Staurotheca polarsterni Pena Cantero, Svoboda & Vervoort 1997 ...

• Main Author: ÁLVARO L. PEÑA CANTERO
• Format: Text
• Language: unknown
• Published: Zenodo 2017
• Subjects: Biodiversity; Taxonomy; Animalia; Cnidaria; Hydrozoa; Leptothecata; Sertulariidae; Staurotheca; Staurotheca polarsterni; Antarctic; Ross Sea; New Zealand; Pena; Antarc*; Antarctica
• Online Access: https://dx.doi.org/10.5281/zenodo.4386831; https://zenodo.org/doi/10.5281/zenodo.4386831

Staurotheca polarsterni Peña Cantero, Svoboda & Vervoort, 1997 (Fig. 11 C–E) Staurotheca polarsterni — Peña Cantero et al., 1997a: 365 –368, figs 9, 13D; Peña Cantero & Vervoort, 2003: 2702 –2703; Peña Cantero, 2008: 460; 2014a: 1723, fig. 5f–i. Material examined. Stn 18, stem fragment 115 mm long, in bad condition, with female gonothecae (NIWA 117544); Stn 19, distal stem fragment 70 mm long (MNCN 2.03/616). Description. Stem fragments up to 115 mm long. Branching alternate in more or less one plane. Up to fourth order branches present. Branches distinctly curving upwards, sinuous, and with frequent perisarc constrictions followed by a distinct reduction in branch diameter, which is recovered later. Branch diameter usually smaller than that of stem. Hydrothecae arranged in decussate verticils of three to six, resulting in six to 12 longitudinal rows of hydrothecae. Distal part of hydrotheca directed outward, distinctly protruding; adcauline wall almost completely adnate. In frontal view, hydrotheca ... : Published as part of ÁLVARO L. PEÑA CANTERO, 2017, Benthic hydroids (Cnidaria, Hydrozoa) from the Ross Sea (Antarctica) collected by the New Zealand Antarctic expedition BioRoss 2004 with RV Tangaroa, pp. 1-65 in Zootaxa 4293 (1) on page 35, DOI: 10.11646/zootaxa.4293.1.1, http://zenodo.org/record/828475 ...