Radiodiscus hollidayi is a minute species of air-breathing land snail, a terrestrial gastropod mollusk or micromollusk in the family Charopidae. Distribution This species is currently only known from the island of Trinidad in Trinidad & Tobago. The type locality is alongside the North Coast Road, San Juan-Laventille region, Trinidad, in leaf litter. References External links Image of the holotype specimen held at the Natural History Museum, London hollidayi Gastropods described in 2020 Fauna of Trinidad and Tobago