Platyurosternarchus
Platyurosternarchus is a genus of ghost knifefishes found in the Amazon, Orinoco and Essequibo river basins in tropical South America. They are medium-sized knifefish that reach up to  in total length and have a relatively long, downwards-pointed tubular snout. They are typically found in streams or near the shore of rivers, often among submerged tree trunks and branches over a leaf-covered bottom where they find their invertebrate prey. Species
There are two currently recognized species:

 Platyurosternarchus crypticus de Santana & Vari, 2009
 Platyurosternarchus macrostomus (Günther, 1870)

References

Apteronotidae
Fish of South America
Taxa named by Francisco Mago Leccia
Freshwater fish genera