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Nathan K. Lujan
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Journal Articles

A New Species of Chaetostoma (Siluriformes: Loricariidae) Expands the Distribution of Rubbernose Plecos Eastward into the Lower Amazon Basin of Brazil

Vanessa Meza-Vargas, Bárbara B. Calegari, Nathan K. Lujan, Gustavo A. Ballen, Osvaldo T. Oyakawa ...
Journal: Ichthyology & Herpetology
Ichthyology & Herpetology (2022) 110 (2): 364–377.
https://doi.org/10.1643/i2021068
Published: 29 June 2022
View article titled, A New Species of Chaetostoma (Siluriformes: Loricariidae) Expands the Distribution of Rubbernose Plecos Eastward into the Lower Amazon Basin of Brazil
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Journal Articles

A New Species of Armored Catfish (Loricariidae: Hypoptopomatinae) Syntopic and Superficially Similar to Parotocinclus collinsae , from the Potaro River Basin, Guyana

Pablo Lehmann A., Nathan K. Lujan, Roberto E. Reis
Journal: Ichthyology & Herpetology
Ichthyology & Herpetology (2022) 110 (1): 69–76.
https://doi.org/10.1643/i2021065
Published: 09 February 2022
View article titled, A New Species of Armored Catfish (Loricariidae: Hypoptopomatinae) Syntopic and Superficially Similar to Parotocinclus collinsae , from the Potaro River Basin, Guyana
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Journal Articles

Redescription of the Guiana Shield Darter Species Characidium crandellii and C. declivirostre (Crenuchidae) with Descriptions of Two New Species

Jonathan W. Armbruster, Nathan K. Lujan, Devin D. Bloom
Journal: Ichthyology & Herpetology
Ichthyology & Herpetology (2021) 109 (1): 102–122.
https://doi.org/10.1643/i2019299
Published: 29 March 2021
View article titled, Redescription of the Guiana Shield Darter Species Characidium crandellii and C. declivirostre (Crenuchidae) with Descriptions of Two New Species
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Journal Articles

Using Morphology to Test DNA-Based Phylogenetic Relationships within the Guiana Shield Catfish Tribe Lithoxini (Siluriformes: Loricariidae)

Jonathan W. Armbruster, Lauren Greene, Nathan K. Lujan
Journal: Ichthyology & Herpetology
Ichthyology & Herpetology (2018) 106 (4): 671–680.
https://doi.org/10.1643/CI-18-121
Published: 12 December 2018
View article titled, Using Morphology to Test DNA-Based Phylogenetic Relationships within the Guiana Shield Catfish Tribe Lithoxini (Siluriformes: Loricariidae)
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Journal Articles

A Multilocus Molecular Phylogeny for Chaetostoma Clade Genera and Species with a Review of Chaetostoma (Siluriformes: Loricariidae) from the Central Andes

Nathan K. Lujan, Vanessa Meza-Vargas, Viviana Astudillo-Clavijo, Ramiro Barriga-Salazar, Hernán López-Fernández
Journal: Ichthyology & Herpetology
Ichthyology & Herpetology (2015) 103 (3): 664–701.
https://doi.org/10.1643/CI-14-194
Published: 25 September 2015
View article titled, A Multilocus Molecular Phylogeny for Chaetostoma Clade Genera and Species with a Review of Chaetostoma (Siluriformes: Loricariidae) from the Central Andes
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Journal Articles

Two New Chaetostoma Group (Loricariidae: Hypostominae) Sister Genera from Opposite Sides of the Andes Mountains in Ecuador, with the Description of One New Species

Nathan K. Lujan, Vanessa Meza-Vargas, Ramiro Barriga-Salazar
Journal: Ichthyology & Herpetology
Ichthyology & Herpetology (2015) 103 (3): 651–663.
https://doi.org/10.1643/CI-15-246
Published: 18 September 2015
View article titled, Two New Chaetostoma Group (Loricariidae: Hypostominae) Sister Genera from Opposite Sides of the Andes Mountains in Ecuador, with the Description of One New Species
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Journal Articles

Description of a New, Narrowly Endemic South American Darter (Characiformes: Crenuchidae) from the Central Guiana Shield Highlands of Guyana

Nathan K. Lujan, Henry Agudelo-Zamora, Donald C. Taphorn, Pieter N. Booth, Hernán López-Fernández
Journal: Ichthyology & Herpetology
Ichthyology & Herpetology (2013) 2013 (3): 454–463.
https://doi.org/10.1643/CI-12-079
Published: 27 September 2013
View article titled, Description of a New, Narrowly Endemic South American Darter (Characiformes: Crenuchidae) from the Central Guiana Shield Highlands of Guyana
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Journal Articles

A New Basal Ancistrini Genus and Species from the Andes of Northern Peru (Siluriformes: Loricariidae)

Nathan K Lujan, Jonathan W Armbruster, Blanca Rengifo
Journal: Ichthyology & Herpetology
Ichthyology & Herpetology (2011) 2011 (4): 497–502.
https://doi.org/10.1643/CI-10-201
Published: 27 December 2011
View article titled, A New Basal Ancistrini Genus and Species from the Andes of Northern Peru (Siluriformes: Loricariidae)
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Journal Articles

Two New Genera and Species of Ancistrini (Siluriformes: Loricariidae) from the Western Guiana Shield

Nathan K. Lujan, Jonathan W. Armbruster
Journal: Ichthyology & Herpetology
Ichthyology & Herpetology (2011) 2011 (2): 216–225.
https://doi.org/10.1643/CI-10-008
Published: 28 June 2011
View article titled, Two New Genera and Species of Ancistrini (Siluriformes: Loricariidae) from the Western Guiana Shield
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Journal Articles

Revision of Panaque ( Panaque ), with Descriptions of Three New Species from the Amazon Basin (Siluriformes, Loricariidae)

Nathan K. Lujan, Max Hidalgo, Donald J. Stewart
Journal: Ichthyology & Herpetology
Ichthyology & Herpetology (2010) 2010 (4): 676–704.
https://doi.org/10.1643/CI-09-185
Published: 17 December 2010
View article titled, Revision of Panaque ( Panaque ), with Descriptions of Three New Species from the Amazon Basin (Siluriformes, Loricariidae)
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Journal Articles

A New Black Baryancistrus with Blue Sheen from the Upper Orinoco (Siluriformes: Loricariidae)

Nathan K. Lujan, Mariangeles Arce, Jonathan W. Armbruster
Journal: Ichthyology & Herpetology
Ichthyology & Herpetology (2009) 2009 (1): 50–56.
https://doi.org/10.1643/CI-07-187
Published: 23 February 2009
View article titled, A New Black Baryancistrus with Blue Sheen from the Upper Orinoco (Siluriformes: Loricariidae)
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Journal Articles

Four New Hypancistrus (Siluriformes: Loricariidae) from Amazonas, Venezuela

Jonathan W. Armbruster, Nathan K. Lujan, D. C. Taphorn, S. A. Schaefer
Journal: Ichthyology & Herpetology
Ichthyology & Herpetology (2007) 2007 (1): 62–79.
https://doi.org/10.1643/0045-8511(2007)7[62:FNHSLF]2.0.CO;2
Published: 28 February 2007
View article titled, Four New Hypancistrus (Siluriformes: Loricariidae) from Amazonas, Venezuela
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