Abstract
In this paper, three new dorvilleid species belonging to the genera Arenotrocha Westheide & von Nordheim, 1985 and Ophryotrocha Claparède & Mecznikow, 1869 are described. The material was collected in subtidal sandy sediments of Cymodocea nodosa meadows from Lanzarote, Fuerteventura, Gran Canaria and Tenerife (Canary Islands). Ophryotrocha paragerlachi n. sp. resembles to O. gerlachi Hartmann-Schröder, 1974 in having mandibles L-shaped with smooth cutting edge and similar chaetation. The two species differ in the shape of the jaw parts, specially the forceps, and presence of biarticulated palps in O. paragerlachi. Ophryotrocha splendida n. sp. differs from all known species of the genus by the arrangement, form and gradation of the chaetae, and by the disposition and structure of the maxillae and mandibles. Arenotrocha lanzarotensis n. sp. is characterized by having a jaw apparatus with simple butterfly-wing shaped mandibles and two rows of maxillary plates. Arenotrocha minuta (Levi, 1954) is closely related to A. lanzarotensis, but these species differ in the form of the simple and compound chaetae.
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References
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del Carmen Brito, M., Núñez, J. (2003). Three new interstitial dorvilleids (Annelida: Polychaeta) from the Cymodocea nodosa meadows of the Canary Islands. In: Sigvaldadóttir, E., et al. Advances in Polychaete Research. Developments in Hydrobiology, vol 170. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-0655-1_3
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DOI: https://doi.org/10.1007/978-94-017-0655-1_3
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