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Novaes-e-Fagundes G, Lyra ML, Loredam VSA, Carvalho TR, Haddad CFB, Rodrigues MT, Baldo D, Barrasso DA, Loebmann D, Ávila RW, Brusquetti F, Prudente ALC, Wheeler WC, Goyannes Dill Orrico V, Peloso P. A tale of two bellies: systematics of the oval frogs (Anura: Microhylidae: Elachistocleis Parker, 1927). Zool J Linn Soc 2022. [DOI: 10.1093/zoolinnean/zlac057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Oval frogs (Elachistocleis) have a broad geographic distribution covering nearly all of South America and parts of Central America. They also have a large inter- and intraspecific variation of the few morphological characters commonly used as diagnostic traits among species of the genus. Based on molecular data, we provide the most complete phylogeny of Elachistocleis to date, and explore its genetic diversity using distance-based and tree-based methods for putative species delimitation. Our results show that at least two of the most relevant traditional characters used in the taxonomy of this group (belly pattern and dorsal median white line) carry less phylogenetic information than previously thought. Based on our results, we propose some synonymizations and some candidate new species. This study is a first major step in disentangling the current systematics of Elachistocleis. Yet, a comprehensive review of morphological data is needed before any new species descriptions can be properly made.
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Affiliation(s)
- Gabriel Novaes-e-Fagundes
- Tropical Herpetology Laboratory, PPG Zoologia, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz , Ilhéus, Bahia , Brazil
| | - Mariana L Lyra
- Instituto de Biociências, Departamento de Biodiversidade e Centro de Aquicultura (CAUNESP), Universidade Estadual Paulista , Rio Claro, São Paulo , Brazil
| | - Vinicius S A Loredam
- Instituto de Biociências, Departamento de Biodiversidade e Centro de Aquicultura (CAUNESP), Universidade Estadual Paulista , Rio Claro, São Paulo , Brazil
| | - Thiago R Carvalho
- Instituto de Biociências, Departamento de Biodiversidade e Centro de Aquicultura (CAUNESP), Universidade Estadual Paulista , Rio Claro, São Paulo , Brazil
| | - Célio F B Haddad
- Instituto de Biociências, Departamento de Biodiversidade e Centro de Aquicultura (CAUNESP), Universidade Estadual Paulista , Rio Claro, São Paulo , Brazil
| | - Miguel T Rodrigues
- Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo , São Paulo , Brazil
| | - Diego Baldo
- Laboratorio de Genética Evolutiva, Instituto de Biología Subtropical `Claudio Juan Bidau’ (CONICET-UNaM), Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones , Posadas, Misiones , Argentina
| | - Diego A Barrasso
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET) , Puerto Madryn, Chubut , Argentina
- Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia `San Juan Bosco’ , Puerto Madryn, Chubut , Argentina
| | - Daniel Loebmann
- Laboratório de Vertebrados, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande , Rio Grande, Rio Grande do Sul , Brazil
| | - Robson W Ávila
- Departamento de Biologia, Núcleo Regional de Ofiologia da UFC, Universidade Federal do Ceará , Fortaleza, Ceará , Brazil
| | - Francisco Brusquetti
- Instituto de Investigación Biológica del Paraguay , Del Escudo, Asunción , Paraguay
| | - Ana L C Prudente
- Laboratório de Herpetologia, Coordenação de Zoologia, Museu Paraense Emílio Goeldi , Belém, Pará , Brazil
| | - Ward C Wheeler
- Division of Invertebrate Zoology, American Museum of Natural History , New York, NY , USA
| | - Victor Goyannes Dill Orrico
- Tropical Herpetology Laboratory, PPG Zoologia, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz , Ilhéus, Bahia , Brazil
| | - Pedro Peloso
- Laboratório de Herpetologia, Coordenação de Zoologia, Museu Paraense Emílio Goeldi , Belém, Pará , Brazil
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Barrasso DA, Úbeda CA, Cotichelli L, Basso NG. On the presence of Alsodes coppingeri (Anura, Alsodidae) in Argentina, with comments on other southern Alsodes. NEOTROPICAL BIODIVERSITY 2022. [DOI: 10.1080/23766808.2022.2029321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
- Diego A. Barrasso
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET), Puerto Madryn, Chubut, Argentina
- Facultad de Ciencias Naturales y Ciencias de la Salud Universidad Nacional de la Patagonia “San Juan Bosco” (UNPSJB), Puerto Madryn, Chubut, Argentina
| | - Carmen A. Úbeda
- Departamento de Zoología, Centro Regional Bariloche, Universidad Nacional del Comahue (UNCo), San Carlos de Bariloche, Río Negro, Argentina
| | - Leonardo Cotichelli
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET), Puerto Madryn, Chubut, Argentina
| | - Néstor G. Basso
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET), Puerto Madryn, Chubut, Argentina
- Facultad de Ciencias Naturales y Ciencias de la Salud Universidad Nacional de la Patagonia “San Juan Bosco” (UNPSJB), Puerto Madryn, Chubut, Argentina
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Baldo D, Bunge MM, Barrasso DA, Boeris JM, Ferro JM, Cotichelli L, Úbeda CA, Basso NG. Rebuilding the Cytogenetics of Atelognathus (Anura: Batrachylidae): Half a Century of Confusion. HERPETOLOGICA 2020. [DOI: 10.1655/herpetologica-d-19-00050.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Diego Baldo
