Mesognathariidae is a family 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 order
Bursovaginoidea.
Genera:
* ''
Labidognathia''
Riedl, 1970
* ''
Mesognatharia''
Sterrer, 1966
* ''
Tenuignathia''
Sterrer, 1976
References
Gnathostomulida
Platyzoa families
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