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Helminth species of Brazilian marsupials: a comprehensive checklist with updated taxonomy

Published online by Cambridge University Press:  26 January 2026

S.F. Costa-Neto
Affiliation:
Fiocruz Mata Atlântica , Av. Sampaio Corrêa s/n, Rio de Janeiro, RJ, 22713-570, Brazil
B.S. Cirino*
Affiliation:
Programa de Pós-graduação em Biodiversidade e Saúde, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Av. Brazil 4365, Rio de Janeiro, RJ, 21040-360, Brazil Laboratório de Biologia e Parasitologia de Mamíferos Silvestres Reservatórios, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz , Av. Brazil 4365, Rio de Janeiro, RJ, 21040-360, Brazil
A. Maldonado-Júnior
Affiliation:
Laboratório de Biologia e Parasitologia de Mamíferos Silvestres Reservatórios, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz , Av. Brazil 4365, Rio de Janeiro, RJ, 21040-360, Brazil
R. Gentile
Affiliation:
Laboratório de Biologia e Parasitologia de Mamíferos Silvestres Reservatórios, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz , Av. Brazil 4365, Rio de Janeiro, RJ, 21040-360, Brazil
*
Corresponding author: B. S. Cirino; Email: brunascirino@gmail.com
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Abstract

Marsupials have been the subject of experimental and natural parasitological studies on helminths in the Americas. Brazil has a significant proportion of the American marsupial fauna, with approximately 15 genera and 69 species out of 95 extant. Helminths have been reported for approximately one-third of the Brazilian marsupial species. Consequently, an update of this information is necessary to ensure the correct identification of the species. This work represents the first comprehensive review of the helminths of the Brazilian marsupials, including taxonomic information on both parasites and hosts. The data were extracted and compiled from references published from 1819 to 2023 and organised according to the classification of the helminths by the host name of the original description, followed by the updated host species nomenclature, geographical distribution, site of infection, and references. In total, 1,047 records of helminths parasitising 22 marsupial species in Brazil were compiled. The list included 93 identified species, including five of the phylum Acanthocephala, 58 of the phylum Nematoda, and 30 of the phylum Platyhelminthes. In addition, 51 other morphospecies were reported. This work may serve as a reference for future studies.

Information

Type
Review Article
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.
Copyright
© The Author(s), 2026. Published by Cambridge University Press
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