Cambrian (Series 3 – Furongian) conodonts from the Alum Shale Formation at Slemmestad, Oslo Region, Norway

Katarina Skagestad Kleppe; Hans Arne Nakrem; Svend Stouge

doi:10.17850/njg98-1-04

Cambrian (Series 3 – Furongian) conodonts from the Alum Shale Formation at Slemmestad, Oslo Region, Norway

Katarina Skagestad Kleppe, Hans Arne Nakrem, Svend Stouge

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Abstract

Nine samples from the Alum Shale of Slemmestad, Oslo Region, were processed for conodonts. The limestone-rich interval extending from the mid Cambrian Paradoxides paradoxissimus trilobite Zone to the Lower Ordovician Boeckaspis trilobite Zone yielded a sparse conodont fauna. The fauna is dominated by the protoconodont species Phakelodus elongatus (Zhang in An et al., 1983) and Phakelodus tenuis Müller, 1959, the paraconodont species Westergaardodina polymorpha Müller & Hinz, 1991, Westergaardodina ligula Müller & Hinz, 1991, Problematoconites perforatus Müller, 1959 and Trolmenia acies Müller & Hinz, 1991; the euconodont species Cordylodus proavus Müller, 1959 is present in the Acerocarina Superzone. The presence of the cosmopolitan Cordylodus proavus Müller, 1956 at Slemmestad provides an important tie for regional and international correlation.

Original language	English
Journal	Norsk Geologisk Tidsskrift
Volume	98
Pages (from-to)	41-53
ISSN	2387-5844
DOIs	https://doi.org/10.17850/njg98-1-04
Publication status	Published - 2018

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@article{568aca53164b4ba8b5dd550097bc5edf,

title = "Cambrian (Series 3 – Furongian) conodonts from the Alum Shale Formation at Slemmestad, Oslo Region, Norway",

abstract = "Nine samples from the Alum Shale of Slemmestad, Oslo Region, were processed for conodonts. The limestone-rich interval extending from the mid Cambrian Paradoxides paradoxissimus trilobite Zone to the Lower Ordovician Boeckaspis trilobite Zone yielded a sparse conodont fauna. The fauna is dominated by the protoconodont species Phakelodus elongatus (Zhang in An et al., 1983) and Phakelodus tenuis M{\"u}ller, 1959, the paraconodont species Westergaardodina polymorpha M{\"u}ller & Hinz, 1991, Westergaardodina ligula M{\"u}ller & Hinz, 1991, Problematoconites perforatus M{\"u}ller, 1959 and Trolmenia acies M{\"u}ller & Hinz, 1991; the euconodont species Cordylodus proavus M{\"u}ller, 1959 is present in the Acerocarina Superzone. The presence of the cosmopolitan Cordylodus proavus M{\"u}ller, 1956 at Slemmestad provides an important tie for regional and international correlation.",

author = "Kleppe, {Katarina Skagestad} and Nakrem, {Hans Arne} and Svend Stouge",

year = "2018",

doi = "10.17850/njg98-1-04",

language = "English",

volume = "98",

pages = "41--53",

journal = "Norsk Geologisk Tidsskrift",

issn = "2387-5844",

publisher = "Geological Society of Norway",

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TY - JOUR

T1 - Cambrian (Series 3 – Furongian) conodonts from the Alum Shale Formation at Slemmestad, Oslo Region, Norway

AU - Kleppe, Katarina Skagestad

AU - Nakrem, Hans Arne

AU - Stouge, Svend

PY - 2018

Y1 - 2018

N2 - Nine samples from the Alum Shale of Slemmestad, Oslo Region, were processed for conodonts. The limestone-rich interval extending from the mid Cambrian Paradoxides paradoxissimus trilobite Zone to the Lower Ordovician Boeckaspis trilobite Zone yielded a sparse conodont fauna. The fauna is dominated by the protoconodont species Phakelodus elongatus (Zhang in An et al., 1983) and Phakelodus tenuis Müller, 1959, the paraconodont species Westergaardodina polymorpha Müller & Hinz, 1991, Westergaardodina ligula Müller & Hinz, 1991, Problematoconites perforatus Müller, 1959 and Trolmenia acies Müller & Hinz, 1991; the euconodont species Cordylodus proavus Müller, 1959 is present in the Acerocarina Superzone. The presence of the cosmopolitan Cordylodus proavus Müller, 1956 at Slemmestad provides an important tie for regional and international correlation.

AB - Nine samples from the Alum Shale of Slemmestad, Oslo Region, were processed for conodonts. The limestone-rich interval extending from the mid Cambrian Paradoxides paradoxissimus trilobite Zone to the Lower Ordovician Boeckaspis trilobite Zone yielded a sparse conodont fauna. The fauna is dominated by the protoconodont species Phakelodus elongatus (Zhang in An et al., 1983) and Phakelodus tenuis Müller, 1959, the paraconodont species Westergaardodina polymorpha Müller & Hinz, 1991, Westergaardodina ligula Müller & Hinz, 1991, Problematoconites perforatus Müller, 1959 and Trolmenia acies Müller & Hinz, 1991; the euconodont species Cordylodus proavus Müller, 1959 is present in the Acerocarina Superzone. The presence of the cosmopolitan Cordylodus proavus Müller, 1956 at Slemmestad provides an important tie for regional and international correlation.

U2 - 10.17850/njg98-1-04

DO - 10.17850/njg98-1-04

M3 - Journal article

SN - 2387-5844

VL - 98

SP - 41

EP - 53

JO - Norsk Geologisk Tidsskrift

JF - Norsk Geologisk Tidsskrift

ER -

Cambrian (Series 3 – Furongian) conodonts from the Alum Shale Formation at Slemmestad, Oslo Region, Norway

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