Paradiopatra bihanica Intes & LeLoeuff 1975

• Main Authors: Paxton, Hannelore, Arias, Andrés
• Format: Text
• Language: unknown
• Published: Zenodo 2016
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Eunicida; Onuphidae; Paradiopatra; Paradiopatra bihanica; Combs; Rendu; North Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.5492092; https://zenodo.org/record/5492092

Paradiopatra bihanica (Intes & LeLoeuff, 1975) Figure 1 Onuphis bihanica Intes & LeLoeuff, 1975: 314, fig. 11 a–h. Sarsonuphis bihanica— Fauchald 1982: 68 –69, fig. 15 c. Paradiopatra bihanica— Paxton 1986: 38; Budaeva & Fauchald 2011: 350 –353 (in part), fig. 19 A, B. Material examined. MNHN-IA-TYPE 1246 (holotype), ORSTOM Expedition, off Côte d’Ivoire, 5.055 ºN – 4.083 ºW, 200 m depth, 23 Nov 1966, dredge, coll. Intes, A & LeLoeuff, P. Diagnosis (based on our examination of holotype, variations stated in original description given in parentheses). Eyes present; palps reaching chaetiger 1 (3), median antenna reaching chaetiger 3 (15–20), lateral antennae reaching chaetiger 4 (original description stating “slightly shorter than median antenna”); ceratophores with 3–4 (5–6) rings, without lateral projections. Peristomial cirri present. Anterior three pairs of parapodia modified; ventral cirri on first three chaetigers, postchaetal lobes present to chaetiger 5. Modified parapodia with bidentate pseudocompound hooks with long pointed hoods; from chaetiger 4 replaced by limbate chaetae; lower limbate chaetae replaced from chaetiger 9 by subacicular hooks and two pectinate chaetae with slightly oblique combs with 12–14 teeth. Branchiae pectinate, starting as single filaments at chaetiger 9 (12), with a maximum of two filaments, appearing to be present to posterior end. Tube with inner parchment-like layer covered by thin smooth muddy layer. Remarks. The species has been redefined according to its holotype and original description. Specimens reported as P. bihanica by Budaeva & Fauchald (2011) and Arias & Paxton (2015) differ in having much shorter antennae; postchaetal lobes are present on eight rather than on five anterior chaetigers. In specimens from the Mediterranean Sea and Iberian Peninsula the median antenna is consistently shorter than the lateral ones and hence have been referred to P. calliopae (see below). Collections reported by Budaeva & Fauchald (2011) from West Africa differ slightly from the latter specimens in that their median antenna is almost as long as the lateral ones. Further studies are needed to determine whether they represent a variant of P. calliopae or an undescribed species. Distribution. Eastern North Atlantic, West Africa, off Ivory Coast. : Published as part of Paxton, Hannelore & Arias, Andrés, 2016, The identity of Paradiopatra bihanica (Annelida: Onuphidae) and reinstatement of P. calliopae, pp. 283-286 in Zootaxa 4132 (2) on page 284, DOI: 10.11646/zootaxa.4132.2.10, http://zenodo.org/record/265530 : {"references": ["Intes, A. & LeLoeuff, P. (1975) Les Annelides Polychetes de Cote d'Ivoire. I. Polychetes errantes - compte rendu systematique. Cahier O. R. S. T. O. M. (Office de la Recherche Scientifique et Technique Outre-Mer) Serie Oceanographie, 13, 267 - 321.", "Fauchald, K. (1982) Revision of Onuphis, Nothria and Paradiopatra (Polychaeta: Onuphidae) based upon type material. Smithsonian Contributions to Zoology, 356, 1 - 109. http: // dx. doi. org / 10.5479 / si. 00810282.356", "Paxton, H. (1986) Generic revision and relationships of the family Onuphidae (Annelida: Polychaeta). Records of the Australian Museum, 38, 1 - 74. http: // dx. doi. org / 10.3853 / j. 0067 - 1975.38.1986.175", "Budaeva, N. & Fauchald, K. (2011) Phylogeny of the Diopatra generic complex with a revision of Paradiopatra Ehlres (sic), 1887 (Polychaeta: Onuphidae). Zoological Journal of the Linnean Society, 163, 319 - 436. http: // dx. doi. org / 10.1111 / j. 1096 - 3642.2011.00701. x", "Arias, A. & Paxton, H. (2015) Paradiopatra Ehlers, 1887 (Annelida: Onuphidae) from southwestern Europe with the description of a new species and new ultramorphological data for the genus. Zootaxa, 4040 (2), 149 - 168. http: // dx. doi. org / 10.11646 / zootaxa. 4040.2.3"]}