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- W3090759966 abstract "ABSTRACT The genus Corythomantis currently comprises a single species, Corythomantis greeningi , a hylid widely distributed in xerophilic and subhumid morphoclimatic regions of Brazil, mainly in the Northeast region. Recently the external morphology, internal oral anatomy, and chondrocranium of C. greeningi tadpoles were described from specimens collected in the state of Bahia, however, we observed some differences in morphology of individuals from the state of Piauí, northeastern Brazil. The tadpoles were collected during the 2019 rainy season and 14 individuals were used to describe and compare the larval characters. We observed differences in external, internal oral and chondrocranial morphology in relation to specimens previously described, especially in oral disc, number and shape of oral cavity papillae, and some chondrocranium structures, as: cartilago suprarostralis , cornua trabeculae , fontanella frontoparietalis , cartilago orbitalis e planum hypobranchiale . Our results point to the occurrence of heterochrony in C. greeningi , but we do not rule out the possibility that tadpoles belong to different species. Further studies involving a greater number of tadpoles at different stages, combined with genetic, acoustic, and morphological factors of adult specimens may establish the variation degree of C. greeningi in different regions of northeastern Brazil. RESUMO O gênero Corythomantis compreende atualmente uma única espécie, Corythomantis greeningi , um hilídeo amplamente distribuído nas regiões morfoclimáticas xerofílicas e subúmidas do Brasil, principalmente na região Nordeste. Recentimente foram descritas a morfologia externa, anatomia oral interna e condrocrânio do girino de C. greeningi a partir de espécimes coletados no estado da Bahia, no entanto, observamos algumas diferenças na morfologia dos indivíduos coletados na região norte do estado do Piauí, Nordeste do Brasil. Os girinos foram coletados durante o período chuvoso de 2019 e 14 indivíduos foram utilizados para descrição e comparação dos caracteres larvais. Observamos diferenças na morfologia externa, oral interna e no condrocranio do girino em relação ao descrito anteriormente, sobretudo no disco oral, no número e formato de papilas cavidade oral e algumas estruturas do condrocrânio, como: cartilago suprarostralis , cornua trabeculae , fontanella frontoparietalis , cartilago orbitalis e planum hypobranchiale . Nossos resultados apontam a ocorrência de heterocronia em C. greeningi , porém não descartamos a possibilidade dos girinos pertencerem a espécies diferentes. Estudos futuros envolvendo uma maior área de distribuição e maior número de indivíduos em estágios diferentes, aliados a fatores genéticos, acústico e morfológicos dos espécimes adultos poderão estabelecer o grau de variação de C. greeningi em diferentes regiões do Nordeste brasileiro." @default.
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- W3090759966 date "2020-10-04" @default.
- W3090759966 modified "2023-09-27" @default.
- W3090759966 title "Differences in external, internal oral and chondrocranial morphology of the tadpole of Corythomantis greeningi Boulenger, 1896 (Anura: Hylidae)" @default.
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- W3090759966 doi "https://doi.org/10.1101/2020.10.02.324459" @default.
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