Ophiotoma alberti (Koehler, 1896b)

Reports for the Azores:

Ophiotrema alberti $ Koehler, 1896b: 251–253, 1909: 196–198, pl. 28, figs. 1–2; Mortensen 1927a: 183; Gage et al. 1983: 288; Paterson 1985: 57–58, fig. 23; García-Diez et al. 2005: 49; Smirnov et al. 2014: 197.

Type locality: Azores (38°09’00”N, 23°15’45”W) .

See: Paterson (1985); Martynov (2010: 97–103, figs. 66A–E, 67A–C, 68A–I).

Occurrence: Northeast Atlantic; recorded from several scattered locations in the Atlantic, including the Reykjanes Ridge area (c. 58°30’N, 31°29’W; Martynov 2010) and Rockall Trough, south to the Bay of Biscay and the Azores (Paterson 1985); it was also recorded in the Southern Hemisphere (51°07’S, 9°31’W; Mortensen 1927a).

Depth: 1,684 –4,354 m (Paterson 1985, Martynov 2010); AZO: 4,020 m (Koehler 1909).

Habitat: soft substrates (Koehler 1906b).

Remarks: Ophiotoma alberti was described by Koehler (1896b, 1909; as Ophiotrema alberti) based on two specimens collected by Princesse Alice in the Azores (sta 527: 38°09’N, 23°15’45”W, 4,020 m), the only material known so far from the archipelago.