Me
Megaelosia Miranda-Ribeiro, 1923 (7 sp.)
- Megaelosia apuana Pombal, Prado, and Canedo, 2003
- Megaelosia bocainensis Giaretta, Bokermann, and Haddad, 1993
- Megaelosia boticariana Giaretta and Aguiar, 1998
- Megaelosia goeldii (Baumann, 1912)
- Megaelosia jordanensis (Heyer, 1983)
- Megaelosia lutzae Izecksohn and Gouvêa, 1987
- Megaelosia massarti (De Witte, 1930)
Megastomatohyla Faivovich et al., 2005; (4 sp.)
- Megastomatohyla mixe (Duellman, 1965)
- Megastomatohyla mixomaculata (Taylor, 1950)
- Megastomatohyla nubicola (Duellman, 1964)
- Megastomatohyla pellita (Duellman, 1968)
Amphibia → Anura → Hylidae → Hylinae , Megophryidae , Megophryidae (187 sp.) , Megophrys , Melanobatrachinae (1 sp.) , Melanobatrachus , Melanophryne
Melanophryniscus Gallardo, 1961 (26 sp.)
- Melanophryniscus admirabilis Di-Bernardo, Maneyro, and Grillo, 2006
- Melanophryniscus alipioi Langone, Segalla, Bornschein, and de Sá, 2008
- Melanophryniscus atroluteus (Miranda-Ribeiro, 1920)
- Melanophryniscus cambaraensis Braun and Braun, 1979
- Melanophryniscus cupreuscapularis Céspedez and Alvarez, 2000
- Melanophryniscus devincenzii Klappenbach, 1968
- Melanophryniscus dorsalis (Mertens, 1933)
- Melanophryniscus estebani Céspedez, 2008
- Melanophryniscus fulvoguttatus (Mertens, 1937)
- Melanophryniscus klappenbachi Prigioni and Langone, 2000
- Melanophryniscus krauczuki Baldo and Basso, 2004
- Melanophryniscus langonei Maneyro, Naya, and Baldo, 2008
- Melanophryniscus macrogranulosus Braun, 1973
- Melanophryniscus montevidensis (Philippi, 1902)
- Melanophryniscus moreirae (Miranda-Ribeiro, 1920)
- Melanophryniscus pachyrhynus (Miranda-Ribeiro, 1920)
- Melanophryniscus paraguayensis Céspedez and Motte, 2007
- Melanophryniscus peritus Caramaschi and Cruz, 2011
- Melanophryniscus rubriventris (Vellard, 1947)
- Melanophryniscus sanmartini Klappenbach, 1968
- Melanophryniscus setiba Peloso, Faivovich, Grant, Gasparini, and Haddad, 2012
- Melanophryniscus simplex Caramaschi and Cruz, 2002
- Melanophryniscus spectabilis Caramaschi and Cruz, 2002
- Melanophryniscus stelzneri (Weyenbergh, 1875)
- Melanophryniscus tumifrons (Boulenger, 1905)
- Melanophryniscus vilavelhensis Steinbach-Padilha, 2008
Amphibia → Anura → Bufonidae , Melosauridae † , Melosaurus † , Meristogenys , Mertensiella
Mertensophryne Tihen, 1960 (14 sp.)
- Mertensophryne anotis (Boulenger, 1907)
- Mertensophryne howelli (Poynton and Clarke, 1999)
- Mertensophryne lindneri (Mertens, 1955)
- Mertensophryne lonnbergi (Andersson, 1911)
- Mertensophryne loveridgei (Poynton, 1991)
- Mertensophryne melanopleura (Schmidt and Inger, 1959)
- Mertensophryne micranotis (Loveridge, 1925)
- Mertensophryne mocquardi (Angel, 1924)
- Mertensophryne nairobiensis (Loveridge, 1932)
- Mertensophryne nyikae (Loveridge, 1953)
- Mertensophryne schmidti Grandison, 1972
- Mertensophryne taitana (Peters, 1878)
- Mertensophryne usambarae (Poynton and Clarke, 1999)
- Mertensophryne uzunguensis (Loveridge, 1932)
Amphibia → Anura → Bufonidae , Metacrinia , Metaphrynella
Metaphryniscus Señaris, Ayarzagüena, and Gorzula, 1994 (1 sp.)
- Metaphryniscus sosai Señaris, Ayarzagüena, and Gorzula, 1994
Amphibia → Anura → Bufonidae , Metoposauridae † , Metoposauroidea † , Metoposaurus Lydekker, 1890 †