RIAUX-GOBIN, CATHERINE, Marinês GARCIA, Andrzej WITKOWSKI, Pablo SAENZ-AGUDELO, Michel COSTE & Genowefa DANISZEWSKA-KOWALCZYK 2021 (Aug. 2) New Amphicocconeis (Bacillariophyta) from Raivavae and Tahiti Islands (South Pacific) and Porto Belo (Brazil), with re-examination of Psammococconeis Phytotaxa 513(1): 30-54, 73 figs., 3 tables