A new species of Orientatractis (Nematoda: Cosmocercoidea: Atractidae) parasite of Yellow-Spotted Amazon River Turtle, Podocnemis unifilis Troschel, 1848 (Testudines: Podocnemididae) in Brazilian Amazon

The current study describes a new species of nematode, Orientatractis matosi n. sp. (Atractidae), from the stomach and large intestine of Podocnemis unifilis Troschel, 1848 (Testudinidae), collected in the Tocantins and Xingu rivers in the Brazilian state of Pará. The new species was described using...

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Bibliographic Details
Main Authors: Ronald Ferreira Jesus, Sara Caroline Gama Oliveira, Isabel Mercedes Centeno Ramos, Francisco Tiago Vasconcelos Melo
Format: Article
Language:English
Published: Elsevier 2023-12-01
Series:International Journal for Parasitology: Parasites and Wildlife
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2213224423000731
Description
Summary:The current study describes a new species of nematode, Orientatractis matosi n. sp. (Atractidae), from the stomach and large intestine of Podocnemis unifilis Troschel, 1848 (Testudinidae), collected in the Tocantins and Xingu rivers in the Brazilian state of Pará. The new species was described using light and scanning electron microscopy and differs from its congeners mainly in the number and distribution of the male caudal papillae and by having a shorter right spicule. Orientatracits matosi n. sp. is the eleventh species of the genus Orientatractis Petter, 1966, the third reported from the Amazon, and the second described from P. unifilis.
ISSN:2213-2244