteopsis sp.
Raymondaspis sp. Pribyl 1948 trilobite
Bronteopsis sp. Nicholson and Etheridge 1879 trilobite
 Proetida - Telephinidae
Telephina sp.
Telephina sp. Marek 1952 trilobite
Strophomenata
 Strophomenida - Grorudiidae
Grorudia sp., Grorudia sp.
Grorudia sp. Spjeldnaes 1957
Grorudia sp. Spjeldnaes 1957
originally entered as "Alwynella sp."
 Strophomenida - Christianiidae
Christiania sp.
Christiania sp. Hall and Clarke 1892
 Strophomenida - Leptellinidae
Leptelloidea sp.
Leptelloidea sp. Jones 1928
 Strophomenida - Furcitellidae
? Oepikina sp.
? Oepikina sp. Salmon 1942
originally entered as "Oepikina? sp."
Bivalvia
 Solenida - Konduriidae
Palaeosolen sp.
Palaeosolen sp. Hall 1845 clam
 Cyrtodontida - Cyrtodontidae
Cyrtodontula sp.
Cyrtodontula sp. Tomlin 1931 clam
Gastropoda
 Bellerophontida - Tropidodiscidae
Tropidodiscus sp.
Tropidodiscus sp. Meek and Worthen 1866 snail
 Bellerophontida - Sinuitidae
Sinuites sp.
Sinuites sp. Koken 1896 snail
 Bellerophontida - Bucaniidae
? Bucania sp.
? Bucania sp. Hall 1847 snail
originally entered as "Bucania? sp."
 Euomphalina - Lesueurillidae
Pararaphistoma sp.
Pararaphistoma sp. Vostokova 1955 snail
Cephalopoda
 Endocerida - Endoceratidae
? Vaginoceras sp., Endoceras sp.
? Vaginoceras sp. Hyatt 1884
originally entered as "Vaginoceras? sp."
Endoceras sp. Hall 1847
 Lituitida - Lituitidae
Angelinoceras sp., Ancistroceras sp., Trilacinoceras sp., Lituites sp.
Angelinoceras sp. Hyatt 1894
Ancistroceras sp. Remele 1881
Trilacinoceras sp. Sweet 1958
Lituites sp. Bertrand 1763
 Tarphycerida - Trocholitidae
Discoceras sp.
Discoceras sp. Barrande 1867
 Rhombifera - Echinosphaeritidae
Echinosphaerites sp.
Echinosphaerites sp. Wahlenberg 1818
Eocrinoidea
 Trachelocrinida - Heckerocrinidae
"Bockia sp." = Heckerocrinus
"Bockia sp." = Heckerocrinus Doweld 2012
 Sphaeronitida - Sphaeronitidae
Haplosphaeronis sp.
Haplosphaeronis sp. Jaekel 1926