Halecium interpolatum Ritchie 1907

• Main Authors: Peña Cantero, Álvaro L., Marzal, Marina Fresneda
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2018
• Subjects: Biodiversity; Taxonomy; Animalia; Cnidaria; Hydrozoa; Leptothecata; Haleciidae; Halecium; Halecium interpolatum; Antarc*; Antarctic; Antarctica; East Antarctica
• Online Access: https://doi.org/10.5281/zenodo.5978823; http://treatment.plazi.org/id/03AC2855FF8CFFB3E7FE7AAC6BC1282F

Halecium interpolatum Ritchie, 1907 (Fig. 3F) Halecium interpolatum —watson, 2008: 171–172, fig. 7A, B; Peña Cantero, 2014c: 261 –263, figs 5G–J, 8A–B (synonymy). Material examined. 48EV194 , a few tiny stems up to 2 mm high, on S. glacialis (IK–2012–10437). Remarks . Incipient stems with up to two hydrothecae. Species easily recognizable by the characteristic long and straight basal part of internodes (Fig. 3F) and the size of the microbasic eurytele nematocysts (10 X 5 µm). Ecology and distribution. Our material was collected at depths from 325 to 409 m, epibiotic on Symplectoscyphus glacialis . Watson’s (2008) material was found at a depth of 4–13 m, in Commonwealth Bay. Circum-Antarctic distribution (Peña Cantero 2014c). Published as part of Peña Cantero, Álvaro L. & Marzal, Marina Fresneda, 2018, Benthic hydroids (Cnidaria: Hydrozoa) from off George V Coast (East Antarctica), pp. 121-136 in Zootaxa 4441 (1) on page 128, DOI:10.11646/zootaxa.4441.1.7, http://zenodo.org/record/1301927