Wells, G. P. 1957. Variation in Arenicola marina (L) and the status of Arenicola glacialis Murdoch (Polychaeta). Proceedings of the Zoological Society of London, 129(3): 397-419.
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Wells, G. P.
1957
Variation in Arenicola marina (L) and the status of Arenicola glacialis Murdoch (Polychaeta