Sertularella subantarctica Horia R. Galea & Dirk Schories & Verena Häussermann & Günter Försterra 2017, sp. nov.

• Main Authors: Horia R. Galea, Dirk Schories, Verena Häussermann, Günter Försterra
• Format: Other/Unknown Material
• Language: unknown
• Published: 2017
• Subjects: Biodiversity; Taxonomy; Animalia; Cnidaria; Hydrozoa; Leptothecata; Sertulariidae; Sertularella; Sertularella subantarctica; Cumberland Bay; Steinen; Antarc*; Antarctica; International Polar Year
• Online Access: https://zenodo.org/record/6029771; https://doi.org/10.5281/zenodo.6029771

Sertularella subantarctica Galea, sp. nov. Figs 1G, 12E, F, 16 H-Q, 17 A-B; Table 24 Sertularella protecta p.p. Hartlaub, 1901: 79. Sertularia (Sertularella) polyzonias. – Pfeffer, 1889: 54 [non Sertularella polyzonias (Linnaeus, 1758)]. Sertularella Allmani. – Jäderholm, 1905: 32, pl. 12 fig. 11; 1910: 5 [non Sertularella allmani Hartlaub, 1901]. Sertularella antarctica. – Jäderholm, 1905: 32, pl. 13 fig. 1 [non Sertularella antarctica Hartlaub, 1901)]. Sertularella sp. – El Beshbeeshy, 2011: 121, fig. 37E. (?) Sertularella picta. – p.p. Millard, 1971: 405, fig. 6B [non S. picta (Meyen, 1834)]. non Sertularella picta. – Millard, 1971: 405, fig. 6A [= (?) Ser- tularella gaudichaudi (Lamouroux, 1824)]. Holotype material: SMNH 123839; South Georgia, Cumberland Bay, coll. Swedish South Polar Expedition 1901-1903; 09.05.1902; microslide (Fig. 12F) comprising three sterile colony fragments, 2.6, 3.0 and 3.5 cm high [material incorrectly assigned to S. antarctica Hartlaub, 1901 by Jäderholm (1905); illustrated by him in his pl. 13 fig. 1, re-illustrated herein in Fig. 17A; note that the identification written down on the label of the slide is “ Sertularella Allmani Hartl ”]. Paratype material: ZMH C04206; South Georgia, German International Polar Year Expedition 1882-1883, coll. K. von den Steinen; (day and month unavailable) 1883; a colony composed of numerous sterile stems, up to 3.2 cm high, on stem of tubulariid hydroid and unidentified substrate, labeled S. protecta Hartlaub, 1901, and suspected by El Beshbeeshy (2011) to belong to an undescribed species. Additional material: SMNH 123851; Falkland Is., Port William, coll. Swedish South Polar Expedition 1901-1903, Stn. 39, 40 m; 04.07.1902; microslide (Fig. 1G) containing 2 species: 1) on the right-hand side, two sterile colony fragments, 1.3 and 1.5 cm high, assignable to S. subantarctica Galea sp. nov., but identified by Jäderholm (1905) as S. allmani Hartlaub, 1901, and illustrated by him in his pl. 12 fig. 11, re-illustrated herein in Fig. 16K, P; 2) on the ...