Synaptolaemus
Synaptolaemus is a genus of headstanders native to South America , where found in the Orinoco , Casiquiare and Amazon Basin . 
<triplet> Orinoco <subj> South America <obj> continent <triplet> Casiquiare <subj> Orinoco <obj> tributary <triplet> Amazon Basin <subj> South America <obj> continent