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ONYCHORHYNCHIDAE - Royal Flycatchers and allies1 (3:5)
ONYCHORHYNCHUS J.G. Fischer, 1810 M - Todus regius J.F. Gmelin, 1788; type by monotypy = Muscicapa coronata Statius Muller, 1776  2
Onychorhynchus coronatus3 Royal Flycatcher
1 mexicanus (P.L. Sclater, 1857) vS Mexico (S Veracruz, N and SE Oaxaca) to Panama
1 fraterculus Bangs, 1902 N Colombia (south to N Antioquia, N Santander and NW Arauca) and NW Venezuela (W Zulia, W Trujillo, W Mérida, NW Barinas)
2 occidentalis (P.L. Sclater, 1860) vNW Ecuador (W Esmeraldas) to extreme NW Peru (Tumbes)
3 coronatus (Statius Muller, 1776) vS and E Venezuela (except S Amazonas), the Guianas and E Amazonian Brazil (west to R. Negro and R. Tapajós)
3 castelnaui Deville, 1849 SE Colombia, S Venezuela (S Amazonas), E Ecuador, E Peru, W Amazonian Brazil (east to R. Negro and R. Madeira) and N Bolivia
4 swainsoni (von Pelzeln, 1858) SE Brazil (E Minas Gerais and Rio de Janeiro to N Paraná)
TERENOTRICCUS Ridgway, 1905 M - Myiobius fulvigularis Salvin & Godman, 1889; type by original designation  4
Terenotriccus erythrurus Ruddy-tailed Flycatcher
fulvigularis (Salvin & Godman, 1889) vSE Mexico (S Campeche to NE Chiapas), N Guatemala and Belize to Panama, N and W Colombia, SW Ecuador (NW Azuay) and W Venezuela (W Trujillo, NW Barinas, Carabobo)
venezuelensis J.T. Zimmer, 1939 vE Colombia (E Guainía), S and SE Venezuela (Amazonas, W and S Bolívar) and NW Brazil (R. Uaupés)
erythrurus (Cabanis, 1847) vE Venezuela (E Bolívar), the Guianas and N Brazil (north of R. Amazon, west to R. Negro)
signatus J.T. Zimmer, 19395 vSE Colombia, E Ecuador, NE Peru (north of R. Marañón) and W Amazonian Brazil (north of R. Amazon, east to R. Japurá)
brunneifrons Hellmayr, 1927 E Peru (south of R. Marañón), W Amazonian Brazil (south of R. Amazon, east to R. Juruá), NW and C Bolivia
purusianus (Parkes & Panza, 1993)6 vW Amazonian Brazil (middle R. Purus) [Parkes, 1993 #2946]
amazonus J.T. Zimmer, 19397 vC Amazonian Brazil (south of R. Amazon, lower R. Tefé to lower R. Purus and from R. Madeira to R. Tapajós)
hellmayri (E. Snethlage, 1907) E Amazonian Brazil (west to R. Tocantins)
MYIOBIUS G.R. Gray, 1839 M - Muscicapa barbata J.F. Gmelin, 1789; type by subsequent designation (Opinion 414, Int. Comm., 1956, Op. Decl. Zool. Nomencl., 13, p. 245).8,9
Myiobius villosus Tawny-breasted Flycatcher
villosus P.L. Sclater, 1860 vE Panama (Cerro Tacarcuna); W Andes of Colombia to NW Ecuador (Pichincha)
schaeferi Aveledo & A.R. Pons, 1952 Sierra de Perijá; locally in Andes of Venezuela (W Mérida, SE Táchira) and on E slope of E Andes of Colombia (W Arauca, NW Casanare)
clarus J.T. Zimmer, 1939 vE slope of Andes of S Colombia (W Caquetá) to C Peru (Junín)
peruvianus Todd, 1922 vE slope of Andes of SE Peru (Puno) and NW Bolivia (La Paz)
Myiobius barbatus10 Sulphur-rumped Flycatcher/Whiskered Flycatcher
1 sulphureipygius (P.L. Sclater, 1857)11 vSE Mexico (S Veracruz, N Oaxaca) to NW Honduras
