Pictorial key of the adult male P5 of Tropodiaptomus species found in Thailand. Right exp-2 of P5 of Tropodiaptomus lanaonus and T. hebereri were modified from Kiefer (1982).

 
 
  Part of: Saetang T, Maiphae S (2023) Diversity of the genus Tropodiaptomus Kiefer, 1932 (Crustacea, Copepoda, Calanoida, Diaptomidae) in Thailand, with the description of two new species. Zoosystematics and Evolution 99(2): 399-422. https://doi.org/10.3897/zse.99.105511