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A New Species of Riama from Ecuador Previously Referred to as Riama hyposticta (Boulenger, 1902) (Squamata: Gymnophthalmidae)

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Autor(es):
Sanchez-Pacheco, Santiago J. ; Kizirian, David A. ; Sales Nunes, Pedro M.
Número total de Autores: 3
Tipo de documento: Artigo Científico
Fonte: American Museum Novitates; v. N/A, n. 3719, p. 16-pg., 2011-06-03.
Resumo

We describe Riama crypta, new species, from the western slopes of the Cordillera Occidental, Ecuador. This taxon was formerly referred to as Riama hyposticta, a rare species described on the basis of an adult male from northern Ecuador and here recorded from southwestern Colombia. The new species differs principally from Riama hyposticta by an incomplete superciliary series, formed just by the anteriormost superciliary scale (superciliary series complete in R. hyposticta, formed by five or six scales), no nasoloreal suture [= loreal absent] (complete (= loreal present] in R. hyposticta), distinct dorsolateral stripes at least anteriorly (scattered brown spots dorsally without dorsolateral stripes in R. hyposticta), and ventral coloration composed of small cream or brown spots or longitudinal stripes (dark brown with conspicuous transverse white bars and spots). Additionally, we document the presence of distal filiform appendages on the hemipenial lobes of both species. (AU)

Processo FAPESP: 07/00811-8 - Morfologia hemipeniana dos lagartos microteídeos e suas implicações nas relações filogenéticas da família Gymnophthalmidae
Beneficiário:Pedro Murilo Sales Nunes
Modalidade de apoio: Bolsas no Brasil - Doutorado