Striatobalanus amaryllis (Darwin, 1854) Figure 37

Balanus amaryllis var. (a), var. (b) Darwin, 1854: 279, pl. 7, fig. 6a-c. - Hoek 1913: 179, pl. 15, figs 17-21, pl. 16, figs 1-4. - Pilsbry 1916: 217. - Nilsson-Cantell 1925: 329. - Hiro 1936: 624. - 1939c: 243. - Stubbings 1936: 174. - Utinomi 1962: 216. - 1969: 88.

Balanus amaryllis dissimilis Lanchester, 1902: 369, pl. XXXIV, figs 3-3C, with var. clarovittata Lanchester, 1902: 370.

Balanus amaryllis var. a (= Balanus roseus Lamarck, 1818). - Gruvel 1905: 250, with var. b (niveus). - Gruvel, 1905: 250 (= Balanus amaryllis var. b Darwin, 1854: 279)).

Balanus (Chirona) amaryllis . - Nilsson-Cantell 1921: 329, pl. 3, fig. 9. - Rosell 1981: 302.

Balanus amaryllis forma euamaryllis . - Broch, 1922: 321.

Balanus amaryllis forma laevis Broch, 1931: 67, fig. 24.

Balanus sp. Dong & Mao, 1956: 290, fig. 8.

Chirona (Striatobalanus) amaryllis . - Newman & Ross, 1976: 50.

Chirona amaryllis . - Foster, 1981: 350.

Balanus amaryllis . - Dong et al., 1982: 95.

Balanus amaryllis euamaryllis Dong et al., 1982: 96, fig. A-C.

Chirona amaryllis: Zevina et al., 1992: 72, fig. 49.

Striatobalanus amaryllis . - Jones, 2004: 150. - Chan et al. 2009b: 222, 190-192.

Material examined.

- Tanimbar Island: 1 specimen (only shell), MNHN-IU-2019-4814, Stn. CP 65, 09°14'S, 132°27'E, 174-176 m depth, 1 November 1991, attached to broken sea urchin shell.

Diagnosis.

Shell conical; orifice large, pentagonal, toothed; shell colour pinkish, lighter transparent stripes run longitudinally over surface; radii very narrow, reddish, upper margins very oblique; alae broader, lighter colour.

Description.

Shell conical; tips of rostrum and carina slightly curved inwards. Orifice large, pentagonal, toothed. Colour yellowish-white, with slightly darker longitudinal lines on main parts of plates. Radii with very oblique summits, broadest a little distance from the orifice, narrower towards basis. Alae broader than radii, summits rounded. Specimen without scutum, tergum and soft parts. Measurements of specimen: basal length of shell 16.76 mm, orifice length 9.13 mm, carinal height 9.89 mm, orifice width 7.24 mm, basal width 15.14 mm.

Distribution.

Arafura Sea, Indonesia. Indo-west Pacific: South and East Africa, Indian Ocean; Australia (N); Singapore; Malay Arch.; Cambodia; Gulf of Thailand; Mouth of Bassac; Vietnam (Bay of Nhatrang; Lien Chien, Tourane; Codor Is); Hong Kong; S China Sea; China; Philippines; Taiwan; Japan (S); attached to rocks, gastropod shells, rusting iron, fouling species; sublittoral, 5-500 m depth (Jones and Hosie 2016). In this study, Striatobalanus amaryllis was found at Tanimbar Island, Indonesia.

Type locality.

Unknown.