Nematoptychius

Nematoptychius
Temporal range:
fossil of Nematoptychius greenocki
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Palaeonisciformes
Genus: Nematoptychius
Traquair, 1875
Type species
Pygopterus greenocki
Traquair, 1866
Species
  • N. gracilis Traquair, 1877
  • N. greenocki (Traquair, 1866)

Nematoptychius is an extinct genus of ray-finned fish that lived from the Visean age of the Mississippian epoch (Early Carboniferous) to the Bashkirian age of the Pennsylvanian epoch (Late Carboniferous) in what is now Scotland, Belgium and France.

Its type species, Nematoptychius greenocki, was first described as Pygopterus greenocki by Ramsay Traquair.