Bergevika, Helgøya, Mjøsa Limestone (Ordovician to of Norway)

Also known as Bergvika. Bergsviken

Where: Nes-Hamar, Norway (60.8° N, 11.0° E: paleocoordinates 31.2° S, 9.5° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Bergevika Member (Mjøsa Limestone Formation), Keila to Keila (453.9 - 451.8 Ma)

• Mjøsa Limestone

• member-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks

Size classes: macrofossils, mesofossils

Primary reference: W. C. Sweet. 1958. The middle ordovician of the Oslo region, Norway 10. Nautiloid Cephalopods. Norsk Geologisk Tidsskrift 38:1-178 [B. Kröger/B. Kröger/B. Kröger]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 164008: authorized by Björn Kröger, entered by Björn Kröger on 23.11.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Leptostrophiidae
"Stropheodonta (Eostropheodonta) helgoeyensis" = Eostropheodonta4
"Stropheodonta (Eostropheodonta) helgoeyensis" = Eostropheodonta4
Cephalopoda
 Actinocerida - Ormoceratidae
Ormoceras kiaeri Sweet 1958
Trilobita
 Phacopida - Encrinuridae
Encrinurus sp.3 Emmrich 1844 trilobite
Atractopyge brevicauda3 Angelin 1854 trilobite
 Phacopida - Cheiruridae
Paraceraurus helgoeyensis3 Nikolaisen 1961 trilobite
 Asaphida - Asaphidae
Isotelus cf. platyrhachis1 Steinhardt 1874 trilobite
Anthozoa
 Lichenariida - Lyoporidae
"Liopora favosa" = Lyopora favosa2 McCoy 1850 tabulate coral
Eofletcheria subparallela2 Hill 1953 tabulate coral