Malayacylus terengganuensis, Tang & Mychko & Feldmann & Schweitzer & Shaari & Sone, 2023

Tang, Hung Yung, Mychko, Eduard V., Feldmann, Rodney M., Schweitzer, Carrie E., Shaari, Hasrizal & Sone, Masatoshi, 2023, Validation of Malayacyclus Tang, Mychko, Feldmann, Schweitzer, Shaari & Sone, a cyclidan crustacean from the Early Carboniferous of Terengganu, Malaysia, Zootaxa 5318 (3), pp. 439-440 : 440

Malayacylus terengganuensis sp. nov.

Malayacyclus terengganuensis Tang, Mychko, Feldmann, Schweitzer, Shaari & Sone, 2021: 4 , figs. 4, 5 [unavailable].

Type material. HOLOTYPE: UMF10942 , eastern side of Bukit Buchu , Terengganu, Peninsular Malaysia, 05°26.459’N, 103°02.791’E . PARATYPES: UMF10943 and 10944, eastern side of Bukit Buchu , Terengganu, Peninsular Malaysia, 05°26.848’N, 103°02.619’E .

Occurrence. Early Carboniferous (Visean), Terengganu, Peninsular Malaysia.

Diagnosis. Carapace large, bilaterally symmetrical; rostrum anteriorly extended and optical notches placed at the rostral extremities; anterior regions well-defined, with a pair of strong median concentric keels extended posteriorly; marginal rim wide, with three posterior spines developed at the posterior margin.

Etymology. Named for Terengganu, Peninsular Malaysia, the state in which the type locality is located.

Remarks. A full description and figures of Malayacyclus terengganuensis as well as detailed information about the type locality and horizon are provided in Tang et al. (2021).