Heptapteridae, Gill, 1861

Mojica, José Ivan & Agudelo-Zamora, Henry D., 2018, 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), Zootaxa 4478 (1), pp. 1-79 : 46-47

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 .

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) .

Figures

FIGURE 58. Holotype of Imparfinis pristos ICN-MHN 1401 (scale bar = 1 cm). Photo by Jorge García Melo.

FIGURE 59. Paratype of Imparfinis pseudonemacheir ICN-MHN 1403 (scale bar = 1 cm). Photo by Jorge García Melo.

FIGURE 60. Paratype of Medemichthys guayaberensis ICN-MHN 442 (scale bar = 1 cm). Photo by Henry Agudelo.

FIGURE 61. Paratype of Pimelodella figueroai ICN-MHN2900 (scale bar = 1 cm). Photo by Henry Agudelo.

FIGURE 62. Holotype of Pimelodella floridablancaensis ICN-MHN 13739 (scale bar = 1 cm). Photo by Henry Agudelo.

FIGURE 66. Paratype of Rhamdia lehmanni ICN-MHN 358 (scale bar = 1 cm). Photo by Jorge García Melo.