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The study of the surface topography added details regarding the disposition of male caudal papillae, spicules and area rugosa apart from vulva and oral aperture. The occurrence of this nematode in the state of Amapá represents a new geographical distribution.

Submitted by Alberto Vieira (martins_vieira@ibest.com.br) on 2018-08-14T00:02:56Z No. of bitstreams: 1 459033.pdf: 3360742 bytes, checksum: e1809e46162d5e5a208adab3c8dfde7d (MD5) Made available in DSpace on 2018-08-14T00:02:56Z (GMT). No. of bitstreams: 1 459033.pdf: 3360742 bytes, checksum: e1809e46162d5e5a208adab3c8dfde7d (MD5) Previous issue date: 1989 CAPES Aspidodera (= Ansiruptodera Skrjabin & Shikhobalova, 1947 n. syn.) é apresentado neste estudo com oito espécies: A. scoleciformis (Diesing, 1851) Railliet & Henry, 1912; A. subulata (Molin, 1860) Railliet & Henry, 1912; A. fasciata (Schneider, 1866) Railliet & Henry, 1913; A. binansata Railliet & Henry, 1913 (= Aspidodera agoutiae Cameron & Reesa1, 1951 n. syn.); A. raillieti Travassos, 1913 (=A. harwoodi Chandler, 1932 n. syn., Aspidodera sp. Masi Pallarés & Vergara, 1970 n. syn. A. diaz-ungriai Masi Pallarés & Usher, 1971 n. syr, e A. vicentei P into, Kohn, Fernandes & Mello, 1982 n. syn.); A. ansirupta Proença, 1937; A. vazi Proença, 1937 e A. lacombeae V itente, 1964. Parasitam Marsupialia, Edentata e Rodentia da Região Notropical. Apenas uma espécie ocorre na Região Neártica. Os cordões da coifa são aqui adotados como tendo grande importância sistemática, e uma nova chave de classificação é proposta para o gênero. Aspidodera (= Ansiruptodera Skrjabin & Shikhobalova, 1947 n. syn.) is related with eight species: A. scoleciformis (Diesing, 1851) Railliet & Henry, 1912; A. subulata (Molin, 1860) Railliet & Henry, 1912; A. fasciata (Schneider, 1866) Railliet & Henry, 1913 A. binansata Raillieti & Henry, 1913 (=A. agoutiae Cameron & Reesal, 1951 n. syn.); A. raillieti Travassos, 1913 (=A. harwoodi Chandler, 1932 n. syn., Aspidodera sp. Masi Pallarés &: Vergara, 1970 n. syn., A. diaz-ungriai Masi Pallarés & Usher, 1971 n. sy n. and A. vicentei Pinto, Kahn, Fernandes, Mello, 1982 n.sy n.); A. an sirupt a Proentia, 1937; A. vazi Proença, 1937 and A. lacom beae Vicente, 1964. Parasitize Marrsupialia, Edentata and Rodent ia in the Neotropical Re9 i on. Only one spec ies occurs in the Nearctic Region. Cephal ic cordons are cons ider ed as a valid systemat ic character and a new key for the spec ies of the genus is proposed.