Pontoppidania, Oudemans, 1923

Maslov, S. I., 2014, A Redescription Of Pontoppidania Pontica (Acari, Astigmatina, Acaridae) Inhabiting Algal Debris On Seashores Of Black And Azov Seas Of Crimea (Ukraine), Vestnik Zoologii 48 (2), pp. 167-172 : 172

Key to world species of the genus Pontoppidania (males only)

1. Solenidion ω 1 on tarsus I widened distally, setae cp very long, pointed, more than 6 times longer than c 2, setae e 2 very long, pointed, much longer than f 2. ............................................. P. littoralis ( Halbert, 1920)

— Solenidion ω 1 on tarsus I tapering distally, setae cp not so long, blunt-ended, less than 3 times longer than c 2, setae e 2 not so long, blunt-ended, distinctly shorther than f 2. ..................................................................... ..................................................................................................................... P. pontica ( Volgin et Shchur, 1974)