On 30 November 1941 a sunfish Mola mola (L.) was found on the beach near Schoorl (Province of Noord-Holland). The fish was parasitized by a specimen of Pennella filosa (L.) (Crustacea, Copepoda) on which a specimen of Conchoderma virgatum (Crustacea: Cirripedia) had attached itself. This is the first and so far only record of these two crustaceans for The Netherlands. Another species of the genus Pennella, P. crassicornis Steenstrup & Lütken, had been previously recorded from the Dutch coast (on Balaenoptera acutorostrata Lacépède); this record is also discussed here.

Conchoderma virgatum (Crustacea: Cirripedia), Pennella (Crustacea: Copepoda), Mola mola (Pisces), Balaenoptera acutorostrata (Cetacea), The Netherlands.
Zoologische Bijdragen

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Naturalis journals & series

Huwae, P.H.M. (1986). Over de eerste vondsten van twee Pennella-soorten (Crustacea: Copepoda) en van Conchoderma virgatum (Spengler) (Crustacea: Cirripedia) in Nederland. Zoologische Bijdragen, 35(1), 1–9.