Tetraclitella karandei Ross, 1971

Trivedi, Jigneshkumar N., Doshi, Mahima, Patel, Krupal J. & Chan, Benny K. K., 2021, Diversity of intertidal, epibiotic, and fouling barnacles (Cirripedia, Thoracica) from Gujarat, northwest India, ZooKeys 1026, pp. 143-178 : 143

Tetraclitella karandei Ross, 1971 Figures 3C-E , 10

Examined material.

Five specimens (BD: 5-10 mm), ASIZCR000454, Nagoa Beach, Diu (20°42.12'N, 70°55.02'E), 22 March 2010, Gujarat, India, rocky shore, leg. B.K.K. Chan.

Diagnosis.

Shell four-plated, surface of radii protruding with digit-like horizontal striations up to the shell apex, shell surface with fine hairs and chitin coating (Fig. 3C, D ). Opercular plates white, scuta triangular, occludent margin and basal margin almost perpendicular, tergal margin straight; tergum higher than wide, scutal margin straight, spur small (Fig. 3E ). Maxilla bilobed (Fig. 10A ). Maxillule notched, with two cuspidate setae above notch (Fig. 10B ). Mandible having four teeth, the 3rd and 4th of which are triple-dentated (Fig. 10C ). Labrum slightly bullate, with two small teeth on each cutting edge (Fig. 10D ). Mandibulatory palp elongated with dense setae on superior angle (Fig. 10E ). Cirrus I: anterior ramus seven-segmented, posterior ramus longer and slender, nine-segmented. Cirrus II: rami subequal, anterior ramus six-segmented, posterior ramus seven-segmented (Fig. 10F-H ). Cirrus III: both rami slender, anterior ramus 13-segmented, posterior ramus 14-segmented. Intermediate segment bears two pairs of long simple setae and three pairs of short simple setae (Fig. 10F-H ).

Remarks.

This species inhabits intertidal shore of the rocky intertidal region of Gujarat.

Worldwide distribution.

This species has been recorded in India and Taiwan ( Ross 1971, 1972).

Distribution in India.

This species has been reported from Gujarat (present study) and Mumbai ( Ross 1971; Fernando 2006).

Figures

Figure 3. A Tetraclita ehsani LFSc. ZRC- 184 on shores of Diu B Tetraclita ehsani, external and internal view of scutum and tergum C Tetraclitella karandei ASIZCR 000454 on shores at Diu D shell of T. karandei E Tetraclitella karandei external and internal view of scutum and tergum F Chthamalus barnesi on shores G close up view of C. barnesi LFSc. ZRC- 160 H Internal and external view of scutum and tergum of C. barnesi I Microeuraphia withersi LFSc. ZRC- 161 (BD: 6.01 mm) J internal and external view of scutum and tergum of M. withersi.

Figure 10. Tetraclitella karandei Ross, 1971, (BD: 8.37 mm), ASIZCR 000454, Light microscopy on mouth parts A maxilla B maxillule C mandible D labrum E mandibulatory palp F cirrus I G cirrus II H cirrus III. Scale bars in µm.