Tetraclitella karandei Ross, 1971

Pitriana, Pipit, Valente, Luis, von Rintelen, Thomas, Jones, Diana S., Prabowo, Romanus E. & von Rintelen, Kristina, 2020, An annotated checklist and integrative biodiversity discovery of barnacles (Crustacea, Cirripedia) from the Moluccas, East Indonesia, ZooKeys 945, pp. 17-83 : 17

Tetraclitella karandei Ross, 1971 Figure 14a-g , Table 1: species no. 60

Tetraclitella (Tetraclitella) karandei : Ross & Perreault, 1999: 6.

Tetraclitella karandei Ross, 1971: 217, figs 2-3, 4A-J; Newmann and Ross 1979: 47; Chan et al. 2009a: 214, fig.184.

Material examined.

Ambon Island: 10 specimens, MZB Cru Cir 121, Waitatiri, 3°37'04.0"S, 128°16'20.3"E, coll. P. Pitriana & D. Tala, 21 Sep 2017; 2 specimens, MZB Cru Cir 122, Asilulu, 3°40'50.4"S, 127°55'27.6"E, coll. Adin, 20 Sep 2017.

Diagnosis.

Shell with four plates, tubiferous, not strongly articulated; radii tubiferous; summit of radii horizontal and elevated above the surface of the parietes; parietes with longitudinal ribs; scutum with nodose ornamentation.

Description.

Shell with orifice diamond shaped, colour greyish (Fig. 14a ); surface of parietes with chitinous coating and fine hairs, parietes with longitudinal ribs intercalated with lower secondary and tertiary ribs; radii broad, horizontally ridged from base to apex; scutum triangular, occluding and basal margins almost perpendicular, tergal margin straight, surface ornamentation nodose; tergum higher than wide, scutal margin straight, spur small; mandible with four teeth (Fig. 14g ), labrum slightly notched, two small teeth on each cutting edge. Basal length 10.1-17.4 mm, basal width 8.2-18.2 mm, height 0.4-0.7 mm. Orifice length 3.8-5.6 mm, orifice width 2.7-5.2 mm (measurements for three specimens are presented in Suppl. material 1: Table S13).

Distribution.

Tetraclitella karandei was previously recorded from India, Taiwan, the Philippine ( Chan et al. 2009a). In this study, T. karandei was found on Ambon Island at Waitairi and Asilulu on stone, on the shells of Capitulum mitella and Euraphia hembeli (a map with the occurrence of Tetraclitella karandei in the Moluccas is shown in Suppl. material 1: Fig. S2).

Remarks.

Tetraclitella karandei can be distinguished by its radii, which are broad and have extended out and over the adjoining plates. The scutum is also unique because it has nodose ornamentation ( Ross 1971).

Figures

Figure 14. Tetraclitella karandei Ross, 1971 (MZB Cru Cir 122 - 2) on tergum of Capitulum mitella a upper view of Tetraclitella karandei on Capitulum mitella b external view of scutum c internal view of scutum d external view of tergum e internal view of tergum f maxillule g mandible. Scale bars: 15 mm (a); 1 mm (b-e); 0.25 mm (f-g).