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A new genus of Oniscidea from South America and a phylogenetic analysis of related genera (Crustacea: Isopoda: Philosciidae) Naturalis
Leistikow, Andreas.
In a collection of terrestrial isopods from Venezuela, a distinct species was identified which does not fit any of the known genera. Therefore, a new taxon Metaprosekia gen.n. is instituted to accomodate the new species. An analysis of its morphological characters revealed a close relationship to the genus Prosekia Vandel, 1968 and allied genera. The phylogeny of this group is discussed and one of its poorly known representatives, Xiphoniscus mirabilis Vandel, 1968 is redescribed on the basis of the type material.
Tipo: Article / Letter to the editor Palavras-chave: Oniscidea; Philosciidae; South America; Phylogeny; Phylogenetic sytematics.
Ano: 2000 URL: http://www.repository.naturalis.nl/record/534411
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Philosciids with pleopodal lungs from Brazil, with description of a new species (Crustacea, Isopoda) Naturalis
Araujo, Paula Beatriz; Leistikow, Andreas.
Several species of “philosciid” Oniscidea are known from Brazil, most of them were found in the southern and eastern parts of this country. The genera Atlantoscia Ferrara & Taiti, 1981, Benthana Budde-Lund, 1908 and Balloniscus Budde-Lund, 1908, the latter considered to represent a separate family Balloniscidae Vandel, 1963, are considered the only neotropical philosciids bearing respiratory areas on their pleopods. Therefore, representatives of these genera are re-examined to shed new light on the question whether these species can be considered to be a monophylum with the autapomorphy “respiratory areas present”, The phytogeny of the above-mentioned genera is discussed under morphological and biogeographical aspects. Furthermore, a remarkable new...
Tipo: Article / Letter to the editor Palavras-chave: Crustacea; Peracarida; Isopoda; Philosciids; Pleopodal lungs; Biogeography; Brazil.
Ano: 1999 URL: http://www.repository.naturalis.nl/record/534349
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