Comanthus wahlbergii ( Müller, 1843 )

Kogo, Ichizo, Fujita, Toshihiko & Kubodera, Tsunemi, 2019, Shallow-water Comatulids (Echinodermata: Crinoidea) from Ambon and Lombok Islands, Indonesia, Species Diversity 24, pp. 229-246 : 237-238

Comanthus wahlbergii ( Müller, 1843)

Alecto wahlbergii Müller, 1843: 131 .

Comatula (Actinometra) wahlbergii — Müller 1849: 256.

Comanthus (Bennettia) wahlbergii —A. H. Clark 1911b: 17.

Comanthus wahlbergii —A. H. Clark 1912a: 95; 1913: 16; 1918: 49 (key); 1931: 588, pl. 65 fig. 183; 1937: 99; Gislén 1938a: 8, fig. 7; Rowe et al. 1986: 228, figs 2a, 6d–h; Fabricius 1994: 1228 (table); Messing 1994: 239 (list); 1998b: 189 (table); Rowe and Gates 1995: 145; Kogo 1998: 37, fig. 29; MarshallCrossland and Price 1999: 26; Lane et al. 2000: 476 (table); Kirkendale and Messing 2003: 531; Kogo and Fujita 2005: 332; Summers et al. 2014: 337.

Comanthus wahlbergi — Vail 1987: 555.

Comanthus (Comanthus) samoana A. H. Clark, 1909f: 30 .

Comanthus samoana —A. H. Clark 1931: 593 (part); 1936: 298 (part).

Comanthus samoanus — Gibbs et al. 1976: 110.

Material examined. 6 specimens. Ambon Is. NSMT E-8106 (1 specimen), Pombo I ., lagoon, November 27, 1992; NSMT E-8124 (1), Pombo I ., 10 m, November 28, 1992; NSMT E-8145 (1), Latuhalat , 10 m, December 1, 1992; NSMT E-8160 (1), Silale, 15 m, December 2, 1992; NSMT

E-8189 (1), Lilibooi, 15–20 m, December 9, 1992. Lombok Is. NSMT E-8215 (1), Gili Air I., February 5, 1994.

Description. Centrodorsal discoidal, circular in aboral view, 2.5– 4 mm across, 0.3– 1 mm thick, with flat aboral pole and cirrus sockets in 1 aligned, partly 2 rows. Cirri XV– XXIII, 14–16, 7– 11 mm long. Longest cirrals (usually 4 th – 5 th) 1.3 times longer than wide; 4–7 distal cirrals with aboral spine or transverse ridge. Radials almost wholly concealed by centrodorsal. Rays in a plane. IBr 2: Ibr 1 oblong, in contact laterally, Ibr 2 (axil) low pentagonal, free laterally. IIBr 4(3+4), rarely 2. IIIBr 4(3+4). Arms 20–42; anterior arms 60–105 mm, posterior arms 35–85 mm long; first syzygy at br 3+4. PII (sometimes absent) longest, 10–12 mm long, of 42–48 segments; combs of 7–10 teeth confluent with outer edge of pinnulars; first comb tooth transverse; 3–4 distal pinnulars with transverse ridge or paired teeth. Pinnule combs to P 5, often to middle pinnules.

Distribution. Maldives, Sri Lanka, Sumatra ( MarshallCrossland and Price 1999); western, northern, and eastern Australia, Tasman Sea, New Zealand, Coral Sea, Melanesia ( Rowe et al. 1986; Rowe and Gates 1995); Great Barrier Reef ( Vail 1987; Fabricius 1994); Papua New Guinea ( Messing 1994, 1998b); Micronesia ( Kirkendale and Messing 2003); South China Sea ( Lane et al. 2000); Japan ( Kogo 1998; Kogo and Fujita 2005). Depth range: 1–103 m ( Lane et al. 2000).