Arnestad Formation assemblage, Oslo and Ringerike, Norway (Ordovician to of Norway)

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

• local area-level geographic resolution

When: Arnestad Formation, Soudleyan to Soudleyan (458.4 - 454.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified shale and limestone

• Dark, thick-bedded shale intercalated with minor limestone

Primary reference: A. I. Miller. 1993. Unpublished notes on Norwegian Ordovician fossil occurrences compiled from various resources, primarily from the series of papers on taxa of the Middle Ordovician on the Oslo-Asker District, published in Norsk Geologisk Tidsskrift. [A. Miller/P. Novack-Gottshall/M. Uhen]more details

PaleoDB collection 2945: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 22.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• Compiled from several published references; not listed in Arnold I. Miller's notebooks
Show authors, comments, and common names
unclassified
  -
? Triptoceras sp.
? Triptoceras sp.
originally entered as "Triptoceras? sp."
 Rhombifera - Echinosphaeritidae
Echinosphaerites sp.
Echinosphaerites sp. Wahlenberg 1818
Cephalopoda
 Lituitida - Sinoceratidae
? Rhynchorthoceras sp.
? Rhynchorthoceras sp. Remelé 1882
originally entered as "Rhynchorthoceras? sp."
 Dissidocerida - Geisonoceratidae
? Protokionoceras sp.
? Protokionoceras sp. Grabau and Shimer 1910
originally entered as "Protokionoceras? sp."
 Orthocerida - Proteoceratidae
? Gorbyoceras sp.
? Gorbyoceras sp. Shimizu and Obata 1935
originally entered as "Gorbyoceras? sp."
 Orthocerida - Kionoceratidae
? Kionoceras sp., ? Polygrammoceras sp.
? Kionoceras sp. Hyatt 1884
originally entered as "Kionoceras? sp."
? Polygrammoceras sp. Foerste 1927
originally entered as "Polygrammoceras? sp."
 Orthocerida - Orthoceratidae
Ctenoceras sp.
Ctenoceras sp. Noetling 1884
 Endocerida - Endoceratidae
Endoceras sp.
Endoceras sp. Hall 1847
 Oncocerida - Oncoceratidae
Beloitoceras sp.
Beloitoceras sp. Foerste 1924
Gastropoda
 Euomphalina - Lesueurillidae
Pararaphistoma sp.
Pararaphistoma sp. Vostokova 1955 snail
 Bellerophontida - Bellerophontidae
Cymbularia sp.
Cymbularia sp. Koken 1896 snail
 Bellerophontida - Bucaniidae
Kokenospira sp.
Kokenospira sp. Bassler 1915 snail
 Bellerophontida - Sinuitidae
Sinuites sp.
Sinuites sp. Koken 1896 snail
 Murchisoniina - Gosseletinidae
Latitaenia sp.
Latitaenia sp. Koken and Perner 1925 snail
Bivalvia
 Solemyida - Ctenodontidae
Ctenodonta sp.
Ctenodonta sp. Salter 1852 clam
 Modiomorphida - Modiomorphidae
? Cymatonota sp.
? Cymatonota sp. Ulrich 1893 clam
originally entered as "Cymatonota? sp."
 Myalinida - Ambonychiidae
Cleionychia sp.
Cleionychia sp. Ulrich 1892 clam
 Cyrtodontida - Cyrtodontidae
Cyrtodontula sp.
Cyrtodontula sp. Tomlin 1931 clam
Rhynchonellata
 Pentamerida - Porambonitidae
Porambonites sp.
Porambonites sp. Pander 1830
 Atrypida - Protozygidae
? Protozyga sp.
? Protozyga sp. Hall and Clarke 1893
originally entered as "Protozyga? sp."
 Orthida - Glyptorthidae
Glyptorthis sp.
Glyptorthis sp. Foerste 1914
 Orthida - Hesperorthidae
Dolerorthis sp.
Dolerorthis sp. Schuchert and Cooper 1931
 Orthida - Productorthidae
Nicolella sp.
