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Abstract:

Acutihumerus patagoniensis (Sieg, 1986) was originally described based on a single specimen from Golfo Nuevo, northern Patagonia, Argentina. Over 3000 specimens referable to this species from just a few miles of its type locality are now available. Based on these specimens, the description of A. patagoniensis is completed and the ontogenetic changes of the male cheliped are described and illustrated. Acutihumerus patagoniensis has recently been considered a junior synonym of A. cavooreni (Bəcescu & Absalao, 1985) from southern Brazil. However, these species can be distinguished mainly by the male chela: A. patagoniensis has a much wider notch palm than A. cavooreni . Furthermore, most of the males herein reported from off the Río de la Plata have a chela with a narrow notch, a fact that suggests that this area might be a zone of hybridization or contact between A. patagoniensis and A. cavooreni. Hence, we claim that the recently proposed synonymy has not been proven, and the resolution of this taxonomic problem must await additional specimens of A. cavooreni from its type locality (Rio Grande do Sul, Brazil). Copyright © 2014 Magnolia Press.

Registro:

Documento: Artículo
Título:Acutihumerus patagoniensis (Sieg, 1986) (Tanaidacea: Kalliapseudidae): Supplementary description and remarks on its taxonomic status
Autor:Giachetti, C.B.; Roccatagliata, D.
Filiación:Departamento de Biodiversidad Y Biología Experimental (DBBE), Facultad de Ciencias Exactas Y Naturales, Universidad de Buenos Aires, Buenos Aires, C1428EGA, Argentina
Instituto de Biodiversidad Y Biología Experimental Y Aplicada (IBBEA, CONICET-UBA), Argentina
Palabras clave:Acutihumerus cavooreni; Acutihumerus patagoniensis; Kalliapseudidae; Male cheliped; New records; Kalliapseudidae; Tanaidacea; anatomy and histology; animal; animal dispersal; animal structures; Argentina; body size; Brazil; classification; Crustacea; female; growth, development and aging; male; organ size; Animal Distribution; Animal Structures; Animals; Argentina; Body Size; Brazil; Crustacea; Female; Male; Organ Size
Año:2014
Volumen:3861
Número:4
Página de inicio:345
Página de fin:354
DOI: http://dx.doi.org/10.11646/zootaxa.3861.4.4
Título revista:Zootaxa
Título revista abreviado:Zootaxa
ISSN:11755326
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_11755326_v3861_n4_p345_Giachetti

Referencias:

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  • Bəcescu, M., Absalao, R.S., Hemikalliapseudes cavooreni n. sp. and a few remarks on the Brazilian Apseudoidea (1985) Travaux du Muséum d'Histoire Naturelle "Grigore Antipa", 27, pp. 49-54
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Citas:

---------- APA ----------
Giachetti, C.B. & Roccatagliata, D. (2014) . Acutihumerus patagoniensis (Sieg, 1986) (Tanaidacea: Kalliapseudidae): Supplementary description and remarks on its taxonomic status. Zootaxa, 3861(4), 345-354.
http://dx.doi.org/10.11646/zootaxa.3861.4.4
---------- CHICAGO ----------
Giachetti, C.B., Roccatagliata, D. "Acutihumerus patagoniensis (Sieg, 1986) (Tanaidacea: Kalliapseudidae): Supplementary description and remarks on its taxonomic status" . Zootaxa 3861, no. 4 (2014) : 345-354.
http://dx.doi.org/10.11646/zootaxa.3861.4.4
---------- MLA ----------
Giachetti, C.B., Roccatagliata, D. "Acutihumerus patagoniensis (Sieg, 1986) (Tanaidacea: Kalliapseudidae): Supplementary description and remarks on its taxonomic status" . Zootaxa, vol. 3861, no. 4, 2014, pp. 345-354.
http://dx.doi.org/10.11646/zootaxa.3861.4.4
---------- VANCOUVER ----------
Giachetti, C.B., Roccatagliata, D. Acutihumerus patagoniensis (Sieg, 1986) (Tanaidacea: Kalliapseudidae): Supplementary description and remarks on its taxonomic status. Zootaxa. 2014;3861(4):345-354.
http://dx.doi.org/10.11646/zootaxa.3861.4.4