Oochoristica scelopori (Cestoda: Linstowiidae) in a grassland population of the bunch grass lizard, Sceloporus scalaris (Phrynosomatidae), from Arizona
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New records of helminths of Sceloporus pyrocephalus Cope (Squamata, Phrynosomatidae) from Guerrero and Michoacán, Mexico, with the description of a new species of Thubunaea Seurat, 1914 (Nematoda, Physalopteridae)
A total of 61 specimens of the Red-headed Spiny Lizard Sceloporus pyrocephalus Cope (Phrynosomatidae) collected during the breeding season (June/July 2003, 2004 and 2005) from Western Mexico were examined for helminths. The morphological characterization of the helminths found was made through light microscopy and scanning electron microscopy. Nine taxa of helminths were identified, two cestode...
متن کاملA new species of bunchgrass lizard (Squamata: Phrynosomatidae) from the southern sky islands of the Sierra Madre Occidental, Mexico.
A new species of bunchgrass lizard in the Sceloporus scalaris group is described from the southern portion of the Sierra Madre Occidental in Mexico. The new species, Sceloporus aurantius sp. nov., was previously confused with S. brownorum but differs from this and all but one species within the S. scalaris group by a lack of blue belly patches in males. It shares with S. chaneyi an absence of b...
متن کاملSpecies Limits, Phylogenetic Relationships, and Origins of Viviparity in the Scalaris Complex of the Lizard Genus Sceloporus (Phrynosomatidae: Sauria)
We electrophoretically assayed 32 gene loci in the Sceloporus scalaris complex. We sampled 208 animals from 22 localities representing the following: Sceloporus aeneus (12 localities), S. bicanthalis (five localities), S. chaneyi (one locality), S. goldmani (one locality), and S. scalaris samcolemani (two localities), and we used Sceloporus parvus and S. variabilis as outgroups. Of the 32 gene ...
متن کاملThubunaea ctenosauri sp. n. (Nematoda: Physalopteridae) from the Iguanid Lizard Ctenosaura pectinata and Other Lizard Helminths from Mexico
Thubunaea ctenosauri sp. n. is described from the large intestine of the iguanid lizard Ctenosaura pectinata from Aguamilpa, Mexican State of Nayarit. It is characterized mainly by the position of the vulva, number and distribution of caudal papillae, length of spicules (0.066 mm), and size of eggs (0.054-0.060 X 0.039-0.042 mm). Other recorded species of parasitic nematodes are Skrjabinodon sc...
متن کاملGenetic Differentiation among Mountain Island Populations of the Striped Plateau Lizard, Sceloporus virgatus (Squamata: Phrynosomatidae)
We used DNA sequences from several mitochondrial regions (ND2, ND4, and adjacent tRNAs) to examine genetic structure and divergence among populations of the Striped Plateau Lizard, Sceloporus virgatus. In the northern portion of this species’ range, populations occupy mesic habitats at higher elevations in the mountain ranges of the Madrean Archipelago, and are thus isolated by dry, inhospitabl...
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