Pseudarchaster gracilis subsp. gracilis gracilis (Sladen 1889

• Main Authors: Madeira, Patrícia, Kroh, Andreas, Cordeiro, Ricardo, De, António M., Martins, Frias, Ávila, Sérgio P.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2019
• Subjects: Biodiversity; Taxonomy; Animalia; Echinodermata; Asteroidea; Paxillosida; Pseudarchasteridae; Pseudarchaster; Pseudarchaster gracilis; Pseudarchaster gracilis gracilis (sladen; 1889); North Atlantic
• Online Access: https://doi.org/10.5281/zenodo.5583265; http://treatment.plazi.org/id/4148D2120403FF80FF33FF55755C17CF

Pseudarchaster gracilis gracilis (Sladen, 1889) (Fig. 16) Reports for the Azores: Aphroditaster gracilis $ Sladen, 1889: 117–120, pl. 17, figs. 1–2, pl. 18, figs. 7–8; Verrill 1899: 195; Astrogonium gracile Sladen, 1889 — Perrier 1894: 342; Astrogonium necator $ Perrier, 1894: 350–355, pl. 23, fig. 1; $ Koehler 1909: 74–75; Pseudarchaster necator (Perrier, 1894) — Verrill 1899: 195; Mortensen 1927a: 86; Astrogonium aequabile Koehler, 1907 a— $ Koehler 1909: 66–68, pl. 11, figs. 1–4; Astrogonium eminens , Koehler, 1907 a— $ Koehler 1909: 68–71, pl. 16, figs. 3–6; Astrogonium marginatum $ Koehler, 1909: 71–73, pl. 14, figs. 1–4, 1921a: 2; Pseudarchaster aequabile (Koehler, 1907a) — Mortensen 1927a: 86; Pseudarchaster eminens (Koehler, 1907a) — Mortensen 1927a: 86; Pseudarchaster marginatus (Koehler, 1909) — Mortensen 1927a: 86; Pseudarchaster gracilis (Sladen, 1889) — Mortensen 1927a: 86; $ Halpern 1972: 360–366, figs. 1–2; Downey 1973: 59–60, pl. 23, figs. C, D; Walenkamp 1979: 44–47, figs. 16, 19, pl. 10, figs. 1–4; Gage et al . 1983: 279–280; Pseudarchaster gracilis gracilis (Sladen, 1889) — $ A.M. Clark & Downey 1992: 262–263, pl. 62, figs. E–F; García-Diez et al . 2005: 47; Benavides-Serrato et al . 2011: 170–171. Type locality: Azores (37°24’N, 2 5°13’W). See: Halpern (1972); Walenkamp (1979); A.M. Clark & Downey (1992); Benavides-Serrato et al . (2011). Occurrence: North Atlantic, from Flemish Cap, off Cape Cod (Murillo et al . 2015), and from Faeroe waters (Lousy Bank; Sneli 1999), south to the Equator on the both sides of the Atlantic and in the Charlie-Gibbs Fracture Zone (Dilman 2008) and the Azores Archipelago (Koehler 1909) in the Mid-Atlantic Ridge; the subspecies P . gracilis tessellatus Sladen, 1889 is restricted to southern Africa (A.M. Clark & Downey 1992). Depth: 270– 2,940 m (Benavides-Serrato et al . 2011); AZO: 903– 1,940 m). Habitat: soft substrates, Globigerina ooze to fine sand and stones (Koehler 1909, Sneli 1999). Larval stage: direct or lecithotrophic (Halpern 1972). ...