Conorhynchos nelsoni
Systematics of the family Ariidae (Ostariophysi, Siluriformes), with a redefinition of the genera.
Alexandre P. Marceniuk
Naércio A. Menezes
Zootaxa
2007
1416
1
126
4M38W
419349
Actinopterygii
Ariidae
Potamarius
Animalia
Siluriformes
98
Chordata
species
nelsoni
(fig. 84)
Conorhynchos nelsoniEvermann & Goldsborough, 1902: 140, fig. 1. Type locality: rioUsumacinta, Montecristo, Yucatan, Mexico. Holotype: USNM50001. Paratypes: USNM52963.
Distribution: Usumacinta River basin. Countries: Mexico and Guatemala.
Habitat: Freshwater.
FIGURE87. Potamarius izabalensis, UMMZ 177252. Dorsal view of neurocranium. Scale bar = 10 mm. FR - frontal; LET - lateral ethmoid; LN - lateral horn; MS - mesethmoid.
Maximumsize: 390 mm TL.
Material examined: AMNH25684(2 al, 217-233 mm TL), Guatemala, Peten, rio de la Passion, Altos de los Sacrificios.
923907214
USNM
Mexico
rio Usumacinta, Montecristo
USNM 50001
Yucatan
Holotype
923907212
USNM
Mexico
rio Usumacinta, Montecristo
USNM 52963
Yucatan
Paratype
923907187
AMNH
Guatemala
rio de la Passion, Altos de los Sacrificios
AMNH 25684
Peten