Comments on the Genus Apareiodon Eigenmann (Characiformes: Parodontidae) with the Description of a New Species from the Gran Sabana Region of Eastern Venezuela

Starnes, Wayne C.; Schindler, Ingo

doi:10.2307/1447238

Cited by 7 publications

(7 citation statements)

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“…We observed that there is a white spot on upper part of the opercle, that even though it was observed in the majority of specimens here examined, is not so evident as might be indicated by Fowler's illustration, but could be effect of fixation. We maintain the synonymy of A. caquetae with P. pongoensis, in agreement with Pavanelli (2003), Böhlke (1958) and Starnes & Schindler (1993), on the basis of color pattern and meristics. Starnes & Schindler (1993) illustrated the jaw bones and part of the suspensorium of a specimen identified as "A. pongoense" (USNM 216400), but did not show teeth present on the lower jaw.…”

Section: Description Morphometric and Meristic Data Given Insupporting

confidence: 87%

“…We maintain the synonymy of A. caquetae with P. pongoensis, in agreement with Pavanelli (2003), Böhlke (1958) and Starnes & Schindler (1993), on the basis of color pattern and meristics. Starnes & Schindler (1993) illustrated the jaw bones and part of the suspensorium of a specimen identified as "A. pongoense" (USNM 216400), but did not show teeth present on the lower jaw. In any case, according to our findings, in specimens smaller than 50 mm SL the dentary teeth are often covered by soft tissue or reduced and not easily visible.…”

Section: Description Morphometric and Meristic Data Given Insupporting

confidence: 87%

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Taxonomic review of Colombian Parodon (Characiformes: Parodontidae), with descriptions of three new species

Londoño-Burbano

Román–Valencia

Taphorn³

2011

Neotrop. ichthyol.

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We review species of Parodon Valenciennes, 1850 from the Magdalena, Cauca, Orinoco, Amazonas, Atrato and CaribbeanGuajira River basins of Colombia using meristic and morphological characters. We recognize eight valid species, five previously described: P. apolinari Myers, from the Orinoco River basin; P. buckleyi Boulenger and P. pongoensis (Allen) from the upper Amazon; P. caliensis Boulenger, from the upper Cauca River drainage; and P. suborbitalis Valenciennes, from Lake Maracaibo basin. Three new species are described: P. alfonsoi, from the lower Magdalena River drainage; P. magdalenensis, from the middle Magdalena and upper Cauca River drainages; and P. atratoensis, from the Atrato River basin. We redescribe Parodon suborbitalis using type specimens and topotypes, and designate lectotypes. A taxonomic key is included for identification of the species, as well as geographic distribution maps.Espécies de Parodon Valenciennes, 1850 provenientes das bacias dos rios Magdalena, Cauca, Orinoco, Amazonas, Atrato e Caribe-Guajira da Colômbia são revisadas com base em caracteres merísticos e morfológicos. Oito espécies são consideradas válidas, sendo cinco previamente descritas: P. apolinari Myers, da bacia do rio Orinoco, P. buckleyi Boulenger e P. pongoensis (Allen) do alto rio Amazonas, P. caliensis Boulenger do alto rio Cauca e P. suborbitalis Valenciennes da bacia do lago Maracaibo. Três novas espécies são descritas: P. alfonsoi, do baixo rio Magdalena; P. magdalenensis, do médio rio Magdalena e da bacia superior do rio Cauca e P. atratoensis, da bacia do rio Atrato. Parodon suborbitalis é redescrita a partir de espécimes-tipo e topótipos. Designam-se lectótipos de P. suborbitalis. Uma chave para identificação das espécies é incluída, bem como mapas de distribuição geográfica.

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Section: Description Morphometric and Meristic Data Given Insupporting

confidence: 87%

Section: Description Morphometric and Meristic Data Given Insupporting

confidence: 87%

Taxonomic review of Colombian Parodon (Characiformes: Parodontidae), with descriptions of three new species

Londoño-Burbano

Román–Valencia

Taphorn³

2011

Neotrop. ichthyol.

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“…Apareiodon agmatos is similar to A. gransabana in color pattern, and shares with it and P. guyanensis a higher number (five vs. four) of teeth than other members of the genus in the premaxillary. Apareiodon agmatos and A. gransabana may also share an absence of thickening of the anterior pleural ribs noted by Starnes & Schindler (1993) for A. gransabana. Although a reduction in this sexually dimorphic character has been noted in a several other species, A. gransabana may present an extreme reduction.…”

Section: Discussionmentioning

confidence: 82%

“…Based on the absence of dentary teeth and the presence of a single unbranched pectoral-fin ray we have assigned the new species to Apareiodon. However, it is possible that A. agmatos along with A. gransabana Starnes & Schindler 1993 and possibly Parodon guyanensis Géry 1959 constitute a clade diagnosable from Apareiodon. Apareiodon agmatos is similar to A. gransabana in color pattern, and shares with it and P. guyanensis a higher number (five vs. four) of teeth than other members of the genus in the premaxillary.…”

Section: Discussionmentioning

confidence: 99%

“…Apareiodon agmatos also shares with A. gransabana and Parodon guyanensis a higher number (5 versus 4) of teeth than other members of the genus in the premaxillary. Apareiodon agmatos and A. gransabana may also share an absence of thickening of the anterior pleural ribs noted by Starnes & Schindler (1993) for A. gransabana. While beyond the scope of this work, these features may prove sufficient to diagnose this group of species from the genus Apareiodon as currently recognized.…”

mentioning

confidence: 82%

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Apareiodon agmatos, a new species from the upper Mazaruni river, Guyana (Teleostei: Characiformes: Parodontidae)

Taphorn

López‐Fernández

Bernard

2008

Zootaxa

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Apareiodon agmatos, new species, is described from the upper Mazaruni River and its tributaries, Essequibo Basin, in western Guyana. The new species is distinguishable from all other species of Parodontidae by having an incomplete lateral line. The scales of A. agmatos are more numerous than in any previously described parodontid. It has five incisorlike pedunculate teeth on the premaxilla aligned in a straight row, each with a large central spatulate cusp bordered on each side by a minute lateral cusp. The maxilla has two or infrequently three incisors. It shares an unusual pigmentation pattern of one dorsomedial and four lateral black stripes with A. gransabana, which was described from the neighboring upper Río Caroní drainage, Orinoco Basin. Apareiodon agmatos also shares with A. gransabana and Parodon guyanensis a higher number (5 versus 4) of teeth than other members of the genus in the premaxillary. Apareiodon agmatos and A. gransabana may also share an absence of thickening of the anterior pleural ribs noted by Starnes & Schindler (1993) for A. gransabana. While beyond the scope of this work, these features may prove sufficient to diagnose this group of species from the genus Apareiodon as currently recognized.

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Freshwater Fish Distribution

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Comments on the Genus Apareiodon Eigenmann (Characiformes: Parodontidae) with the Description of a New Species from the Gran Sabana Region of Eastern Venezuela

Cited by 7 publications

References 0 publications

Taxonomic review of Colombian Parodon (Characiformes: Parodontidae), with descriptions of three new species

Taxonomic review of Colombian Parodon (Characiformes: Parodontidae), with descriptions of three new species

Apareiodon agmatos, a new species from the upper Mazaruni river, Guyana (Teleostei: Characiformes: Parodontidae)

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