FIGURE 4. Hymeniacidon torquata Topsent, 1916 in Sponges from Doumer Island, Antarctic Peninsula, with description of new species of Clathria (Axosuberites) Topsent, 1893 and Hymeniacidon Bowerbank, 1858, and a re-description of H. torquata Topsent, 1916

• Main Authors: Fernandez, Julio C.C., Bravo-Gómez, Diego, Cárdenas, César A., Hajdu, Eduardo
• Format: Other/Unknown Material
• Language: unknown
• Published: 2020
• Subjects: Biodiversity; Taxonomy; Animalia; Porifera; Demospongiae; Halichondrida; Halichondriidae; Hymeniacidon; Antarctic; Antarctic Peninsula; Fernandez; Doumer; Doumer Island; Antarc*
• Online Access: https://zenodo.org/record/3614557; https://doi.org/10.5281/zenodo.3614557

FIGURE 4. Hymeniacidon torquata Topsent, 1916, skeleton: A, transverse section in MNRJ 20667 showing loose choanosomal ascending tracts obscured by the overlaid halichondroid architecture, ending in surface bouquets; B, transverse section in MNRJ 20689 showing ectosomal bouquets; C, same as B, but in MNRJ 20693; D, transverse section in MNRJ 20689 showing loose choanosomal ascending tracts obscured by the overlaid halichondroid architecture; E, same as " D ", but in MNRJ 20693. Scale bars: A–E = 300 µm. Published as part of Fernandez, Julio C.C., Bravo-Gómez, Diego, Cárdenas, César A. & Hajdu, Eduardo, 2020, Sponges from Doumer Island, Antarctic Peninsula, with description of new species of Clathria (Axosuberites) Topsent, 1893 and Hymeniacidon Bowerbank, 1858, and a re-description of H. torquata Topsent, 1916, pp. 77-109 in Zootaxa 4728 (1) on page 86, DOI:10.11646/zootaxa.4728.1.4, http://zenodo.org/record/3614549