NDLI: A morphological and molecular study of two species of Raphidascaroides Yamaguti, 1941 (Nematoda: Anisakidae), parasites of doradid catfish (Siluriformes) in South America, with a description of R. moraveci n. sp.

Content Provider	Springer Nature Link
Author	Pereira, Felipe B. Tavares, Luiz E. R. Scholz, Tomáš Luque, José L.
Copyright Year	2015
Abstract	Nematodes of the genus Raphidascaroides Yamaguti, 1941 parasitising doradid catfishes (Siluriformes: Doradidae) in Brazil were studied based on morphological and molecular evaluation of newly collected material. A new species, Raphidascaroides moraveci n. sp., is described from the intestine of Platydoras armatulus (Valenciennes) from River Miranda, River Paraguay basin, Pantanal, Mato Grosso do Sul. The new species differs from all of the congeners in having short spicules (163–217 μm in length) representing less than 1% of the total body length and in the posterior region of cloacal opening covered by small rudimentary spines. In addition, it differs from the other congeneric species in the number and arrangement of the caudal papillae and the structure of lips and tail. Raphidascaroides moraveci n. sp. is the third species described from freshwater fishes and the second one in the Neotropical Region. New morphological data on R. brasiliensis Moravec & Thatcher, 1997 from Megalodoras uranoscopus (Eigenmann & Eigenmann) and Platydoras costatus (Linnaeus) (both new host records) from River Xingu, River Amazon basin, Pará, are provided including scanning electron micrographs of taxonomically important structures. The differentiation of the new species is supported by molecular data (partial sequences of the small and large subunits of the rRNA gene).
Starting Page	49
Ending Page	61
Page Count	13
File Format	PDF
ISSN	01655752
Journal	Systematic Parasitology
Volume Number	91
Issue Number	1
e-ISSN	15735192
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-04-11
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Zoology Animal Systematics/Taxonomy/Biogeography Animal Anatomy Morphology Histology Agriculture Animal Ecology Life Sciences
Content Type	Text
Resource Type	Article
Subject	Parasitology

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