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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 108, No. 4, 2013, pp. 476-480
Bioline Code: oc13081
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 108, No. 4, 2013, pp. 476-480

 en Pseudascarophis brasiliensis check for this species in other resources sp. nov. (Nematoda: Cystidicolidae) parasitic in the Bermuda chub Kyphosus sectatrix check for this species in other resources (Perciformes: Kyphosidae) from southeastern Brazil
Pereira, Felipe Bisaggio; Pereira, Aldenice de Nazaré; Timi, Juan Tomás & Luque, José Luis

Abstract

A new species of Pseudascarophis (Nematoda: Cystidicolidae) found in the stomach of Kyphosus sectatrix check for this species in other resources (Linnaeus) (Kyphosidae), off Rio de Janeiro, Brazil, is described. The new species can be differentiated from the other congeners by the presence of lateral alae, distinct but inconspicuous cephalic papillae at the anterior end, three pairs of precloacal and one pair of adcloacal papillae in males, egg morphology and morphometry of glandular oesophagus and spicules. Pseudascarophis tropica check for this species in other resources is transferred to Ascarophis as Ascarophis tropica check for this species in other resources (Solov’eva) comb. n. due to its ambiguous diagnosis.

Keywords
Cystidicolidae; Pseudascarophis; marine fish; Kyphosus; Rio de Janeiro; Brazil

 
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