1 aureatus Bangs, 1908 vNE Honduras (mainly on Caribbean slope) to Panama, W Colombia and SW Ecuador (W Loja)
2 semiflavus Todd, 1919 vNC Colombia (N Antioquia to NW Santander)
2 barbatus (J.F. Gmelin, 1789) vE Ecuador, NE Peru (north of R. Marañón), SE Colombia, S and E Venezuela (south of R. Orinoco), the Guianas and N Brazil (north of R. Amazon)
2 amazonicus Todd, 1925 vE Peru (south of R. Marañón) and W Amazonian Brazil (south of R. Amazon, east to R. Madeira)
2 insignis J.T. Zimmer, 1939 vE Amazonian Brazil (south of R. Amazon, west to R. Tapajós)
2 mastacalis (zu Wied-Neuwied, 1821)12 vE Brazil (S Goiás; Paraíba to NE Santa Catarina)
Myiobius atricaudus13 Black-tailed Flycatcher
1 atricaudus Lawrence, 1863 SW Costa Rica to N and W Colombia
1 modestus Todd, 1912 vC and E Venezuela (along R. Orinoco in N Bolívar)
1 portovelae Chapman, 1924 W Ecuador and NW Peru (Tumbes)
1 adjacens J.T. Zimmer, 1939 S Colombia (Putumayo), E Ecuador, E Peru and W Amazonian Brazil (south of R. Amazon, east to R. Madeira)
1 connectens J.T. Zimmer, 1939 E Amazonian Brazil (south of R. Amazon, west to R. Tapajós)
1 snethlagei Hellmayr, 1927 NE Brazil (E Maranhão to Ceará and Pernambuco, south to SE Goiás and W Bahia)
2 ridgwayi von Berlepsch, 1888 SE Brazil (Espírito Santo and E Minas Gerais to São Paulo and NE Paraná)

1 For formal introduction of this family-group name see Tello et al. (2009) [Tello, 2009 #12002].
2 For reasons to treat the mexicanus group as conspecific with coronatus see Ridgely & Tudor (1994) [Ridgely, 1994 #3272].
3 Probably comprises multiple species, see Fitzpatrick (2004) [Fitzpatrick, 2004 #12197].
4 Moved here from the Tyrannidae on the authority of Ohlson et al. (2013) [Ohlson, 2013 #14349].
5 Doubtfully diagnosable from brunneifrons, see Fitzpatrick (2004) [Fitzpatrick, 2004 #12197].
6 Doubtfully diagnosable from brunneifrons, see Fitzpatrick (2004) [Fitzpatrick, 2004 #12197].
7 Doubtfully diagnosable from brunneifrons; see Fitzpatrick (2004) [Fitzpatrick, 2004 #12197].
8 For transfer from the Tyrannidae to the Onychorhynchidae; see Ohlson et al. (2013) [Ohlson, 2013 #14349].
9 See Lanyon (1988) [Lanyon, 1988 #2326]. The authorship is not Darwin, contra I.C.Z.N. (1956) [I.C.Z.N., 1956 #6618], but the citation in Traylor (1979) [Traylor, 1979 #3871] is otherwise correct. See Steinheimer et al. (2006) [Steinheimer, 2006 #4439]. The authorship was not the issue on which an Opinion was sought. A correction has been requested from the Commission.
10 For reasons to treat the sulphureipygius group as conspecific with barbatus see Ridgely & Tudor (1994) [Ridgely, 1994 #3272].
11 Frequently treated as a separate species including subspecies aureatus, but see Zimmer (1939) [Zimmer, 1939 #9560] and Ridgely & Tudor (1994) [Ridgely, 1994 #3272] for rationale for continued treatment as conspecific.
12 May merit treatment as a separate species; see Fitzpatrick (2004) [Fitzpatrick, 2004 #12197].
13 Subspecies groups follow A.O.U. (1998) [A.O.U., 1998 #9].
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