Oswaldocruzia belenensis n. sp. (Strongylida: Molineidae) from the small intestine of Chaunus marinus (L.) from Belém, Pará State, Brazil is described and illustrated by light and scanning electron microscopy. Oswaldocruzia belenensis n. sp. is a neotropical species of this genus, harboring caudal bursa Type II, spicules divided in 3 branches, i.e., a blade, shoe, and fork. The blade is divided in 4 points, of which at least 2 are bifurcated. Cervical alae are absent; there is a simple cephalic vesicle and synlophe with low ridges perpendicular to the body without chitinous supports. The most closely related species are O. bonsi and O. lescurei. Oswaldocruzia belenensis n. sp. differs from O. lescurei and O. bonsi by the number and location of cephalic papillae, rays 2–3 and 5–6 running parallel and slightly separated, ray 6 not overlapping ray 8, and body structure morphometry. Oswaldocruzia belenensis n sp. also differs from O. lescurei by the discontinuity of the longitudinal ridges, the number of subdivisions of the blade, and the absence of extra processes at the bifurcation level of the fork of the spicules. The new species differs from O. bonsi by male and female body dimensions, the symmetry of the caudal bursa, dimension and subdivisions of the spicules without extra processes of the fork, 2 extra processes at the distal division of the blade, and location of ray 7 at the anterior margin of the cloacal aperture. Oswaldocruzia belenensis n. sp. represents the 82nd species assigned to the genus.
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February 2008
SYSTEMATICS-PHYLOGENETICS|
February 01 2008
A New Species of Oswaldocruzia (Molineidae: Nematoda) in Chaunus marinus (Amphibian: Bufonidae) (Linneaus, 1758) from Brazil Available to Purchase
Jeannie N. Santos;
Jeannie N. Santos
Laboratório de Biologia Celular–Centro de Ciências Biológicas, Universidade Federal do Pará, Av. Augusto Correa, s/n CEP. 66075.110 Belém, Pará, Brazil. [email protected]
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Elane G. Giese;
Elane G. Giese
Laboratório de Biologia Celular–Centro de Ciências Biológicas, Universidade Federal do Pará, Av. Augusto Correa, s/n CEP. 66075.110 Belém, Pará, Brazil. [email protected]
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Arnaldo Maldonado, Jr.;
Arnaldo Maldonado, Jr.
Laboratório de Biologia Celular–Centro de Ciências Biológicas, Universidade Federal do Pará, Av. Augusto Correa, s/n CEP. 66075.110 Belém, Pará, Brazil. [email protected]
* Laboratório de Biologia e Parasitologia de Mamíferos Silvestres Reservatórios, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz Av. Brasil, 4365, Manguinhos CEP, 21045-900, Rio de Janeiro, RJ, Brazil
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Reinalda M. Lanfredi
Reinalda M. Lanfredi
Laboratório de Biologia Celular–Centro de Ciências Biológicas, Universidade Federal do Pará, Av. Augusto Correa, s/n CEP. 66075.110 Belém, Pará, Brazil. [email protected]
† To whom correspondence should be address. Laboratório de Biologia de Helmintos Otto Wucherer, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, Bl. G., Ilha do Fundão, 21949-902, Rio de Janeiro, RJ, Brazil
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J Parasitol (2008) 94 (1): 264–268.
Citation
Jeannie N. Santos, Elane G. Giese, Arnaldo Maldonado, Reinalda M. Lanfredi; A New Species of Oswaldocruzia (Molineidae: Nematoda) in Chaunus marinus (Amphibian: Bufonidae) (Linneaus, 1758) from Brazil. J Parasitol 1 February 2008; 94 (1): 264–268. doi: https://doi.org/10.1645/GE-1336.1
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