Gnathostomulidae is a family of
worm
Worms are many different distantly related bilateral animals that typically have a long cylindrical tube-like body, no limbs, and no eyes (though not always).
Worms vary in size from microscopic to over in length for marine polychaete wor ...
s belonging to the order
Bursovaginoidea
Bursovaginoidea is one of the two orders in the phylum Gnathostomulida.
Appearance and anatomy
Bursovaginoids are rather small, ranging from a half of a millimeter to a full millimeter in length. Many species in the order Bursovaginoidea have ...
.
Genera:
* ''
Chirognathia''
Sterrer & Sørensen, 2006
* ''
Corculognathia''
Ehlers & Ehlers, 1973
* ''
Gnathostomula''
Ax, 1956
* ''
Ratugnathia''
Sterrer, 1991
* ''
Semaeognathia''
Riedl, 1970
References
{{Taxonbar, from=Q1900171
Gnathostomulida
Platyzoa families