Onuphis

• Main Authors: Gil, João, Machado, Margarida
• Format: Other/Unknown Material
• Language: unknown
• Published: 2014
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Eunicida; Onuphidae; Onuphis; Iceland
• Online Access: https://zenodo.org/record/5689582; https://doi.org/10.5281/zenodo.5689582

Key to species of Onuphis present in European and nearby waters: (Adapted from: Fauchald 1982 b, Gil 2011) 1 All branchiae simple and strap-like. 2 - Branchiae bifid or pectinate. 4 2 Branchiae from chaetiger 1; pseudocompound hooks all tridentate; ventral cirri cirriform on the first 5–7 chaetigers; cirriform postchaetal lobes distinct on the first 10–13 chaetigers. 3 - Branchiae from chaetiger 5; pseudocompound hooks bi– and tridentate; ventral cirri cirriform on the first 4 chaetigers; cirriform postchaetal lobes distinct on the first 16–33 chaetigers in adults. Onuphis farensis sp. nov. (Gulf of Cádiz, SW Iberian Peninsula) 3 Maxillary formula: MI: 1 + 1, MII: 8-9 + 8, MIII: 9-10 +0, MIV: 5-6 + 5, MV: 1 + 1. O. opalina (SE Iceland) - Maxillary formula: MI: 1 + 1, MII: 6-8 + 8-9, MIII: 7-8 +0, MIV: 7-9 + 9-11, MV: 1 + 1. O. rullieriana (SW British Isles) 4 Branchiae pectinate, with up to 5–7 branchial filaments (first 15–20 chaetigers with simple branchiae). 5 - Branchiae bifid (first 20–25 chaetigers with simple branchiae); ventral cirri cirriform on the first 3–4 chaetigers; digitiform postchaetal lobes disappearing at chaetiger 7–8. O. falesia (Gulf of Follonica, Mediterranean Sea) 5 Tridentate pseudocompound hooks present on the first 3 chaetigers; branchiae pectinate, with up to 6–7 branchial filaments (first 18–20 chaetigers with simple branchiae); ventral cirri cirriform on the first 6 chaetigers; digitiform postchaetal lobes distinct in at least 60 chaetigers. O. eremita (European Atlantic coast and Mediterranean Sea) - Bi – and tridentate pseudocompound hooks present on the first 2 chaetigers; branchiae pectinate, with up to 5–6 branchial filaments (first 15 chaetigers with simple branchiae); ventral cirri cirriform present from the first chaetiger, but total number unknown; digitiform postchaetal lobes present from the first chaetiger, but total number unknown. O. pancerii (Naples region, Mediterranean Sea) Published as part of Gil, João & Machado, Margarida, 2014, A new species of Onuphis ...