Ichthyotachynectes Hurtado-Gómez, Daza, Vargas-Ramírez, Deepak & Fritz, 2024, nom. nov.

Genus:Ichthyotachynectesnom. nov. Synonymy. Tachynectes von der Mark, 1863 (invalid junior homonym of Tachynectes Fitzinger, 1843) Type species. Tachynectes macrodactylus von der Marck, 1863. Diagnosis. For diagnosis and synapomorphies, see von der Marck (1863) and Dietze (2009). Content. Three species according to Dietze (2009), Ichthyotachynectes macrodactylus (von der Marck, 1863), comb. nov., I. longipes (von der Marck, 1863), comb. nov., I. brachypterygius (von der Marck, 1863), comb. nov. Etymology. The new name (male gender) means “ fish that swims fast ” (from the classic Greek ichthyos = fish, tachys = fast, nectes = swimming). The name intends to keep the initial meaning of Tachynectes (fast swimmer), but adding a prefix indicating the taxonomic group. Comments. The homonymy of Tachynectes Fitzinger, 1843 and Tachynectes von der Mark, 1863 was already acknowledged by White and Moy-Thomas (1941), but overlooked by subsequent authors.