Norsk Geologisk Tidsskrift

Notes on some fish remains collected at Hornsund by the Norwegian Spitzbergen Expedition in 1917 - 1918

On the Paleozoic series of Bear Island, especially on the Heclahook system - 1920

A Lower Ordovician fauna from the Smøla Island, Norway - 1932

The Pentameracea of the Oslo region being a description of the Kiaer collection of pentamerids - 1938

The Middle Ordovician of the Oslo Region, Norway 2. Some Rugose and Tabulate Corals. - 1953

The Middle Ordovician of the Oslo region, Norway - 1953

Silurian ostracods from the Oslo region, Norway. l. Beyrichiacea. With a revision of the Beyrichiidae - 1954

Middle Cambrian stratigraphy in the Röyken area, Oslo region - 1954

The Middle Ordovician of the Oslo region, Norway 5. The Trilobite Family Styginidae - 1955

The Middle Ordovician of the Oslo Region, Norway. 8. Brachiopods of the Suborder Strophomenida - 1957

The middle ordovician of the Oslo region, Norway 10. Nautiloid Cephalopods - 1958

The Middle Ordovician of the Oslo region, Norway: 12, Notostraca and Conchastraca - 1960

The Middle Ordovician of the Oslo region, Norway: 11, Pelecypoda - 1960

The Species Streptis Monilifera (M'Coy) - 1960

A new silicified coral from the Upper Ordovician of the Oslo Region - 1961

Early Ordovician gastropods from the Oslo Region, Norway - 1962

A new scorpion from the Upper Carboniferous of Siberia - 1963

The Middle Ordovician of the Oslo Region, Norway. 15. Monoplacophora and Gastropoda - 1963

Gastropods from the Otta Conglomerate - 1963

The middle Ordovician of the Oslo region, Norway 19. The trilobite family Odontopleuridae - 1965

The Middle Ordovician of the Oslo region, Norway. 18. Rare trilobites of the families Olenidae, Harpidae, Ityophoridae and Cheiruridae - 1965

The Occurrence of Streptis (Brachiopoda) in the Ordovician of the inner Oslo Fjord - 1965

Fragments of a Middle Jurassic flora from Northern Trondelag, Norway - 1970

The middle Ordovician of the Oslo region, Norway 23. The Triolobite Family Proetidae - 1970

Ordovician Proetidae (Trilobita) from Scandinavia - 1973

An amorphognathoides Zone conodont fauna from the Silurian of the Ringerike area, South Norway - 1974

Thelodonts from the upper Silurian of Ringerike, Norway - 1974

Thelodonts from the upper Silurian of Ringerike, Norway - 1974

New lower Palaeozoic streptelasmatid corals from Scandinavia - 1975

Upper Ordovician bivalves from the Oslo Region, Norway - 1975

Redescription of a Lower Cambrian eodiscid trilobite from Norway - 1976

Two new gastropod genera from the Lower Silurian of the Oslo Region, Norway - 1976

The Middle Ordovician of the Oslo Region, Norway, 27. Trilobites of the Family Calymenidae - 1976

Monoplacophora (Mollusca) from the Upper Ordovician of Norway - 1977

The upper Ordovician succession at Norderhov and on Frognøya in Ringerike, Norway - 1978

The trilobite genera Panarchaeogonus Opik, Isbergia Warburg and Cyamops gen. nov. from the Ordovician of Balto-Scandia and the British Isles - 1978

Late Caradoc - early Asghill trilobite distribution in the central Oslo Region, Norway - 1979

Platysolenites, other animal fossils, and the Precambrian-Cambrian transition in Norway - 1979

The presence of a bothriocidarid (Echinoid) in the Ordovician of Norway - 1980

Late Ordovician bryozoa from Ringerike, Norway - 1980

Larval development, musculature, and relationships of Sinuitopsis and related Baltic bellerophonts - 1981

The Middle Ordovician of the Oslo Region, Norway, 31. The upper Caradoc trilobites and brachiopods from Vestbraten, Ringerike - 1982

Find of a nearly complete late Weichselian polar bear skeleton, Ursus maritimus Phipps, at Finnoy, southwestern Norway - 1983

The Middle Ordovician of the Oslo Region, Norway, 32. Trilobites of the family Remopleurididae - 1983

Scenella barrandei (Mollusca) from the Middle Cambrian of Baltoscandia - 1986

Biostratigraphy of key brachiopod lineages from the Llandovery Series (Lower Silurian) of the Oslo Region - 1988

Norwegian Upper Ordovician illaenid trilobites - 1988

The Ordovician trilobite genus Robergia Wiman, 1905 and some other species hitherto included - 1991

Permian stratigraphy of the Svalis Dome south-western Barents Sea - 1996

Upper Ordovician - Lower Silurian strata and biota from offshore South Norway - 1997

Bucaniidae (Gastropoda) from the Upper Ordovician of Norway - 1999

Homeomorphic gastropods from the Silurian of Norway, Estonia and Bohemia - 1999

Trilobites of the Hagastrand Member (Tøyen Formation, lowermost Arenig) from tbe Oslo Region, Norway, Part 1: Asaphidae - 1999

Isostrophic molluscs (Tergomya and Gastropoda) from the Upper Ordovician of Norway - 2000

Clitambonitoid brachiopods from the Middle and Upper Ordovician of the Oslo Region, Norway - 2000