NDLI: Taxonomic status of Woodland’s enigmatic tapeworms (Cestoda: Proteocephalidea) from Amazonian catfishes: back to museum collections

Content Provider	Springer Nature Link
Author	Chambrier, Alain Scholz, Tomáš Kuchta, Roman
Copyright Year	2013
Abstract	Poorly known proteocephalidean cestodes of peculiar morphology, described by Woodland (1934) from pimelodid catfishes in Amazonia, Brazil, were studied. Re-examination of their type-specimens and evaluation of newly-collected material from Brazil and Peru made it possible to clarify their taxonomic status. Brayela karuatayi (Woodland, 1934), the type-species of the monotypic Brayela Rego, 1984, which has never been recorded since its original description, is redescribed and its scolex morphology, which has been misinterpreted in the original description, was studied using scanning electron microscopy (SEM). The actual definitive host of B. karuatayi is not a species of Glanidium Lütken (Auchenipteridae), but coroatá, Platynematichthys notatus (Jardine) (Pimelodidae). Peru is a new geographical record for B. karuatayi. The definitive host of other two proteocephalidean cestodes, Megathylacus jandia Woodland, 1934 and Proteocephalus jandia Woodland, 1934, is not a species of Rhamdia Bleeker (family Heptapteridae), but the pimelodid Zungaro zungaro (Humboldt) [syn. Paulicea luetkeni (Steindachner)]. Proteocephalus jandia is in fact conspecific with Travassiella avitellina Rego & Pavanelli, 1987, type-species of Travassiella Rego & Pavanelli, 1987. As a result, a new combination, Travassiella jandia (Woodland, 1934), is proposed. Megathylacus jandia Woodland, 1934 is considered conspecific with M. brooksi Rego & Pavanelli, 1985 described from the congeneric host [Zungaro jahu (Ihering)] from the Paraná River in Brazil; the latter species becomes its new junior synonym. The validity of M. travassosi Pavanelli & Rego, 1992, a parasite of Pseudoplatystoma corruscans (Spix & Agassiz) in the Paraná River basin in Brazil, is confirmed by a study of its type- and voucher specimens. The present account provides strong arguments to always study museum specimens in taxonomic studies; it also represents an evidence of the importance of depositing types and vouchers in internationally recognised collections. Based on the new information provided in this study, the generic diagnoses of Brayela and Megathylacus Woodland, 1934 are amended.
Starting Page	1
Ending Page	19
Page Count	19
File Format	PDF
ISSN	01655752
Journal	Systematic Parasitology
Volume Number	87
Issue Number	1
e-ISSN	15735192
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-01-07
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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