Pseudexogone helmuti Salazar-Vallejo & Bailey-Brock & Dreyer 2007, n. sp. ...

• Main Authors: Salazar-Vallejo, Sergio I., Bailey-Brock, Julie H., Dreyer, Jennifer C.
• Format: Text
• Language: unknown
• Published: Zenodo 2007
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Phyllodocida; Pilargidae; Pseudexogone; Pseudexogone helmuti; Saint-Paul Island
• Online Access: https://dx.doi.org/10.5281/zenodo.4893381; https://zenodo.org/record/4893381

Pseudexogone helmuti n. sp. (Fig. 5) TYPE MATERIAL. — Southern Indian Ocean. Off Saint-Paul Island, Marion Dufresne , campagne MD50 JASUS, stn 20-DC 91, 38°47’67”S, 77°27’11”E, 17.VII. 1986, 975 m, very compacted fine sand, holotype (MNHN-1482); paratypes (12 in MNHN, 6 in ECOSUR, including SEM specimen). TYPE LOCALITY. — Off Saint-Paul Island, southern Indian Ocean, in deep water. ETYMOLOGY. — This species is named after Helmut Zibrowius, author of many important publications on serpulid polychaetes, and who participated in several cruises, including the one on which the specimens of this new species were collected. DISTRIBUTION. — Only known from the type locality, off the Saint-Paul Island, southern Indian Ocean, in about 1000 m depth. DESCRIPTION Holotype complete, transparent; body tapering posteriorly, 7.5 mm long, 0.25 mm wide, with 42 chaetigers. Prostomium subtriangular, about as long as wide, slightly narrower than peristomium (corrugated in SEM specimens). Three antennae, all cirriform of about ... : Published as part of Salazar-Vallejo, Sergio I., Bailey-Brock, Julie H. & Dreyer, Jennifer C., 2007, Revision of Pseudexogone Augener, 1922 (Annelida, Polychaeta, Syllidae), and its transfer to Pilargidae, pp. 535-553 in Zoosystema 29 (3) on pages 544-547, DOI: 10.5281/zenodo.4689932 ...