Taxonomic Studies of the Genus Phymaturus (Iguania: Liolaemidae): Redescription of Phymaturus patagonicus Koslowsky 1898, and Revalidation and Redescription of Phymaturus spurcus Barbour 1921

Phymaturus spurcus was described by Barbour in 1921. In 1931, Burt and Burt placed this species in the synonymy of Phymaturus patagonicus based on their comparison of one paratype of P. spurcus with one specimen of P. patagonicus. Additionally, Burt and Burt considered P. patagonicus a subspecies of...

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Veröffentlicht in:Journal of Herpetology. - Society for the Study of Amphibians and Reptiles, 1968. - 39(2005), 4, Seite 533-540
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Journal of Herpetology
Schlagworte:Biological sciences Information science Physical sciences Business
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Zusammenfassung:Phymaturus spurcus was described by Barbour in 1921. In 1931, Burt and Burt placed this species in the synonymy of Phymaturus patagonicus based on their comparison of one paratype of P. spurcus with one specimen of P. patagonicus. Additionally, Burt and Burt considered P. patagonicus a subspecies of Phymaturus palluma. Although some subsequent authors accepted the synonymy of P. patagonicus with P. palluma, the synonymy of P. spurcus with P. patagonicus has gone unquestioned. We examined the type series of P. patagonicus and P. spurcus, as well as new material collected from the type localities of both species. Based on 47 morphological characters of squamation, gular and nuchal folds, precloacal pores, and morphometric data, we conclude that P. spurcus is a valid species, distinct from P. patagonicus and all other Phymaturus. We agree with Cei and Castro's study in 1973 that the population located west of Dolavon, Chubut Province, Argentina, is P. patagonicus of Koslowsky' study in 1898 Because in the original description Koslowsky failed to designate an holotype, we designate Museo La Plata S-778 as the lectotype of P. patagonicus and restrict its type locality to 40 km west of Dolavon, Chubut Province, Argentina. We provide a redescription of P. patagonicus Koslowsky and a redescription of P. spurcus based on the type series of Barbour's study in 1921, with additional data on intraspecific variation in both species. /// -Phymaturus spurcus fué descripto por Barbour en 1921. Burt and Burt (1931) ubicaron esta especie en la sinonimia de Phymaturus patagonicus basados en su comparación de un paratipo de P. spurcus con un especimen de P. patagonicus. Adicionalmente, Burt and Burt (1931) consideraron a P. patagonicus como subespecie de P. palluma. Aunque algunos autores aceptaron la sinonimia de P. patagonicus con Phymaturus palluma, la sinonimia de P. spurcus con P. patagonicus no ha sido cuestionada hasta el presente. En este trabajo examinamos las series tipo de P. patagonicus y P. spurcus, así como nuevo material colectado en las localidades tipo de ambas especies. Basados en nuestras observaciones de 47 caracteres morfológicos de lepidosis, pliegues gulares y nucales, poros precloacales, y datos morfométricos, concluimos que P. spurcus es una especie válida distinta de P. patagonicus y de todas las otras especies de Phymaturus. Coincidimos con Cei and Castro (1973) en que la población localizada al oeste de Dolavon, provincia de Chubut, Argentina, es P. patagonicus de Koslowsky (1898). Debido a que Koslowsky (1898) no designó un holotipo, designamos a Museo La Plata S-778 como el lectotipo de P. patagonicus y restringimos la localidad tipo a 40 km al oeste de Dolavon, provincia de Chubut, Argentina. Aportamos la re-descripción de P. Patagonicus Koslowsky, y también la re-descripción de P. spurcus basados en la serie tipo de Barbour (1921) además de datos adicionales sobre la variación intraespecí fica en ambas especies.
ISSN:19372418