New species of diatoms is described from Tenerife's coastal rhodophyte, highlighting biodiversity implications.
Samples of epiphytic diatoms were collected from the coasts of Tenerife (Canary Islands, Spain), which are exposed to significant physical stress caused by the strong hydrodynamic influence of waves. A new diatom, Campyloneis tenerifensis sp. nov. collected from the epiphyton of the rhodophyte Gelidium arbuscula Bory ex Børgesen, is described here based on light and scanning electron microscopy observations. Campyloneis tenerifensis is characterized by having a sigmoid raphe separating it from C. grevillei (W. Smith) Grunow & Eulenstein that possesses a straight raphe. Other differences between the new species and morphologically similar taxa are discussed. A taxonomic history of the genus Campyloneis is provided. The present work is only the second report of new benthic diatom species described from the Canary Islands.
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Al-Handal et al. (2026) studied this question.
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