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Data · collection · 1997

Revision of the neotropical catfish genus Hoplosternum (Ostariophysi: Siluriformes: Callichthyidae), with the description of two new genera and three new species

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This dataset contains the digitized treatments in Plazi based on the original journal article Roberto E. Reis (1997): Revision of the neotropical catfish genus Hoplosternum (Ostariophysi: Siluriformes: Callichthyidae), with the description of two new genera and three new species.

Description

Ichthyological Exploration Freshwaters 7 (4): 299-326, DOI: 10.5281/zenodo.19854425 Species of Hoplosternum sensu lato are taxonomically revised.

The species of the former H. littorale group constitute the genus Hoplosternum sensu stricto. The species of the former H. thoracatum group are placed in Megalechis, new genus, and the species of the former H. pectorale group in Lepthoplosternum, new genus. Three new species of Lepthoplosternum are described: L. altamazonicus from the upper reaches of the Rio Amazonas in Peru, L. beni from the Rio Madeira system in Bolivia, and L. tordilho from the laguna dos Patos system in southern Brazil.

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Lectotypes are designated for Callichthys melampterus and C. sulcatus. Callichthys melampterus, Cascadura maculocephala, H. littorale daillyi and H. thoracatum cayennae are junior synonyms of H. littorale. Hoplosternum thoracatum surinamensis and C. exaratus are junior synonyms of M. personata.

Callichthys pictus, C. sulcatus and H. orinocoi are junior synonyms of M. thoracata. A key to genera of subfamily Callichthyinae as well keys to species of Hoplosternum, Megalechis and Lepthoplosternum are provided. As espécies de Hoplosternum sensu lato são revisadas taxonomicamente.

As espécies de Hoplosternum grupo littorale permanecem no gênero Hoplosternum sensu strito. As espécies de Hoplosternum grupo thoracatum são transferidas para Megalechis gênero novo e as espécies de Hoplosternum grupo pectorale para Lepthoplosternum gênero novo. Três novas espécies de Lepthoplosternum são descritas: L. altamazonicus do alto rio Amazonas, no Peru; L. beni do sistema do rio Madeira, na Bolivia; e L. tordilho do sistema da laguna dos Patos no sul do Brazil.

Lectótipos são designados para Callichthys melampterus e C. sulcatus. Callichthys melampterus, Cascadura maculocephala, H. littorale daillyi e H. thoracatum cayennae são sinônimos juniores de H. littorale. Hoplosternum thoracatum surinamensis e C. exaratus são sinônimos juniores de M. personata.

Callichthys pictus, C. sulcatus e H. orinocoi são sinônimos juniores de M. thoracata. Chaves para os gêneros da subfamília Callichthyinae bem como para as espécies de Hoplosternum, Megalechis e Lepthoplosternum são fornecidas.

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Life Sciences
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Animal systematics and taxonomy 76%
Provenance · 1 source records, 9 field assertions
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