Are Medieval Mya arenaria (Mollusca; Bivalvia) in the Netherlands also clams before Columbus?

During the Pleistocene, the coastal marine bivalve mollusc Mya arenaria became extinct in northwest Europe. The species remained present in North America. Datings of Mya shells found in northern Denmark and the southern Baltic Sea suggest that repopulation of northwest European coasts already occurr...

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Bibliographic Details
Published in:Netherlands Journal of Geosciences
Main Authors: Essink, K., Oost, A. P., Streurman, H. J., Van der Plicht, J.
Format: Article in Journal/Newspaper
Language:English
Published: 2017
Subjects:
North America
North Sea
C-14 dating
pre-Columbus
Wadden Sea
SOFT-SHELL CLAM
RADIOCARBON
CALIBRATION
Greenland
Online Access:https://hdl.handle.net/11370/c84ba100-17c2-42c7-b574-fa19d93c09ce
https://research.rug.nl/en/publications/c84ba100-17c2-42c7-b574-fa19d93c09ce
https://doi.org/10.1017/njg.2016.17
https://pure.rug.nl/ws/files/99969561/are_medieval_mya_arenaria_mollusca_bivalvia_in_the_netherlands_also_clams_before_columbus.pdf
Description
Summary:During the Pleistocene, the coastal marine bivalve mollusc Mya arenaria became extinct in northwest Europe. The species remained present in North America. Datings of Mya shells found in northern Denmark and the southern Baltic Sea suggest that repopulation of northwest European coasts already occurred before Columbus' discovery of America (1492), possibly facilitated by Viking (Norse) settlers at Greenland and northeast North America. In this paper we report on findings of M. arenaria at five locations in the coastal landscape of the Netherlands: polders reclaimed from the Wadden Sea and the former estuaries of Oer-IJ and Old Rhine. The shells from four of these locations also date before 1492 AD.

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