Loganellia (Thelodonti, Agnatha) from the Lower Silurian of North Greenland

Isolated thelodont scales from several Lower Silurian samples from North Greenland are re-described and compared with European forms, to assess their taxonomical, stratigraphical and palaeogeographical significance. Loganellia scotica s. s. (TRAQUAIR, 1898) scales, described from the Lafayette Bugt...

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Bibliographic Details
Main Author: Blom, Henning
Format: Article in Journal/Newspaper
Language:English
Published: Institute of Geology University of Warsaw 2003
Subjects:
Silurian
Thelodonts
North Greenland
taxonomy
stratigraphy
Greenland
Kap
Morton
Kap Morton
Lafayette Bugt
Arctic
Online Access:https://gq.pgi.gov.pl/agp/article/view/10326
Description
Summary:Isolated thelodont scales from several Lower Silurian samples from North Greenland are re-described and compared with European forms, to assess their taxonomical, stratigraphical and palaeogeographical significance. Loganellia scotica s. s. (TRAQUAIR, 1898) scales, described from the Lafayette Bugt Formation, are more restricted than commonly supposed, being found only in Scotland and North Greenland. Reassignment of some thelodont scales from L. scotia to L. grossi (FREDHOLM, 1990) suggest a middle Wenlock age for the Kap Morton Formation.

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