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Issue: Vol. 1557 No. 1: 22 Aug. 2007
Type: Article
Published: 2007-08-22
DOI: 10.11646/zootaxa.1557.1.3
Page range: 47–58
Abstract views: 38
PDF downloaded: 1

New species of the genus Archimonocelis Meixner, 1938  (Proseriata, Archimonocelididae) from southern Apulia (Italy)

Dipartimento di Zoologia e Genetica Evoluzionistica, Università di Sassari, via Muroni 25, 07100 Sassari, Italy
Dipartimento di Zoologia e Genetica Evoluzionistica, Università di Sassari, via Muroni 25, 07100 Sassari, Italy
Dipartimento di Zoologia e Genetica Evoluzionistica, Università di Sassari, via Muroni 25, 07100 Sassari, Italy
Dipartimento di Zoologia e Genetica Evoluzionistica, Università di Sassari, via Muroni 25, 07100 Sassari, Italy
Proseriata taxonomy marine biodiversity meiofauna Mediterranean Archimonocelis new species

Abstract

A survey of the composition of the genus Archimonocelis Meixner, 1938 in southern Apulia (Italy) revealed the presence of four species, three of which are new. Archimonocelis scopulicola n. sp. has a straight stylet, provided with a girdle of 18 copulatory spines, and a chromosome set with n=10. In both A. cygnicollis n. sp. and A. parastaresoi n. sp., an accessory glandular organ, provided with spines, is present. A. cygnicollis n. sp. is provided with a unique double-walled stylet. A. parastaresoi n. sp. is similar to the western Mediterranean A. staresoi Martens & Curini-Galletti, 1993; size and shape of accessory spines are the main discriminating features between the two species. In addition, numerous specimens of A. carmelitana Martens & Curini-Galletti, 1993 were found. A comprehensive discussion of the new species is given.

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