Stavnestangen, Bønsnes Fm. (Ordovician of Norway)

Where: Ringerike, Norway (66.8° N, 13.5° E: paleocoordinates 22.3° S, 8.7° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Bønsnes Formation, Pirgu (449.5 - 445.2 Ma)

• 5a in Henningsmoen, 1953

• formation-level stratigraphic resolution

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: D. L. Bruton and A. W. Owen. 1988. Norwegian Upper Ordovician illaenid trilobites. Norsk Geologisk Tidsskrift 68:241-258 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 162233: authorized by Björn Kröger, entered by Björn Kröger on 21.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Rhynchonellata
 Orthida - Dicoelosiidae
Dicoelosia inghami4 Wright 1968
Bivalvia
 Heteroconchia - Lipanellidae
Goniophorina volvens3 Isberg 1934 clam
 Modiomorphida - Modiomorphidae
Semicorallidomus whitfieldi3 Isberg 1934 clam
 Myalinida - Ambonychiidae
Cleionychia pulchella3 Lindstrom 1880 clam
Cleionychia corrugata3 Lindström 1880 clam
 Cyrtodontida - Cyrtodontidae
Cyrtodontula sp.3 Tomlin 1931 clam
Cephalopoda
 Pseudorthocerida - Spyroceratidae
 Endocerida - Endoceratidae
Endoceras sp.2 Hall 1847
Endoceras seticornium2 Strand 1934
 Orthocerida - Proteoceratidae
"Spyroceras alternestriatum" = Gorbyoceras alternestriatum2 Strand 1934
 Actinocerida - Armenoceratidae
 Oncocerida - Diestoceratidae
Diestoceras sp.2 Foerste 1924
Diestoceras stormeri2 Strand 1934
 Oncocerida - Polyelasmoceratidae
Codoceras dubium2 Strand 1934
 Oncocerida - Graciloceratidae
Ringoceras praecurvum2 Strand 1934
 Oncocerida - Oncoceratidae
"Beloitoceras heterocurvatum" = Richardsonoceras sinuososeptatum2, Cyrtorizoceras tenue2
"Beloitoceras heterocurvatum" = Richardsonoceras sinuososeptatum2 Roemer 1861
Cyrtorizoceras tenue2 Strand 1934
 Tarphycerida - Trocholitidae
"Discoceras antiquissimum" = Discoceras antiquissima2
"Discoceras antiquissimum" = Discoceras antiquissima2 Eichwald 1842
 Multiceratoidea - Apsidoceratidae
 Discosorida - Westonoceratidae
 Discosorida - Cyrtogomphoceratidae
"Protophragmoceras tyriense" = Strandoceras tyriense2
"Protophragmoceras tyriense" = Strandoceras tyriense2 Strand 1934
Ostracoda
 Palaeocopida - Oepikellidae
Platybolbina cf. elongata1 Krause 1891 ostracod
Platybolbina cf. plana1 Krause 1889 ostracod
 Palaeocopida - Eurychilinidae
Opikella frequens1 Steusloff 1894 ostracod
Opikella umbilicata1 Kummerow 1924 ostracod
 Palaeocopida - Tetradellidae
Kiesowia dissecta1 Krause 1892 ostracod
Opikium porkuniensis1 Henningsmoen 1953 ostracod
 Palaeocopida - Aparchitidae
Macronotella spp.1 Ulrich 1894 ostracod
Macronotella cf. praelonga1 Steusloff 1894 ostracod
 Palaeocopida - Primitiidae
Primitia osloensis1 Henningsmoen 1953 ostracod
 Palaeocopida - Bolliidae
Bollia duplex1 Krause 1892 ostracod
Trilobita
 Corynexochida - Illaenidae
"Stenopareia linnarssoni" = Illaenus linnarssoni
"Stenopareia linnarssoni" = Illaenus linnarssoni Holm 1882 trilobite
2 specimen