New Data on Rare and Poorly Studied Spiny-Headed Worms (Acanthocephala) from Birds of Russia
Based on materials from the north-west of Chukotka, the paper presents illustrated morphological descriptions of five species of birds’ acanthocephalans, rare and insufficiently studied both for the Arctic and Subarctic acanthocephalan fauna and for the fauna of Russia, in general: Polymorphus gavii Hohlova, 1965; P kostylewi Petrotschenko, 1949; Andracantha mergi (Lundstrom, 1941); Arhythmorhynchus sp. Atrashkevich, 1981 and Bolbosoma sp. Atrashkevich, 1981.