TL;DR: The supraspecific taxa of the Recent Tibia-like gastropods are reviewed and it is shown that based on conchological characters these taxa are better regarded as genera rather than subgenera.
Abstract: The supraspecific taxa of the Recent Tibia-like gastropods are reviewed. Based on conchological characters these taxa are better regarded as genera rather than subgenera. The family-level taxon Rostellariidae Gabb, 1868, which accommodates the recent Tibia-like taxa as well as a number of fossil genera, is recognised as closely related to but separated from the Strombidae. The exact relationships within this clade remain uncertain. Lectotypes for the nominal taxa Murex fusus Linnaeus, 1758, Strombus fusus Linnaeus, 1767, and Tibia insulaechorab Roding, 1798. are designated.
TL;DR: Based on material collected during two expeditions to Yemen, the distribution of two species of Tibia Roding, 1798 occurring along the Yemeni coastline, was given in this article, where the status of the Tibia insulaechorab Roding and Tibia curta was discussed.
Abstract: Based on material collected during two expeditions to Yemen, the distribution is given of two species of Tibia Roding, 1798 occurring along the Yemeni coastline. Comments are given on the status of Tibia insulaechorab Roding, 1798, and Tibia curta (Sowerby II, 1842). It is shown that both are different species which occur in different areas.