A checklist of the barnacles (Crustacea: Cirripedia: Thoracica) of the Persian Gulf and Gulf of Oman with nine new records Author Shahdadi, Adnan Author Sari, Alireza Author Naderloo, Reza text Zootaxa 2014 3784 3 201 223 journal article 46112 10.11646/zootaxa.3784.3.1 ec0abf7e-df4b-4818-a30d-181e6b7df707 1175-5326 251571 0264007A-B68D-49BB-A5EC-41373FF62ED3 Amphibalanus amphitrite ( Darwin, 1854 ) ( Figs 7 a–n) FIGURE 7. Amphibalanus amphitrite (Darwin, 1854) ; a–d. typical tergum and scutum from a conic shell, a. tergum, external view; b. tergum, internal view; c. scutum, external view; d. scutum, internal view; e–h. elongated tergum and scutum from a depressed shell; e. tergum, external view; f. tergum, internal view; g. scutum, external view; h. scutum, internal view; i–.l. tergum and scutum, from an exposed, eroded specimen; i. tergum, external view; j. tergum, internal view; k. scutum, external view; l. scutum, internal view; m. specimens on a floating object, ZUTC-cirri 1107, Minab, Strait of Hormuz; n. specimens on stone along with Microeuraphia permitini (Zevina & Litvinova, 1970) (brown small specimens), ZUTC-cirri 1102, Minab, Strait of Hormoz. Material examined. ZUTC-cirri 1101, 1102, 1103, 1104, 1105, 1106, 1107, 1108, 1109, 1110, 1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 1120, 1121. Persian Gulf. Nilsson-Cantell (1938) as Balanus amphitrite hawaiiensis from an unknown locality; Stubbings (1961) as B. amphitrite var. communis , and B. amphitrite var. hawaiiensis , from Kuwait ; Utinomi (1969) as B. amphitrite from Hormoz Island; Jones (1986) as B. amphitrite var. communis from Kuwait ( Fig. 1 ); present study. Gulf of Oman . Utinomi (1969) as Balanus amphitrite from an unknown locality; present study. General distribution and habitat. Cosmopolitan in tropical to temperate seas, fouling various substrata, littoral to sublittoral ( Jones et al . 2000 ; present study). Descriptive features and remarks. Specimens examined show some morphological variations. Most specimens with conic shells ( Figs 7 m, n) and typical tergum and scutum ( Figs 7 a–d). In dense clusters, shell cylindrical, but specimens within oyster populations with depressed shell, with tergum and scutum long, narrow ( Figs 7 e–h). Exposed and eroded shells with no purple stripes externally. Tergum with spur short, round, and carinal margin rounded; scutum with articular furrow deep ( Figs 7 i–l). Largest specimen (ZUTC-cirri 1110) with basal diameter 27.2 mm, height 11.2 mm. This species is common in various localities along the Iranian coast, occurring in habitats with salinities ranging from 5 ppt in the Bahmanshir River, together with A. subalbidus ( Fig. 1 ) to 43 ppt. Specimens also attach to various substrata, such as mangrove trunks and pneumatophores, human-made structures, intertidal rocks, mollusc shells, crab carapaces, ship and vessel hulls and floating objects.