Sertularella polyzonias ( Linnaeus, 1758 )

Gil, Marta & Ramil, Fran, 2021, Hydroids (Cnidaria, Hydrozoa) from the Vema and Valdivia seamounts (SE Atlantic), European Journal of Taxonomy 758, pp. 49-96 : 71

Sertularella polyzonias ( Linnaeus, 1758)

Fig. 4D

Sertularia polyzonias Linnaeus, 1758: 813 .

Sertularella polyzonias – Ramil & Vervoort 1992: 225–227, fig. 63a–b. — Cornelius 1995: 74–76, fig. 17.

Material examined

SOUTH ATLANTIC OCEAN • 5 colonies, 6–13 mm high (2 growing on algae and 2 on bryozoan), 3 of them bear gonothecae; Vema Seamount , stn BT5; 31°37′16″–31°36′58″ S, 8°22′37″–8°23′06″ E; 71–94 m depth; 31 Jan. 2015; SEAFO-2015 leg.; SEAFO-2015-40197 , SEAFO-2015-40347 , SEAFO-2015-40387 , SEAFO-2015-40602 , SEAFO-2015-40768 , LZM-UV slide R. 583 .

Distribution

Sertularella polyzonias is a circumglobal species (Gil 2017). In the Southeast Atlantic, it was reported from Angola by Broch (1914). Its bathymetric distribution ranges from 2 ( Peña Cantero & García Carrascosa 2002) to 2500 m ( Fraser 1944).

Figures

Fig. 4. A. Clytia gigantea (Hincks, 1866), portion of colony with three hydrothecae. B. Amphisbetia minima (Thompson, 1879), portion of hydrocladia with hydrothecae and basal gonotheca.C. Sertularella areyi Nutting, 1904, part of hydrocladia with hydrothecae. D. Sertularella polyzonias (Linnaeus, 1758), part of hydrocladia with hydrotheca and one gonotheca. E. Sertularella patagonica (d’ Orbigny, 1846), part of hydrocladia with hydrothecae.