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Journal Molluscan Studies Advance Access originally published online on July 2, 2009
Journal of Molluscan Studies 2009 75(4):361-369; doi:10.1093/mollus/eyp032
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© The Author 2009. Published by Oxford University Press on behalf of The Malacological Society of London, all rights reserved

Molecular phylogeny of North Sea Sepiolinae (Cephalopoda: Sepiolidae) reveals an overlooked Sepiola species

Dick S.J. Groenenberg1, Jeroen Goud1, Ate De Heij1 and Edmund Gittenberger1,2

1 National Museum of Natural History Naturalis, PO Box 9517, NL 2300 RA Leiden, The Netherlands; and 2 Institute of Biology, Leiden University, PO Box 9516, NL 2300 RA Leiden, The Netherlands

Correspondence: D.S.J. Groenenberg; e-mail: groenenberg{at}naturalis.nl


  Abstract

Recent bottom trawl surveys in the North Sea have broadened our understanding of an obscure group of bobtail squids (Sepiolidae: Sepiolinae). There are at least two Sepietta species in this region, viz. Sepietta oweniana and Sepietta neglecta, and three Sepiola species, one of which is undescribed, viz. Sepiola atlantica, Sepiola pfefferi and Sepiola sp. nov. Sepiola pfefferi is distinct from Sepiola aurantiaca because of differences in the hectocotylus; the type localities of both species are far apart and data in GenBank indicate a substantial genetic difference between them. It is unclear how to distinguish Sepiola sp. nov. morphologically from its sister species S. atlantica, but molecular phylogenetic analyses and distributional data readily set them apart. The occurrence of Sepiola rondeleti in the northeastern Atlantic could not be confirmed. Several obviously incorrect or dubious identifications regarding GenBank data are listed.

(Received 16 December 2008; accepted 21 April 2009)


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