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      A new nematode species (Seuratoidea, Cucullanidae) parasitizing Parauchenipterus striatulus (Steindachner, 1876) (Pisces, Auchenipteridae) in Brazil

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          Abstract

          A new species of a cucullanid nematode is described, illustrated and compared with Cucullanus brevispiculus Moravec, Kohn & Fernandes, 1993 and C. rhamphichthydis Moravec, Kohn & Fernandes, 1997, two species previously reported as parasitizing freshwater fish in South America. The new species is characterized mainly by markedly short spicules, deirids and excretory pore situated posterior to the oesophago-intestinal junction, presence of strongly sclerotized plates in the oesophastome and oesophagus divided into two distinct portions.

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          New observations on seuratoid nematodes parasitic in fishes of the Paraná River, Brasil.

          F Moravec, A. Kohn, B. M. M. FERNANDES (1997)
          The present paper comprises a systematic survey of nematodes of the superfamily Seuratoidea collected from fishes of the Paraná River, southern Brazil, in 1992-1995. The following species were recorded: Neoparaseuratum travassosi Moravec, Kohn et Fernandes, 1992, Spectatus sp., Seuratoidea gen. sp. larvae, Cucullanus brevispiculus Moravec, Kohn et Fernandes, 1993, C. pinnai pinnai Travassos, Artigas et Pereira, 1928, C. pinnai pterodorasi subsp. n., C. rhamphichthydis sp. n., C. zungaro Vaz et Pereira, 1934, and Dichelyne pimelodi sp. n. C. pinnai pterodorasi (type host Pterodoras granulosus) differs from C. p. pinnai in the shape of the oesophagus and in the position of the nerve ring. C. rhamphichthydis (only females) (type host Rhamphichthys rostratus) is characterized mainly by the postoesophageal position of the excretory pore and deirids, complex structure of the cuticular lining of oesophastome and by markedly narrow body, whereas D. pimelodi (one male) (type host Pimelodus sp.) by the length of spicules (1.46 mm), postoesophageal position of the excretory pore and deirids and by the arrangement of genital papillae. Most species are briefly described (females of C. brevispiculus and Seuratoidea gen. sp. larvae for the first time) and illustrated and some problems concerning their taxonomy, hosts and geographical distribution are discussed.
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            Nematode parasites of fishes of the Paraná River, Brazil. Part 2. Seuratoidea, Ascaridoidea, Habronematoidea and Acuarioidea

            F. MORAVEC, A. KOHN, BMM FERNANDES … (1993)
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              Dichelyne moraveci n. sp., parasite de Pseudoplatystoma fasciatum et notes sur les Cucullanidae du Paraguay

              AJ Petter (1995)
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                Author and article information

                Contributors
                Narcisa IB Moreira: Role: ND
                Gilberto N Rocha: Role: ND
                Hélio MA Costa: Role: ND
                Journal
                Journal ID (publisher): mioc
                Title: Memórias do Instituto Oswaldo Cruz
                Abbreviated Title: Mem. Inst. Oswaldo Cruz
                Publisher: Instituto Oswaldo Cruz, Ministério da Saúde (Rio de Janeiro )
                ISSN: 1678-8060
                Publication date (Print): January 2000
                Volume: 95
                Issue: 1
                Pages: 39-41
                Affiliations
                [1 ] Universidade Federal de Minas Gerais Brazil
                Article
                Publisher ID: S0074-02762000000100005
                DOI: 10.1590/S0074-02762000000100005
                SO-VID: de451903-17aa-46f1-8861-4aee74ff421b
                License:

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0074-0276&lng=en
                Categories
                Subject: PARASITOLOGY
                Subject: TROPICAL MEDICINE

                ScienceOpen disciplines: Parasitology,Infectious disease & Microbiology
                Keywords: nematodes,Cucullanus,new species,Parauchenipterus,freshwater fish,South America,Brazil
                Data availability:
                ScienceOpen disciplines: Parasitology, Infectious disease & Microbiology
                Keywords: nematodes, Cucullanus, new species, Parauchenipterus, freshwater fish, South America, Brazil

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