Primnoella biserialis Wright & Studer 1889

• Main Authors: Pérez, Carlos Daniel, Zamponi, Mauricio Oscar
• Format: Text
• Language: unknown
• Published: Zenodo 2004
• Subjects: Biodiversity; Taxonomy; Animalia; Cnidaria; Anthozoa; Alcyonacea; Primnoidae; Primnoella; Primnoella biserialis; Antarctic; Argentina; Uruguay; Chubut; Smyth; Burdwood Bank; Sandefjord; Brategg; Antarc*
• Online Access: https://dx.doi.org/10.5281/zenodo.6270745; https://zenodo.org/record/6270745

Primnoella biserialis Wright & Studer, 1889 (Fig. 3 B) Primnoella biserialis Wright & Studer, 1889: 87; May 1899: 16; Versluys 1906: 55; Kükenthal 1919: 399; 1924: 285. Diagnosis. See Wright and Studer 1889: 87–88, pl. XVII, fig. 3, pl. XXI, fig. 14. Material examined. ARGENTINA, Chubut, San Matías Gulf, 41 º 13 ’S, 65 º 59 ’W, 30 April 1971, st. 110, 90 m, “Survey S.A. O. II”, (MLP s/n). Description. Finely planar colony, branching dichotomously, 32 cm in height. Terminal branches whip­like. Polyps appear in whorls of 6–7 polyps, which are uniformly spaced along the stem. Polyps 1.2–1.5 mm in height. Polyp scales placed in two abaxial longitudinal rows with 13–15 scales. Scales with multituberculate warts. Opercular scales ovoid with concentric lines (0.087–0.10 mm wide and 0.15–0.21 mm long); triangulated marginal scales with a small terminal point (0.18 mm wide and 0.23 mm long); and basal and medial scales rounded, rectangular, polygonal (0.23 mm wide and 0.16 mm long). Coenenchymal scales rounded with few warts (0.06–0.1 mm wide and 0.098–0.15 mm long), small tuberculated rods (0.036 mm wide and 0.078 mm long) and a few tuberculate clubs (0.053 mm wide and 0.11 mm long). Distribution (Fig. 1). Macaé (39 m) (Brazil), Montevideo (35 º05’S, 52 º 33 ’W, 115 m) (Uruguay) (Tixier­Durivault 1969 – 70); Tom Bay (50 º 10 ’S, 74 º 42 ’W, 815 m) (Chile) (Wright & Studer 1889); Smyth Canal (15 m) (Chile) (May 1899); Burdwood Bank (54 º 43 ' S, 60 º 14 ' W, 202 m) (Broch 1965). New record . San Matías Gulf, Chubut (Argentina). Remarks. The present record is the first off the Argentinian continental slope. : Published as part of Pérez, Carlos Daniel & Zamponi, Mauricio Oscar, 2004, New records of octocorals (Cnidaria, Anthozoa) from the south western Atlantic Ocean, with zoogeographic considerations, pp. 1-12 in Zootaxa 630 on pages 7-8, DOI: 10.5281/zenodo.158449 : {"references": ["Wright E. & Studer, T. (1889) Report on the Alcyonaria collected by H. M. S. Challenger during the years 1873 - 1876. Report of the Scientific results of the voyage of H. M. S. Challenger during 1873 - 1876, 31, 4, I - IXXII, 1 - 314.", "May, W. (1899) Alcyonarien. Ergebnisse Hamburger Magalhaensische Sammelreise, 4, 1 - 22.", "Versluys, J. (1906) Die Gorgoniden der Siboga Expedition II. Die Primnoidae. Siboga-Expeditie Monographie, 13 a, 1 - 178.", "Kukenthal W. (1919) Gorgonaria. Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer \" Valdivia \" 1898 - 1899, 13, 2, 1 - 946, pls. 30 - 89.", "Tixier-Durivault, A. (1969 - 1970) Octocoralliaires. Campagne de la Calypso au large des cotes Atlantiques de l'Amerique du Sud (1961 - 1962). I. Annales de l\u00b4Institut Oceanographique, 47, 145 - 169.", "Broch, H. (1965) Some octocorals from Antarctic waters. Scientific Results of the \" Brategg \" Expedition, 1947 - 48. No 5. Chr. Christensens Hvalfangstmuseum i Sandefjord, 26, 19 - 38."]}