2. Alpheus sulcatus Kingsley, 1878

– Reported from French Guiana in GBIF (2023) at https://www.gbif.org/occurrence/3847662423, from “Inventaire National du Patrimoine Naturel (2021). Nouveau pont du Larivot sur la rivière de Cayenne et ses raccordements à la RN1 bidirectionnelle”. This is an IWP species, presence in sGuianas must be more formally confirmed.