Historical review, catalog of type specimens and online database of the ichthyology collection of the Instituto de Ciencias Naturales of the Universidad Nacional de Colombia (ICN-MHN) Author Mojica, José Ivan Author Agudelo-Zamora, Henry D. text Zootaxa 2018 2018-09-14 4478 1 1 79 journal article 29198 10.11646/zootaxa.4478.1.1 264fca2e-af6c-427c-8edd-853280f9b607 1175-5326 1452744 F428594C-5A0B-4781-B98B-A7CE4826225F Heptapteridae Imparfinis pristos Mees & Cala, 1989 : 391 , fig. 3. Holotype ( Fig. 58 ): ICN-MHN 1401 ( 31.3 mm SL), Colombia , Vichada , second tributary of right margin, upriver from mouth of Tomo River , tributary of Orinoco River ; P. Cala , 22 Feb 1972 . Paratypes : ICN-MHN 1402 (4, 24.2–29.9 mm SL), collected with the holotype . Imparfinis pseudonemacheir Mees & Cala, 1989 : 387 , fig. 2. Paratypes ( Fig. 59 ) ICN-MHN 1403, (4, 25.73– 31.35 mm SL). Colombia , Meta , Puerto López, River Metica drainage, Guayuriba River , Meta River system; P. Cala , 20 Feb 1972 . FIGURE 50. Paratype of Trichomycterus gorgona ICN-MHN 10019 (scale bar = 1 cm). Photo by Henry Agudelo. Medemichthys guayaberensis Dahl, 1961 : 491 , unnumbered figure. Paratypes ( Fig. 60 ): ICN-MHN 442 (8, 22.8– 38.1 mm SL), Colombia , Meta , creek at Campo Thompson, Guayabero River ; G. Dahl , Feb 1959 . Remarks : All 18 paratypes were loaned to John G. Lundberg in March 1988 and were found in ANSP (Mariangeles Arce H., pers. comm.). In 2016, eight specimens were returned to ICN-MHN. A label accompanying the specimens from Flávio A. Bockmann indicates 16 specimens , from which 2 were cleared and stained (C&S). Bockmann & Ferraris (2005) stated that some paratypes were donated by the first author to ANSP ( 2 specimens , ANSP 180338 ) and to LIRP ( 3 specimens , LIRP 5180). Currently treated as a junior synonym of Nemuroglanis mariai (Schultz, 1944) ( Bockmann & Ferraris, 2005 ). Pimelodella figueroai Dahl, 1961 : 498 , unnumbered figure. Paratypes ( Fig. 61 ): ICN-MHN 2900 (12, 44.9–106.4 mm SL), Colombia , Meta , Serranía de la Macarena , Caño Losada, Guayabero River ; G. Dahl , 9–16 Mar 1959 . Pimelodella floridablancaensis Ardila-Rodríguez, 2017 : 3 , fig. 1. Paratype ( Fig. 62 ): ICN-MHN 13739 (ex CAR02 ) (1, 98.60 mm SL), Colombia , Santander , Floridablanca , quebrada Aranzoque , en la parte baja del puente del Limoncito parte alta del río Lebrija , Magdalena river Basin 7°04’11”N , 73°05’52”W , 925 m asl .; C. Ardila- Rodríguez , 27 Mar 1988 . Rhamdia lehmanni Dahl, 1961 : 487 , unnumbered figure. Paratypes ( Fig. 66 ): ICN-MHN 358 (2, 82.0– 95.5 mm SL), Colombia , Meta , Caño Losada , Guayabero River , ca . 1500 m from Campo Thomson No. 1.; G. Dahl , Feb 1959 . Remarks : currently treated as junior synonym of Rhamdia quelen (Quoy & Gaimard, 1824) ( Silfvergrip, 1996 ) .