Two species, viz., Euprotomus bulla (Röding, 1798) and Tridentarius dentatus (Linnaeus, 1758) belonging to the family Strombidae are reported for the first time from the Andaman and Nicobar Islands, India. The close similarity in the morphological character sets between Euprotomous bulla and Euprotomous aurisdianae may be a reason for overlooking the former species by early workers. We have defined the dissimilarity between both species and have confirmed its occurrence in the Andaman and Nicobar Islands. In the genus Euprotomous, E. bulla is the second species reported from this region. Tridentarius dentatus has been previously reported from mainland India; however, it is reported from these islands for the first time. There exists a paucity of literature on Bufonaria elegans from Indian waters; however, it has been included in OBIS Indo—Pacific Molluscan Database from the vicinity of these Islands at an earlier date. As no comprehensive literature on its occurrence from Indian waters exists, the current report confirms its occurrence and provides notes on its morphology from this region.

首次报道了来自印度安达曼和尼科巴群岛的两个属，即Strombidae属的Eupprotomus bulla（Röding，1798）和Tridentarius dentatus（Linnaeus，1758）。之间的形态学特征集的密切相似Euprotomous大疱和Euprotomous aurisdianae可能是早期的工人俯瞰前种的理由。我们已经定义了两个物种之间的异同，并确认了它在安达曼和尼科巴群岛中的发生。在真核生物属中，大肠埃希氏菌是该区域报道的第二种。牙菌先前有来自印度大陆的报道；但是，这是第一次从这些岛屿上报告。在印度水域，关于线虫Bufonaria elegans的文献很少。但是，它较早就被这些岛屿附近的地区包括在OBIS印度—太平洋软体动物数据库中。由于尚无关于在印度水域发生该病的全面文献，因此本报告证实了该病的发生，并就该地区的形态提供了注释。