- Laboratorio de Genética Evolutiva, Instituto de Biología Subtropical (CONICET-UNaM), Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones, N3300LQF Posadas, Misiones, Argentina
| | - María Marta Bunge
- Centro Regional Bariloche, Universidad Nacional del Comahue, R 8400 FRF, San Carlos de Bariloche, Río Negro, Argentina
| | - Diego Andrés Barrasso
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET) and Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia “San Juan Bosco,” U9120ACD Puerto Madryn, Chubut, Argentina
| | - Juan Martín Boeris
- Laboratorio de Genética Evolutiva, Instituto de Biología Subtropical (CONICET-UNaM), Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones, N3300LQF Posadas, Misiones, Argentina
| | - Juan Martín Ferro
- Laboratorio de Genética Evolutiva, Instituto de Biología Subtropical (CONICET-UNaM), Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones, N3300LQF Posadas, Misiones, Argentina
| | - Leonardo Cotichelli
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET) and Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia “San Juan Bosco,” U9120ACD Puerto Madryn, Chubut, Argentina
| | - Carmen Adria Úbeda
- Centro Regional Bariloche, Universidad Nacional del Comahue, R 8400 FRF, San Carlos de Bariloche, Río Negro, Argentina
| | - Néstor Guillermo Basso
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET) and Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia “San Juan Bosco,” U9120ACD Puerto Madryn, Chubut, Argentina
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Riva-Rossi C, Barrasso DA, Baker C, Quiroga AP, Baigún C, Basso NG. Revalidation of the Argentinian pouched lamprey Geotria macrostoma (Burmeister, 1868) with molecular and morphological evidence. PLoS One 2020; 15:e0233792. [PMID: 32470001 PMCID: PMC7259705 DOI: 10.1371/journal.pone.0233792] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 05/12/2020] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND The Argentinian pouched lamprey, classified as Petromyzon macrostomus Burmeister, 1868 was first described in 1867 in De La Plata River, in Buenos Aires, Argentina, and subsequently recorded in several rivers from Patagonia. Since its original description, the validity of P. macrostomus was questioned by several ichthyologists and 36 years after its original discovery it was considered a junior synonym of Geotria australis Gray, 1851. For a long time, the taxonomic status of G. australis has been uncertain, largely due to the misinterpretations of the morphological alterations that occur during sexual maturation, including the arrangement of teeth, size and position of fins and cloaca, and the development of an exceptionally large gular pouch in males. In this study, the taxonomic status of Geotria from across the "species" range was evaluated using both molecular analysis and examination of morphological characteristics. METHODOLOGY/PRINCIPAL FINDINGS Phylogenetic and species delimitation analyses based on mitochondrial DNA sequences of Cytochrome b (Cyt b) and Cytochrome C Oxidase Subunit 1 (COI) genes, along with morphological analysis of diagnostic characters reported in the original descriptions of the species were used to assess genetic and morphological variation within Geotria and to determine the specific status of the Argentinian lamprey. These analyses revealed that Geotria from Argentina constitutes a well differentiated lineage from Chilean and Australasian populations. The position of the cloaca and the distance between the second dorsal and caudal fins in sub-adult individuals, and at previous life stages, can be used to distinguish between the two species. In addition, the genetic distance between G. macrostoma and G. australis for the COI and Cyt b mitochondrial genes is higher than both intra- and inter-specific distances reported for other Petromyzontiformes. CONCLUSIONS/SIGNIFICANCE Our results indicate that the Argentinian pouched lamprey, found along a broad latitudinal gradient on the south-west Atlantic coast of South America, should be named as Geotria macrostoma (Burmeister, 1868) and not as G. australis Gray 1851, returning to its earliest valid designation in Argentina. Geotria macrostoma can now be considered as the single lamprey species inhabiting Argentinian Patagonia, with distinct local adaptations and evolutionary potential. It is essential that this distinctiveness is recognized in order to guide future conservation and management actions against imminent threats posed by human actions in the major basins of Patagonia.
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Affiliation(s)
- Carla Riva-Rossi
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET), Puerto Madryn, Chubut, Argentina
| | - Diego Andrés Barrasso
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET), Puerto Madryn, Chubut, Argentina
- Sección Herpetología, División Zoología Vertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata (UNLP), La Plata, Buenos Aires, Argentina
| | - Cindy Baker
- National Institute of Water & Atmospheric Research Ltd (NIWA), Hamilton, New Zealand
| | - Analía Pamela Quiroga
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET), Puerto Madryn, Chubut, Argentina
| | - Claudio Baigún
- Instituto de Investigación e Ingeniería Ambiental (CONICET-UNSAM), San Martín, Buenos Aires, Argentina
| | - Néstor Guillermo Basso
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET), Puerto Madryn, Chubut, Argentina
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