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Vanamea GEN. NOV. FOR Livoneca symmetricaVAN NAME,1925, (CRUSTACEA, ISOPODA, CYMOTHOIDAE) AND A REDESCRIPTION OF THE SPECIES BASED ON SPECIMENS FROM BRAZILIAN PIRANHAS

Vernon E. THATCHER · Instituto Nacional de Pesquisas da Amazônia · 1993

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Author / responsible party
Vernon E. THATCHER
Publisher
Instituto Nacional de Pesquisas da Amazônia
Year
1993
ISSN
0044-5967
ISSN
0044-5967
Language
English
Serial publication

"Pinta" em população nativa do Estado do Amazonas

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Studies of the cymothoid isopod Livoneca symmetricaVan Name, 1925, showed that this species has characters that preclude its inclusion in LivonecaLeach, 1818, or in any other known genus. The species is redescribed on the basis of male and female specimens from the mouth cavities of Amazonian piranhas (Serrasalmus spilopleura(Kner) and S. elongatusKner) and Vanameagen. nov. is proposed for it. The new genus is defined as having: a cephalon that is not immersed in pereonite 1; mandibles that are "foot-shaped" and without incisors, pereopods that are long and unequal in size and shape; a pleon that is not immersed in the pereon; and a pleotelson that is inflated anteriorly and medially.

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APA 7

THATCHER, V. E. (1993). Vanamea GEN. NOV. FOR Livoneca symmetricaVAN NAME,1925, (CRUSTACEA, ISOPODA, CYMOTHOIDAE) AND A REDESCRIPTION OF THE SPECIES BASED ON SPECIMENS FROM BRAZILIAN PIRANHAS. https://doi.org/10.1590/1809-43921993233296

MLA

THATCHER, Vernon E. "Vanamea GEN. NOV. FOR Livoneca symmetricaVAN NAME,1925, (CRUSTACEA, ISOPODA, CYMOTHOIDAE) AND A REDESCRIPTION OF THE SPECIES BASED ON SPECIMENS FROM BRAZILIAN PIRANHAS." 1993. https://doi.org/10.1590/1809-43921993233296.

Chicago

THATCHER, Vernon E. 1993. "Vanamea GEN. NOV. FOR Livoneca symmetricaVAN NAME,1925, (CRUSTACEA, ISOPODA, CYMOTHOIDAE) AND A REDESCRIPTION OF THE SPECIES BASED ON SPECIMENS FROM BRAZILIAN PIRANHAS.". https://doi.org/10.1590/1809-43921993233296.

Harvard

THATCHER, V. E. 1993, Vanamea GEN. NOV. FOR Livoneca symmetricaVAN NAME,1925, (CRUSTACEA, ISOPODA, CYMOTHOIDAE) AND A REDESCRIPTION OF THE SPECIES BASED ON SPECIMENS FROM BRAZILIAN PIRANHAS, Instituto Nacional de Pesquisas da Amazônia, available at: https://doi.org/10.1590/1809-43921993233296 [Accessed 10 Aug. 2026].

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Title
Vanamea GEN. NOV. FOR Livoneca symmetricaVAN NAME,1925, (CRUSTACEA, ISOPODA, CYMOTHOIDAE) AND A REDESCRIPTION OF THE SPECIES BASED ON SPECIMENS FROM BRAZILIAN PIRANHAS
Author / contributors
Vernon E. THATCHER
Publisher
Instituto Nacional de Pesquisas da Amazônia
Publication year
1993
ISSN
0044-5967
ISSN
0044-5967
Language
English

Subjects

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Isopod; Cymothoid; Parasite; Piranha; Amazon
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