Humboldtichthys is an extinct genus of glass knifefishes from the Miocene Yecua Formation of Bolivia. A single species is currently recognized: Humboldtichthys...

Eigenmannia vicentespelaea is the only cave-dwelling gymnotiform. Humboldtichthys kirschbaumi (formerly genus Ellisella) from Upper Miocene of Bolivia...

fragments, partial vertebrae & ribs Pleurodira shell elements Humboldtichthys Humboldtichthys kirschbaumi incompletely preserved anterior portion of the...