ZIDAROVA, R., POTTIEZ, M., IVANOV, P., HAAN, M.D. and VIJVER, B.V.D. 2023. <em>Amphora micrometra</em> Giffen and <em>Halamphora valdeminutissima sp. nov.</em>, two tiny benthic diatom species observed in the Black Sea. Phytotaxa. 626, 3 (Nov. 2023), 199–207. DOI:https://doi.org/10.11646/phytotaxa.626.3.6.