''Quasitetrastemma'' is a genus 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
Monostilifera
Monostilifera is a suborder of nemertean worms belonging to the class Enopla, a class of worms characterized by the presence of a peculiar armature of spines or plates in their proboscis.
Families
* Acteonemertidae
* Amphiporidae
* Carcinonemer ...
, family unassigned.
The species of this genus are found in Northern Pacific Ocean.
Species:
*''
Quasitetrastemma bicolor''
*''
Quasitetrastemma nigrifrons''
*''
Quasitetrastemma stimpsoni''
References
{{Taxonbar, from=Q18915974
Nemerteans