(Oʻahu) Kaala subrutila: This species is found on and named after the highest point of O‘ahu, Mt. Ka‘ala. The genus is endemic to O‘ahu and contains only one species (monotypic). This species is one of the few remaining ground-dwelling snails that occasionally can be found on shrubs and ferns but is primarily found among the leaf litter. The conservation status of this species is Near Vulnerable.