title: The first record of the copepod genus Clausidium Kossmann, 1875 (Crustacea: Copepoda: Poecilostomatoida: Clausiididae) parasitic on burrowing callianassid shrimps from the Black Sea
abstract: The species of Clausidium Kossmann, 1875 (Crustacea: Copepoda: Poecilostomatoida: Clausidiidae) identhified as Clausidium apodiformis (Philippi, 1839) is recorded for the first time parasitic on shallow water burrowing callianassid shrimp Pestarella candida (Olivi, 1792) (Decapoda: Axiidea: Callianassidae) from Kazachiya Inlet (Sevastopol') of Crimean Peninsula, representing the first record of the species and the genus from the Black Sea. Remarks on the ecology of this copepod species in the Bl
journal: rej