Life on the edge: Tadpoles of Cycloramphidae (Amphibia; Anura), anatomy, systematics, functional morphology, and comments on the evolution of semiterrestrial tadpoles

Autor:	Hélio Ricardo Silva, Ana Maria Paulino Telles de Carvalho-e-Silva, Gustavo Colaço, Florencia Vera Candioti, Taran Grant, Ariadne Fares Sabbag, Célio F. B. Haddad, Pedro Henrique dos Santos Dias
Přispěvatelé:	Universidade de São Paulo (USP), Universidade Federal do Paraná (UFPR), San Miguel de Tucumán, Universidade Estadual Paulista (UNESP), Universidade Federal Rural do Rio de Janeiro, Universidade Federal do Estado do Rio de Janeiro
Rok vydání:	2021
Předmět:	Systematics biology Thoropa Zoology buccopharyngeal cavity biology.organism_classification Chondrocranium Cycloramphus chondrocranium Functional morphology MORFOLOGIA ANIMAL larval muscles Genetics Animal Science and Zoology Molecular Biology Ecology Evolution Behavior and Systematics
Zdroj:	Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual) Universidade de São Paulo (USP) instacron:USP Scopus Repositório Institucional da UNESP Universidade Estadual Paulista (UNESP) instacron:UNESP
Popis:	Made available in DSpace on 2022-04-28T19:40:20Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-08-01 Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) The evolutionary success of anurans can be partially explained by the occurrence of free-living larvae. Tadpoles occupy several distict habitats, including the terrestrial environment. Semiterrestriality appears to have evolved seven times in anurans, and tadpoles of distantly related lineages have converged in a set of phenotypic characters, such as a depressed body, ventral mouth, massive, well-keratinized and laterally compressed jaw sheaths, low fins, and well-developed hind limbs. The semiterrestrial tadpoles of the South American family Cycloramphidae remain poorly studied. In this work, we perform a comparative analysis of the external and internal morphology of these larvae, we comment on the systematic and evolutionary implications for the family, and finally, we discuss the convergent evolution of semiterrestrial tadpoles in anurans. We studied the external, buccopharyngeal, and musculoskeletal morphology of semiterrestrial tadpoles of 14 species of Cycloramphidae. These tadpoles are highly modified and present several character-states associated with semiterrestrial life. Most of them are unique and restricted to the family, such as the novel configuration of the muscles subarcualis rectus I, rectus abdominis, and levator arcuum branchialium III. We propose 13 new synapomorphies for Cycloramphidae and one for Thoropa. The presence of similar, homoplastic, character-states in all semiterrestrial tadpoles of unrelated phylogenetic lineages seems to suggest that these character-states are adaptations for semiterrestriality. Departamento de Zoologia Instituto de Biociências Universidade de São Paulo Departamento de Zoologia Universidade Federal do Paraná Unidad Ejecutora Lillo (CONICET – FML) San Miguel de Tucumán Departamento de Biodiversidade and CAUNESP Instituto de Biociências Universidade Estadual Paulista Departamento de Biologia Animal Universidade Federal Rural do Rio de Janeiro Departamento de Zoologia Laboratório de Biossistemática de Anfíbios Universidade Federal do Estado do Rio de Janeiro Departamento de Biodiversidade and CAUNESP Instituto de Biociências Universidade Estadual Paulista FAPESP: 2012/10000-5 FAPESP: 2013/20420-4 FAPESP: 2013/50741-7 FAPESP: 2015/11239-0 FAPESP: 2018/15425-0 CNPq: 306623/2018-8 CNPq: 306823/2017-9 CNPq: 306963/2018-3 CAPES: 88887.364687/2019-00
Databáze:	OpenAIRE
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