| description of loraxichthys lexa, new genus and species (siluriformes: loricariidae) from the río huallaga basin, central peru, with notes on the morphology of the enigmatic lipopterichthys carrioni norman, 1935. | a new genus and species of armored catfish, loraxichthys lexa, collected in 1955 by the catherwood foundation peruvian-amazon expedition from the vicinity of tingo maría, huánuco, is described herein. loraxichthys is diagnosed by two uniquely derived characters: two to four robust evertible posterior cheek odontodes with hooked tips, longer than odontodes anterior to them but no more than twice their length; and skin folds on dorsal border along first pelvic-fin ray crenulated in mature males. l ... | 2013 | 26000436 |