Nicolella sp. Reed 1917
 Orthida - Platystrophiidae
Platystrophia sp.
 Orthida - Rhactorthidae
Rhactorthis sp.
Rhactorthis sp. Williams 1963
 Orthida - Cremnorthidae
Cremnorthis sp.
Cremnorthis sp. Williams 1963
 Orthida - Dalmanellidae
Dalmanella sp., Onniella sp.
Dalmanella sp. Hall and Clarke 1892
Onniella sp. Bancroft 1928
 Protorthida - Skenidiidae
Skenidioides sp.
Skenidioides sp. Schuchert and Cooper 1931
Strophomenata
 Strophomenida - Strophomenidae
Strophomena sp., Gunnarella sp.
Strophomena sp. Rafinesque and De Blainville 1824
Gunnarella sp. Spjeldnaes 1957
 Strophomenida - Rafinesquinidae
Leptaena sp., Kiaeromena sp., Kjerulfina sp., Rafinesquina sp., Hedstroemina sp.
Leptaena sp. Dalman 1828
Kiaeromena sp. Spjeldnaes 1957
Kjerulfina sp. Bancroft 1929
Rafinesquina sp. Hall and Clarke 1892
Hedstroemina sp. Bancroft 1929
 Strophomenida - Furcitellidae
? Oepikina sp., Oslomena sp.
? Oepikina sp. Salmon 1942
originally entered as "Oepikina? sp."
Oslomena sp. Spjeldnaes 1957
 Strophomenida - Glyptomenidae
Glyptomena sp.
Glyptomena sp. Cooper 1956
 Strophomenida - Bimuriidae
Bimuria sp.
Bimuria sp. Ulrich and Cooper 1942
 Strophomenida - Aegiromenidae
Chonetoidea sp.
Chonetoidea sp. Jones 1928
 Strophomenida - Leptellinidae
Leptellina sp.
Leptellina sp. Ulrich and Cooper 1936
 Strophomenida - Leptestiidae
"Diambonia sp." = Leangella, Leptestiina sp.
"Diambonia sp." = Leangella Opik 1933
Leptestiina sp. Opik 1933
 Strophomenida - Sowerbyellidae
Ptychoglyptus sp., Anisopleurella sp., ? Sowerbyella sp., Eoplectodonta sp.
Ptychoglyptus sp. Willard 1928
Anisopleurella sp. Cooper 1956
? Sowerbyella sp. Jones 1928
originally entered as "Sowerbyella? sp."
Eoplectodonta sp. Kozlowski 1929
 Strophomenida - Grorudiidae
? Grorudia sp.
? Grorudia sp. Spjeldnaes 1957
originally entered as "Grorudia? sp."
 Strophomenida - Christianiidae
Christiania sp.
Christiania sp. Hall and Clarke 1892
 Orthotetida - Triplesiidae
Triplesia sp., Oxoplecia sp.
Triplesia sp. Hall 1859
Oxoplecia sp. Wilson 1913
 Billingsellida - Gonambonitidae
Kullervo sp.
Kullervo sp. Opik 1932
Trilobita
 Proetida - Telephinidae
Telephina sp.
Telephina sp. Marek 1952 trilobite
 Proetida - Rorringtoniidae
Rorringtonia sp.
Rorringtonia sp. Whittard 1966 trilobite
 Proetida - Tropidocoryphidae
Decoroproetus sp.
Decoroproetus sp. Pribyl 1946 trilobite
 Trinucleida - Trinucleidae
Reedolithus sp.
Reedolithus sp. Bancroft 1929 trilobite
 Asaphida - Remopleurididae
Remopleurides sp., "Sculptaspis sp." = Brachypleura
Remopleurides sp. Portlock 1843 trilobite
"Sculptaspis sp." = Brachypleura Angelin 1854 trilobite
 Asaphida - Asaphidae
Asaphus sp.
Asaphus sp. Brongniart 1822 trilobite
 Phacopida - Calymenidae
Flexicalymene sp., "Pharostoma sp." = Prionocheilus, Gravicalymene sp.
Flexicalymene sp. Shirley 1936 trilobite
"Pharostoma sp." = Prionocheilus Rouault 1847 trilobite
Gravicalymene sp. Shirley 1936 trilobite
 Phacopida - Cheiruridae
Cyrtometopella sp., Hemisphaerocoryphe sp., Nieszkowskia sp.
Cyrtometopella sp. Nikolaisen 1961 trilobite
Hemisphaerocoryphe sp. Reed 1896 trilobite
Nieszkowskia sp. Schmidt 1881 trilobite
 Phacopida - Encrinuridae
Atractopyge sp.
Atractopyge sp. Hawle and Corda 1847 trilobite