- Didymodon rigidulus, Barbula acuta;Didymodon acutus;Tortula gracilis
- Lagenorhynchus acutus, Atlantic White-sided Dolphin;Atlantic white-sided dolphin;Delphinus acutus
- Ponometia acutus, Conochares acutus;Ponometia catalina;Conochares catalina
- Scaphytopius acutus, Sharpnosed leafhopper;Jassus acutus;Platymetopius modestus Stal, 1854;Cloanthanus filamentus DeLong, 1945;Cloanthanus tenuis DeLong, 1945;Platymetopius magdalensis Provancher, 1889;Scaphytopius magdalensis
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