Paxtonia amoureuxi Budaeva & Fauchald 2011, COMB. NOV.

• Main Authors: Budaeva, Nataliya, Fauchald, Kristian
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2011
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Eunicida; Onuphidae; Paxtonia; Paxtonia amoureuxi; Fridtjof Nansen
• Online Access: https://doi.org/10.5281/zenodo.10545826; http://treatment.plazi.org/id/03896E0AFF8DFF96FF43FA2ADBEB9BFB

PAXTONIA AMOUREUXI (INTES & LE LOEUFF, 1975) COMB. NOV. (FIGS 83–85) Onuphis amoureuxi Intes & Le Loeuff, 1975: 313–314, fig. 10h–q. Fauchald, 1982: 96–97, fig. 15d–e. Paradiopatra amoureuxi Paxton, 1986a: 38. Type material: MNHN POLY TYPE 1245, ORSTOM Expedition, off Côte d’Ivoire, 5.1°N, 4.333°W, 80 m, 25 November 1966, dredge, coll. Intes, A. and Le Loeuff, P. (holotype); MNHN POLY TYPE 1343, ORSTOM Expedition, off Côte d’Ivoire, 5.033°N, 4.15°W, 170 m, 24 November 1966, dredge, coll. Intes, A. and Le Loeuff, P. (one paratype); MNHN POLY TYPE 1354, the same locality as another paratype (one paratype). Non-type material examined: ZMUB, Fridtjof Nansen , Gulf of Guinea, off Nigeria, St. N 04A (one); St. N04D (one); St. N10B (one). Type locality: Atlantic Ocean, West Africa, off Côte d’Ivoire, 5.1°N, 4.333°W, 80 m. Diagnosis: First eight pairs of parapodia modified and directing slightly anteriorly; first five chaetigers with indistinctly bidentate pseudocompound falcigers, and pseudocompound tapering chaetae with moderately long pointed hoods; parapodial pockets present on chaetigers 6–25; branchiae pectinate, with up to five filaments, starting from chaetiger 10 and continuing to the end of the body. Prechaetal lobes triangular to conical, distinct on all parapodia. Description: All specimens incomplete; holotype with 54 chaetigers, 2.6 mm wide; two paratypes 4.3 and 4.7 mm wide for 54 and 77 chaetigers, respectively. The most complete non-type specimen consisting of several fragments, with about 230 chaetigers. Largest non-type specimen 4.2 mm wide. A fragment consisting of about 15 posteriormost chaetigers with pygidium was found among non-type specimens. Body dorsoventrally flattened, including anterior chaetigers, and lacking a distinct pigmentation pattern (Fig. 83A). Prostomium short and wide, with rounded anterior edge and one pair of ovoid frontal lips (Fig. 83B, C). Palps reaching chaetiger 2 (chaetiger 1); lateral antennae reaching chaetiger 22 (chaetigers 12–22). Median antenna remaining ...