Cheсklist of gastropod molluscs in mangroves of Khanh Hoa province, Vietnam Author Zvonareva, Sofya Author Kantor, Yuri text Zootaxa 2016 4162 3 401 437 journal article 10.11646/zootaxa.4162.3.1 bc54479e-1a51-4fea-861e-757a5a391348 1175-5326 254973 DDBC36A0-5305-45FD-9C79-170C53B72DA9 Gutturnium muricinum ( Röding, 1798 ) Figs 7 N–O Distorsio muricina Röding, 1798 : 133 . Cymatium ( Gutturnium ) muricinum : Beu 1998 : figs 23d, 25 (full synonymy); Okutani 2000 : 288 –289, pl. 143, fig. 24; Thach 2005 : 103 , pl. 31, figs 2, 11; Poppe 2008a : 266 –267, pl. 265, figs 1, 4; Zvonareva et al . 2015 : 9 . Material examined. Dam Bay , mangrove plantation, 5 specimens . Abundance. Uncommon. Measurements. Up to 63 mm ( Thach 2005 ). Ecological notes. On intertidal rocky bottom ( Okutani 2000 ). In studied sites it was found on rocks and seedling stems in lowest part of intertidal zone. Relation to mangroves. Eurybiotic. Distribution in Vietnam . Central coast ( Thach 2005 ). General distribution. Red Sea; Indian Ocean, throughout the tropical western Pacific ( Beu 1998 ).