Vol 31-40

Issue	Pages	Title	Authors

40
No records
2	81-121	The Middle Ordovician of the Oslo Region, Norway. 11. Pelecypoda.	Helen Soot-Ryen Tron Soot-Ryen	View
2	123-131	The Middle Ordovician of the Oslo Region, Norway. 12. Notostraca and Conchostraca.	Helen Soot-Ryen	View
3 4	203-258	The Middle Ordovician of the Oslo Region, Norway. 13. Trilobites of the family Asaphidae.	Gunnar Henningsmoen	View
39
No records
1	13-23	The double cardinal process in the oldest strophomenids	Nils Spjeldnæs	View
2 3	153-174	Rare tremadocian trilobites from Norway	Gunnar Henningsmoen	View
4	287-337	Structural geology of the Sokumvatn area, north Norway.	R.W.R. Rutland	View
38
No records
1	1-178	The Middle Ordovician of the Oslo Region, Norway. 10. Nautiloid Cephalopods.	Walter C. Sweet	View
37
No records
1	1-214	The Middle Ordovician of the Oslo Region, Norway. 8. Brachiopods of the Suborder Strophomenida.	Nils Spjeldnæs	View
2	215-228	The Middle Ordovician of the Oslo Region, Norway. 9. Brachiopods of the family Porambonitidae.	Nils Spjeldnæs	View
3 4	355-371	The silurian/ordovician border in the Oslo district.	Nils Spjeldnæs	View
36
No records
1	25-39	Surnadalssynklinalen. The Surnadal syncline, Central Norway.	Ivar Hernes	View
35
No records
	9-28	The Middle Ordovician of the Oslo Region, Norway. 5. The trilobite family Styginidae.	Steinar Skjeseth	View
	29-51	The Middle Ordovician of the Oslo Region, Norway. 6. Notes on bentonites (K-bentonites) from the Oslo-Asker district.	Fredrik Hagemann Nils Spjeldnæs	View
34
No records
2 3 4	123-137	Trondhjemsskifrene ved Molde.	Ivar Hernes	View
33
No records
1 2	1-40	The graptolite fauna of the Dictyonema Shales of the Oslo Region.	O.M.B. Bulman	View
1 2	41-68	Lower Ordovician ostracods from the Oslo Region, Norway.	Gunnar Henningsmoen	View
1 2	69-108	Upper Ordovician ostracods from the Oslo Region, Norway.	Gunnar Henningsmoen	View
32
No records
1	37-57	The Middle Ordovician of the Oslo Region, Norway. 4. Ostracoda.	Gunnar Henningsmoen	View
2 3 4	227	Notiser - Notes. Glossomorphites, a new generic name for Glossopsis Hessland, 1949, preoccupied. (Ostrocoda).	Ivar Hessland	View
31
No records
	37-142	The Middle Ordovician of the Oslo Region, Norway. 1. Introduction to stratigraphy.	Leif Størmer	View
	143-168	The Middle Ordovician of the Oslo Region, Norway. 2. Some Rugose and Tabula te Corals.	Dorothy Hill	View
	171-184	The Middle Ordovician of the Oslo Region, Norway. 3. Graptolites dating the Beds below the Middle Ordovician.	Nils Spjeldnæs	View