Pseudovermilia pacifica Imajima, 1978

Kupriyanova, Elena K., Sun, Yanan, Ten Hove, Harry A., Wong, Eunice & Rouse, Greg W., 2015, Serpulidae (Annelida) of Lizard Island, Great Barrier Reef, Australia, Zootaxa 4019 (1), pp. 275-353 : 307-309

Pseudovermilia pacifica Imajima, 1978

( Fig. 16 )

Pseudovermilia pacifica Imajima, 1978: 57 –59, fig. 4a–n [ Ponape Island; original description].

Pseudovermilia pacifica . — Imajima, 1979: 170 [ Japan]; 1987: 81 [Okinawa, Japan]; Imajima & ten Hove 1984: 58 [ Truk Islands, Ponape and Majuro Atoll]; ten Hove 1994: 110 [ Seychelles]; Sun & Yang 2001a: 187, fig. 1I –N [Xisha Island, China]; Bailey-Brock et al. 2012: 976–977, fig. 7A–M [ Marshall Islands].

Material examined. AM W.28305, ZMA V.Pol. 4774, Carter Reef, 14°32'S, 145°35'E, coll. P. Hutchings, 10 Mar 1986, det. E. Kupriyanova (10 respectively 8, as Pseudovermilia sp. by ten Hove); AM W.28326, outer reef, Yonge Reef, 14°40'S, 145°27'E, dead & living corals, 8–10 m, coll. H. ten Hove, 21 Jun 1983 (5 as Semivermilia sp.); AM W.28327, stn. 16, North Point, 14°40'S, 145°28'E, sloping reef with mainly dead & thinly silted corals, coll. H. ten Hove, P. Hutchings & M. Reid, 1 Mar 1986; AM W.28343, Turtle Beach, 14°40'S, 145°27'E, underside of dead & living corals, coll. H. ten Hove, 22 Jun 1983; AM W.44053, MI QLD 2352; AM W.44538, MI QLD 2388 (5); AM W.47301, Fore Reef, 14°36'54"S, 145°37'12"E, 12 m, coll. M. Blazewicz-Paskowycz, 13 Feb 2009; AM W.47580, stn.G231, Coconut Beach, coll. G. Rouse & E. Kupriyanova, 26 Oct 2005; AM W.47583, stn.G232, rubble between First Beach & Osprey Island, coll. G. Rouse & E. Kupriyanova, 26 Oct 2005; AM W.47585, stn.G232, rubble between First Beach & Osprey Island, coll. G. Rouse & E. Kupriyanova, 26 Oct 2005; MAGNT W025499, Patch Reef near lagoon entrance, 14°41'20"S, 145°28'12"E, coral rubble, 2 m, coll. N. Bruce, 11 Apr 2008, det. Kupriyanova; ZMA V.Pol. 4765 (6), between First Beach & Osprey Island, reef flat, dead corals & rubble in sand, 3–4 m, coll. H. ten Hove, 17 Jun 1983; ZMA V.Pol. 4766, stn.20, reef front north of South Island, sloping reef outside lagoon & sandy bottom below, 10–17 m, coll. H. ten Hove, P. Hutchings & M. Reid, 5 Mar 1986 (operculum lost); ZMA V.Pol. 4770 (2), stn.17, Palfrey Island, south of lighthouse, coral heads on sandy bottom, 7 m, coll. H. ten Hove, P. Hutchings & M. Reid, 2 Mar 1986; ZMA V.Pol. 4776 (3), stn.18, lagoon near east entrance, sheltered side of reef, near sandy bottom, 2–20 m, coll. H. ten Hove, 3 Mar 1986.

Diagnosis. Tube white, triangular in cross-section, with thick, rounded median ridge, two finely toothed lateral ridges and lateral flanges. Peduncle with asymmetrical swelling at the distal end. Operculum with a bell-shaped ampulla and a stack (3–14) of diabolo-like yellow tiers, chitinous in appearance, with distinct margins; with or without a hook at the top ( Fig. 16 ).

Remarks. The tubes are very faintly striated transversely, as opposed to the clear ribs figured by Imajima (1978, fig. 4m –o) and visible in the paratype ( ZMA V.Pol. 3295).

Distribution. Izu Island, Japan, Indo-West Pacific. New record for Australia.

Figures

FIGURE 16. Pseudovermilia pacifica. A. Specimen in tube, AM W. 28343; B. Specimen in tube, AM W. 28326; C. Operculum, AM W. 28305; D. Operculum, AM W. 28326; E. Specimen in tube, AM W. 28305. Photo: E. Wong. Scale bars: A = 0.5 mm, B – E = 0.1 mm.