Abstract
ABSTRACTSabellidae species from the Iberian Peninsula and Balearic Archipelago waters, including the North-eastern Atlantic Ocean and Cantabrian and westernmost Mediterranean Seas, were studied. The species Amphicorina rovignensis, Dialychone dunerificta, D. usticensis, Euchone cf. limnicola, Euchone cf. pseudolimnicola, Megalomma lanigera, Parasabella tenuicollaris and P. tommasi are recorded for the first time in the area. Bispira primaoculata sp. nov. is a newly described species for the Alborán Sea, characterized by having semicircular branchial lobes, rounded and long dorsal basal flanges, an axial skeleton composed of six longitudinal rows of vacuolated cells, up to three pairs of compound eyes per radiole mainly distributed in the distal half of the crown, appearing at the level of the dorsalmost pair of radioles, and a first chaetiger maximally twice as long as subsequent ones. New information about the habitats of A. rovignensis, D. dunerificta and M. lanigera is also provided.http://zoobank.org/urn:lsid:zoobank.org:pub:377167DA-9F26-4FA3-9C26-07C5EF3EE66D
Highlights
The polychaete family Sabellidae Latreille, 1825, commonly known as feather-duster worms, is characterized by a striking, usually colourful radiolar crown that emerges from self-made tubes typically composed of mucus and sediment (Rouse, 2000; Merz, 2015), with the exception of Glomerula piloseta (Perkins, 1991), which inhabits calcareous tubes
The new reports were compared to the type material of the species when possible, and with congeners showing morphological resemblance
The species’ distribution range is expanded to include the westernmost Mediterranean Sea (Balearic Islands). This represents the first record of the species outside its type locality and marks the westernmost limit of its distribution in the Mediterranean Sea to date
Summary
The polychaete family Sabellidae Latreille, 1825, commonly known as feather-duster worms, is characterized by a striking, usually colourful radiolar crown that emerges from self-made tubes typically composed of mucus and sediment (Rouse, 2000; Merz, 2015), with the exception of Glomerula piloseta (Perkins, 1991), which inhabits calcareous tubes. This family represents one of the most diverse and ubiquitous families worldwide, comprising around 400 species belonging to 39 genera, all marine and benthic with the exception of one freshwater genus (Capa et al 2014; Capa & Murray, 2015). We describe a new species of Bispira Krøyer, 1856 for the Djibouti Banks area in the Alborán Sea (SW Mediterranean Sea)
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