A tale of two bellies: systematics of the oval frogs (Anura: Microhylidae: Elachistocleis) Author Novaes-E-Fagundes, Gabriel Author Lyra, Mariana L. Author Loredam, Vinicius S. A. Author Carvalho, Thiago R. Author Haddad, Célio F. B. Author Rodrigues, Miguel T. Author Baldo, Diego Author Barrasso, Diego A. Author Loebmann, Daniel Author Ávila, Robson W. Author Brusquetti, Francisco Author Prudente, Ana L. C. Author Wheeler, Ward C. Author Orrico, Victor Goyannes Dill Author Peloso, Pedro text Zoological Journal of the Linnean Society 2023 2022-08-24 197 545 568 journal article 10.1093/zoolinnean/zlac057 a6a1a213-903b-4c6f-b317-50fc21657684 0024-4082 7695481 27C78E3C-CD39-4BA9-99D0-778D850368C7 THE ELACHISTOCLEIS BICOLOR GROUP We recognize four nominal species in the E . bicolor group: E . bicolor , E . haroi , E . helianneae and E . nigrogularis . Except for E . nigrogularis , species of this group predominantly have an immaculate belly, but see comments below.