Sphaerodoropsis biserialis Berkeley and Berkeley 1944 ...

• Main Authors: Aguado, M. Teresa, Rouse, Greg W.
• Format: Text
• Language: unknown
• Published: Zenodo 2006
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Phyllodocida; Sphaerodoridae; Sphaerodoropsis; Sphaerodoropsis biserialis; Arctic
• Online Access: https://dx.doi.org/10.5281/zenodo.6261228; https://zenodo.org/doi/10.5281/zenodo.6261228

Sphaerodoropsis biserialis (Berkeley and Berkeley, 1944) (Figure 5) Sphaerodorum biserialis Berkeley and Berkeley, 1944: 3, figs. 1–3. Sphaerodoridium biseralis Hartman, 1968: 601. Imajima, 1969: 154 –155, figs. 3a–d. Sphaerodoropsis biserialis Fauchald, 1974: 272, fig. 3.17. Material examined. 1 Paratype USNM 32862. Western Canadian Arctic region. Dease Strait, 69ºN, 106º25’W. Description. Paratype 3 mm long, with 24 chaetigers. Body shape circular in section, ventrally flattened. Prostomium with two lateral slender antennae and one median conical and short. Eyes not present. Long papillae on anterior margin of prostomium. Segment 1 cirri digitiform, similar in length to lateral antennae. Papillae covering completely dorsum and ventral side of the body distributed in several irregular transversal rows per segment. Four sessile and pear-shaped macrotubercles on the dorsum of each segment. First chaetiger with two only macrotubercles, subsequent chaetigers with four. Conical parapodia with wrinkled surface. ... : Published as part of Aguado, M. Teresa & Rouse, Greg W., 2006, First record of Sphaerodoridae (Phyllodocida: Annelida) from hydrothermal vents, pp. 1-21 in Zootaxa 1383 on pages 10-11, DOI: 10.5281/zenodo.175041 ...