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AuthorM.S. Hoogmoed
TitleNew Osornophryne (Amphibia: Anura: Bufonidae) from the Atlantic Versant of the Andes in Ecuador
JournalZoologische Mededelingen
Volume61
Year1987
Issue16
Pages209-242
ISSN0024-0672
KeywordsAnura; Bufonidae; Osornophryne; new species; breeding habits; internal fertilization; Neotropics; Andes; Ecuador
AbstractTwo species of the little known genus Osornophryne are described from the Atlantic (Amazonian) versant of the Andes in Ecuador. O. guacamayo spec. nov. occurs at 2100 m, has well developed cranial ridges, rather peculiar feet with toes IV and V of about equal length and much longer than the others. It is rather gaudily patterned with black and yellow. O. antisana spec. nov. occurs at 3600 m and has a pointed snout, indistinct cranial ridges and is rather drably coloured.
The single available adult male has a cloacal tube that runs down the back of the thighs and opens ventrally. It is speculated that this peculiar structure is indicative of internal fertilization. It is concluded that inguinal amplexus in this genus is not a primitive, but an advanced character. A key to the known species is presented.
Classification42.82
Document typearticle
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