Shortdorsal cutthroat eel
The Shortdorsal cutthroat eel ( Synaphobranchus brevidorsalis , also known commonly as the Shortfin cut-throat eel ) is an eel in the family Synaphobranchidae ( cutthroat eels ) . 
<triplet> Synaphobranchidae <subj> eel <obj> parent taxon