Chaetozone elakata Lavesque 2017, new species ...

• Main Author: Lavesque, Nicolas
• Format: Text
• Language: unknown
• Published: Zenodo 2017
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Terebellida; Cirratulidae; Chaetozone; Chaetozone elakata; North Atlantic; Northeast Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.6049829; https://zenodo.org/doi/10.5281/zenodo.6049829

Chaetozone elakata new species Figures 1–3 Material examined. Northeast Atlantic Ocean, offshore France, Bay of Biscay. R/ V Côtes de la Manche Sta. JERICO-8, 45°38′55″N, 01°45′47″W, coll. 28 October 2016, 0.25m ² Hamon grab, 62 m, holotype (MNHN-IA- TYPE 1800), 3 paratypes (MNHN-IA-TYPE 1801), 2 Paratypes, SEM (MNHN-IA-TYPE 1802) and 7 paratypes (MCZ 143234). Description. A moderate-sized species with elongate body and conspicuous bulge in middle of thoracic region imparting distinct fusiform shape to anterior end (Figs. 1 A, 3A, D). Anterior segments crowded, about four times as wide as long (Fig. 1 A), then becoming longer, but still about twice as wide as long in middle body segments (Fig. 3 A, D). Posterior segments narrowing, with parapodia becoming modified, with deep grooves between individual segments (Figs. 1 C, 2F) and parapodia elevated with thin membranes bearing spreading fascicles of spines and alternating capillaries producing a prominent armature (Fig. 2 B–C). Holotype (MNHN-IA-TYPE 1800) ... : Published as part of Lavesque, Nicolas, 2017, A new species of Chaetozone (Polychaeta, Cirratulidae) from the Bay of Biscay offshore France, together with a review of Chaetozone species from the North Atlantic and adjacent waters, pp. 565-579 in Zootaxa 4312 (3) on pages 567-572, DOI: 10.11646/zootaxa.4312.3.10, http://zenodo.org/record/855617 ...