Orbiniella annulata Hartman 1967 ...

• Main Author: Blake, James A.
• Format: Text
• Language: unknown
• Published: Zenodo 2017
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Orbiniidae; Orbiniella; Orbiniella annulata; Noto; Pacific; Southern Ocean; Antarc*; Antarctica
• Online Access: https://dx.doi.org/10.5281/zenodo.4901825; https://zenodo.org/doi/10.5281/zenodo.4901825

Orbiniella annulata (Hartman, 1967) Figure 54 A–C Falklandiella annulata Hartman, 1967: 109 –110, pl. 35; Buzhinskaja 1992: 76 –77. Material examined. Falkland Islands, Eltanin Sta. 8-558, 14 Mar 1963, 51.48°S, 56.63°W, 646–845 m, holotype (USNM 55536).— South Pacific Ocean, off Tasmania, Eltanin Sta. 16-1418, 86– 101 m (1, USNM 60629). Description. A small species, holotype 3.3 mm long, 0.48 mm wide for 34 setigerous segments; Tasmanian specimen only 1.5 mm long and 0.25 mm wide for 21 setigers. Body not divided into regions; segments simple, with reduced parapodia throughout, tapering somewhat posteriorly. Prostomium sub-triangular not acutely pointed (Fig. 54 A); eyespots not apparent (red eyespots reported from holotype by Hartman (1967) no longer discernable). Peristomium with two achaetous rings. Branchiae absent (Fig. 54 A). Species Body shape Prostomium Peristomial Eyespots Segmental Noto/Neuro Capillary setae Noto/neuro Gametes Pygidium Distribution/depth range; rings annulations post setal acicular ... : Published as part of Blake, James A., 2017, Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the Abyssal Pacific Ocean, and off South America, pp. 1-145 in Zootaxa 4218 (1) on pages 109-113, DOI: 10.5281/zenodo.245827 ...