Scytophorus striatus Hertwig 1882

• Main Authors: Gusmão, Luciana C., Rodríguez, Estefanía
• Format: Other/Unknown Material
• Language: unknown
• Published: 2021
• Subjects: Biodiversity; Taxonomy; Animalia; Cnidaria; Anthozoa; Actiniaria; Halcampoididae; Scytophorus; Scytophorus striatus; Southern Ocean; Drake Passage; Antarc*; Antarctica; antarcticus
• Online Access: https://zenodo.org/record/5752653; https://doi.org/10.5281/zenodo.5752653

SCYTOPHORUS STRIATUS HERTWIG, 1882 (FIGS 6–8; TABLE 2) Material: AMNH 5268 (nine specimens), Nathaniel B. Palmer R/ V, NBP11-03 Expedition, Sta. 14, off Burdwood / Namuncurá Bank, Drake Passage, Antarctica, 54º42.84’S 62º14.99’W, 732 m, 11 May 2011, Hein Dredge, collected by M. R. Brugler. AMNH 5275 (three specimens), ‘ Nathaniel B. Palmer’ R/V, NBP11-03 Expedition, Deep Site – North Grassy Knoll, Sta. 10, Burdwood / Namuncurá Bank, Drake Passage, Antarctica, 54°43.35’S 62°14.21’W, 720 m, 11 May 2011, Blake Trawl, collected by M. R. Brugler. AMNH 5254 (20 specimens), Nathaniel B. Palmer R / V, NBP11-03 Expedition, Sta. 16, off Burdwood/Namuncurá Bank, Drake Passage, Antarctica, 54º48.52’S 62º07.20’W, 1423 m, 13 May 2011, Hein Dredge, collected by M. R. Brugler. AMNH _ IZC 00361338 (three specimens), Nathaniel B. Palmer R / V, NBP11-03 Expedition, Sta. 22, off Burdwood / Namuncurá Bank, Drake Passage, Antarctica, 54º50.50’S 62º07.53’W, 1922 m, 14 May 2011, Hein Dredge, collected by M. R. Brugler. Additional material examined for comparison: Scytophorus antarcticus ZMH C1452 (one specimen: holotype); locality: South Georgia. Halcampoides purpureus AMNH 4498 (one specimen); locality: Southern Ocean, Antarctica, Kapp Norvegia, Sta. PS 56/105-1, 10°57’S 12°15.05’W, GKG, giant box corer, collected in 2000 by P. López-González bi-layered cuticle on column with foreign material attached to it, p -mastigophores A in actinopharynx. External anatomy (Fig. 6): Body elongate in preserved specimens (Fig. 6A, B) but with aboral end flattened without a well-defined physa (Fig. 6A–C). Column cylindrical with 14 longitudinal furrows/evaginations (Fig. 6B), divided into scapulus and scapus (Fig. 6D) and tenaculi throughout scapus (Fig. 6E); column with epidermis covered by yellow cuticle distributed on scapus (Fig. 6B, E). Column diameter 5–11 mm distally and 7–9 mm proximally; 18–40 mm length in preserved specimens. Oral disc small, circular, contracted in all specimens (Fig. 6A, B, D); diameter 2–7 mm in preserved specimens. ...