Abstract
A small trilobite fauna is described from the Wandel Valley Formation of Kronprins Christian land, eastern North Greenland. It has a specific composition identical to the fauna from the Catoche Formation, western Newfoundland, which is typical of the shallow water bathyurid biofacies of the eastern part of the Ordovician Laurentian palaeocontinent. The fauna is of early Ordovician age, trilobite Zone H, equivalent to the early Arenig.
Highlights
Valdemar GluckstadtThe fauna provides areliable correlation for the Amdrup Member of the Wandel Valley Formation, and confirms the palaeobiogeographic affinities of the Ordovician platform in Greenland
A small trilobite fauna is described from the Wandel Valley Formation of Kronprins Chri~tian land, eastern North Greenland
The trilobites deseribed in this report were eolleeted from the Amdrup Member of the Wandel Valley Formation in western Kronprins Christian Land by John S
Summary
The fauna provides areliable correlation for the Amdrup Member of the Wandel Valley Formation, and confirms the palaeobiogeographic affinities of the Ordovician platform in Greenland. All of the species positively identified from the Amdrup Member of the Wandel Valley Formation have been described from the lower part of the Catoche Formation, a division of the. St George Group on the carbonate platform ofwestern Newfoundland. This fauna was originally described by Billings (1865), and may be regarded as the type for the late 'Canadian' ( terrned Ibexian) bathyurid trilobites of the Laurentian craton. The Catoche fauna, and likewise that from the Amdrup Member, must be of early Arenig age, and within all or part of the interval represented by the T. approximatus and T. fruticosus Biozones of the graptolitic standard
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