Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Species in the genus Mikrogeophagus: [ 3 ] records

altispinosa, Crenicara Haseman [J. D.] 1911:344, Pl. 58 [Annals of the Carnegie Museum v. 7 (nos 3-4) (18); ref. 12510] Río Mamoré, below mouth of Río Guaporé, San Joaquin, Bolivia. Holotype: FMNH 54090 [ex CM 2639a]. Paratypes: (9) FMNH 54091-92 (1, 6). Type catalog: Henn 1928:95 [ref. 12305] as CM 2439, Ibarra & Stewart 1987:28 [ref. 12367]. •Valid as Mikrogeophagus altispinosa (Haseman 1911) -- (Lasso et al. 2001:101 [ref. 25928]). •Valid as Papiliochromis altispinosa (Haseman 1911) -- (Staeck 2003:184 [ref. 27488]). •Valid as Mikrogeophagus altispinosus (Haseman 1911) -- (Kullander in Reis et al. 2003:639 [ref. 27061], Sarmiento et al. 2014:189 [ref. 35004], Staeck 2017:272 [ref. 35639], see DoNascimiento et al. 2017:[27] [ref. 35679], Careaga et al. 2020:77 [ref. 37774], Staeck et al. 2022:49 [ref. 39588]). Current status: Valid as Mikrogeophagus altispinosus (Haseman 1911). Cichlidae: Cichlinae. Distribution: South America: upper Amazon River basin (Bolivia and Brazil). Habitat: freshwater.

maculicauda, Mikrogeophagus Staeck [W.], Ottoni [F. P.] & Schindler [I.] 2022:49, Figs. 1-7 [FishTaxa v. 24; ref. 39588] Rio Pindaituba (or Ribeirão Pintaituba) north of Vila Bella da Santissima Trinidade, tributary to the Rio Sararé, Mato Grosso State, Brazil. Holotype: CICCAA 02697. Paratypes: CICCAA 02698 (1), 02699 (2). •Valid as Mikrogeophagus maculicauda Staeck, Ottoni & Schindler 2022. Current status: Valid as Mikrogeophagus maculicauda Staeck, Ottoni & Schindler 2022. Cichlidae: Cichlinae. Distribution: South America: Rio Sararé drainage, upper Guaporé River basin, Mato Grosso State, Brazil. Habitat: freshwater.

ramirezi, Apistogramma Myers [G. S.] & Harry [R. R.] (ex Anonymous) 1948:77 [The Aquarium, Philadelphia v. 17; ref. 12903] Orinoco system, Venezuela. Holotype: CAS-SU 69630 [ex CAS-SU 14845]. Paratypes: CAS-SU 14845-47 (1, 1, 1). Type catalog: Böhlke 1953:81 [ref. 12291]. A more complete description appeared later in Myers & Harry 1948 [ref. 5458]. See Géry 1983:71 [ref. 31279] for a discussion of the correct spelling of the genus Microgeophagus and for other comments, but his conclusions are not accepted by most subsequent authors; see Kullander 2011:5 [ref. 31677] •Valid as Papiliochromis ramirezi (Myers & Harry 1948) -- (Staeck 2003:184 [ref. 27488]). •Valid as Mikrogeophagus ramirezi (Myers & Harry 1948) -- (Géry 1983:71 [ref. 31279] with genus as Microgeophagus, Lasso & Machado-Allison 2000:126 [ref. 27968], Kullander in Reis et al. 2003:639 [ref. 27061], Römer 2006:1198 [ref. 28970], Isbrücker 2011:12 [ref. 31274] with genus as Microgeophagus, Kullander 2011:35 [ref. 31677], Staeck 2017:274 [ref. 35639], DoNascimiento et al. 2017:98 [ref. 35633], Urbano-Bonilla et al. 2018:90 [ref. 35773], Staeck et al. 2022:49 [ref. 39588], Cortés Hernández et al. 2023:457 [ref. 40760]). Current status: Valid as Mikrogeophagus ramirezi (Myers & Harry 1948). Cichlidae: Cichlinae. Distribution: South America: Orinoco River basin (Colombia and Venezuela). Habitat: freshwater.