Riaux-Gobin, C.; Jordan, R. W.; Delrieu-Trottin, E.; Williams, D.; Burns, L.; Valenzuela, T. S. On the Non-Homologous Nature of the ‘cavum’ in Achnanthidiaceae (Bacillariophyta) As Illustrated by Xenobennettella moai sp. nov., a Marine Benthic Diatom from Easter Island (Rapa Nui, South Pacific). Phytotaxa 2026, 770, 1-19.