Verum novaezelandiae ( Hoek, 1907 )

Chan, Benny K. K., Prabowo, Romanus Edy & Lee, Kwen-Shen, 2010, North West Pacific deep-sea barnacles (Cirripedia, Thoracica) collected by the TAIWAN expeditions, with descriptions of two new species, Zootaxa 2405, pp. 1-47 : 17

Verum novaezelandiae ( Hoek, 1907)

Figures 1 I, 12, 13

Scalpellum novaezelandiae Hoek, 1883: 124 , pl. 5 figs 7, 8. Scalpellum poculum Hoek, 1907: 100 , pl. 8 figs 4, 4a.

Verum novaezelandiae . — Zevina, 1981: 288, fig. 165.

Material examined. CEL-BB-76, 2 specimens, Stn. CP364 (22º06.335’N, 121º08.224’E, 24 Aug. 2006, depth: 1260–1275 m), on sunken wood, CL 4.22–6.86 mm, CW 1.86–3.15 mm, PL 0.94–0.96 mm.

Diagnosis. Capitulum elongated, higher than wide, 14 fully calcified, white, plates; inframedian latus pentagonal or vase-shaped, umbo sub-basal; carinolatus with basicarinal angle not extending beyond carina.

Description. Capitulum elongated, flattened, 14 fully calcified, closely packed, smooth, white plates ( Fig. 1 I); tergum triangular, umbo apical, occludent and scutal margins straight, intersecting at right angles; scutum quadrangular, apex produced at tergal margin, umbo apical, occludent margin straight, lateral margin slightly convex; upper latus pentagonal, apex produced at tergal-scutal angle, umbo apical ( Fig. 1 I); inframedian margin shortest; inframedian latus pentagonal or vase-shaped, umbo submedial; rostrolatus quadrangular, wider than high (Fig. lI); carinolatus higher than wide, umbo at basicarinal angle, angle not extending beyond scutum; carina bowed, roof flat; rostrum small, oval-shaped; peduncle covered by dense scales ( Fig. 1 I). Maxilla bilobed, setae clumped into 2 main clusters, sparse setae on superior margin ( Fig. 12 A); cutting edge of maxillule notched, 4 cuspidate setae above notch, notch naked,> 6 cuspidate setae below notch ( Fig. 12 B); mandible with 3 large teeth, first separated from second and third ( Figs 12 C, G); lower margin short, pectinated, inferior angle pectinated by>3 large, cuspidate setae ( Fig. 12 E); mandibular palp triangular, setae along superior margin and apically, inferior margin naked ( Fig. 12 D); labrum with fine, sharp teeth on cutting edge ( Figs 12 F, H). Cirrus I separated from remaining cirri, rami unequal; outer ramus slender, longer, 9- segmented, inner ramus broader, short, 6-segmented ( Fig. 13 A); cirri II–VI with rami subequal; cirrus II with outer ramus 13-segmented, inner ramus 14-segmented ( Fig. 13 B); cirrus VI with outer ramus 15-segmented, inner ramus 17-segmented ( Fig. 13 C); caudal appendage very short,1-segmented, length <height of basal segment of pedicle of cirrus VI ( Fig. 13 D).

Distribution. Pacific Ocean, including Taiwan.

Remarks. This is a new record for Taiwanese waters.

Figures

FIGURE 1. Taiwanese deep-sea barnacles (right side view). A. Glyptelasma gigas, B. Euscalpellum rostratum, C. Arcoscalpellum truncatum, D. Tarasovium orientale, E. Trianguloscalpellum diota, F. Trianguloscalpellum hirsutum, G. Trianguloscalpellum regium, H. Trianguloscalpellum weltnerianum, I. Verum novazelandiae.

FIGURE 12. Verum novaezelandiae. A. Maxilla, B. Maxillule, C. Mandible, D. Mandibular palp, E. Lower margin of mandible, F. Labrum, G. Second tooth of mandible, H. Cutting edge of mandible, showing fine teeth. Scale bars in µm.

FIGURE 13. Verum novaezelandiae. A. Cirrus I, B. Cirrus II, C. Cirrus VI, D. Caudal appendage.