Planicirrata Nygren, 2004, gen. n. ...

• Main Author: Nygren, Arne
• Format: Text
• Language: unknown
• Published: Zenodo 2004
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Phyllodocida; Syllidae; Planicirrata; Antarc*; Antarctic; Elephant Island
• Online Access: https://dx.doi.org/10.5281/zenodo.6273226; https://zenodo.org/doi/10.5281/zenodo.6273226

Planicirrata gen. n. Linnean name definition. Type species Myrianida proceraeae Hartmann­Schröder & Rosenfeldt, 1990. PhyloCode definition. No name definition provided. Apomorphies. Supported by 3 morphological apomorphies (Fig. 4): 1) cirrostyles flattened (character 15), character state change is a parallelism; 2) pharynx sinuation with several sinuations (character 39), character state change is a parallelism; 3) number of rows of muscle cells equals 41–50 (character 48), character state change is a parallelism. Etymology. Plani is latin, meaning flat. Named for its flattened cirrostyles. Planicirrata proceraeae (Hartmann­Schröder & Rosenfeldt, 1990) comb. n. (Fig. 46A–G) Myrianida proceraeae Hartmann­Schröder & Rosenfeldt, 1990: 100 –101, figs 1–3; 1992: 104. Material examined. Antarctic: holotype, ZMH 19924, Elephant Island, 60°51.3'S, 55°45.6'W, 290 m, stones, 26 Feb 1985. Diagnosis. Procerini with flattened lanceolate cirrostyles. Description. Holotype complete, length 14 mm for 90 ... : Published as part of Nygren, Arne, 2004, Revision of Autolytinae (Syllidae: Polychaeta)., pp. 1-314 in Zootaxa 680 on pages 102-103, DOI: 10.5281/zenodo.157809 ...