Megabalanus occator ( Darwin, 1854 )

Shahdadi, Adnan, Sari, Alireza & Naderloo, Reza, 2014, A checklist of the barnacles (Crustacea: Cirripedia: Thoracica) of the Persian Gulf and Gulf of Oman with nine new records, Zootaxa 3784 (3), pp. 201-223 : 217

Megabalanus occator ( Darwin, 1854)

( Figs 11 e–h, i)

Material examined. ZUTC-cirri 1185.

Persian Gulf. No record.

Gulf of Oman. First record from the Gulf of Oman.

General distribution and habitat. Indo-West Pacific; on intertidal rocks, known as a fouling species ( Henry & McLaughlin 1986; and present study).

Descriptive features and remarks. Shell conic, without spine-like projections, sometimes ribbed (fig. 11i). Summit of radii rather oblique. Shell colour violet with white stripes. Scutum with hood-like projection (fig. 11f). Tergum with spur furrow open (fig. 11h). Largest specimen with basal diameter 32.48 mm, height 25.73 mm. Specimens were collected from intertidal rock in Chabahar (25° 19'N, 60° 37'E) ( Fig. 1 ).

Figures

FIGURE 1. Map of sampling sites of the species recorded in the Persian Gulf and the Gulf of Oman.

FIGURE 11. a – d: Megabalanus coccopoma (Darwin, 1854); a. scutum internal, view; b. scutum, external view; c. tergum, internal view; d. tergum, external view. e-h: Megabalanus occator (Darwin, 1854); e. scutum, internal view; f. scutum, external view; g. tergum, internal view; h. tergum, external view; i. Megabalanus occator, ZUTC-Cirri 1185, Chabahar, Gulf of Oman; j. Megabalanus coccopoma, ZUTC-cirri 1179, Chabahar, Gulf of Oman; k. Megabalanus coccopoma, ZUTC-cirri 1181, Chabahar, Gulf of Oman.