''Pterognathia'' is a genus of
worm
Worms are many different distantly related bilateria, bilateral animals that typically have a long cylindrical tube-like body, no limb (anatomy), limbs, and usually no eyes.
Worms vary in size from microscopic to over in length for marine ...
s belonging to the family
Pterognathiidae.
The genus has almost
cosmopolitan distribution
In biogeography, a cosmopolitan distribution is the range of a taxon that extends across most or all of the surface of the Earth, in appropriate habitats; most cosmopolitan species are known to be highly adaptable to a range of climatic and en ...
.
Species
Species:
*''
Pterognathia alcicornis''
*''
Pterognathia atrox''
*''
Pterognathia crocodilus''
References
{{Taxonbar, from=Q2340110
Gnathostomulida
Platyzoa genera