
1) Tetrapod common name
Found on
https://www.crosswordclues.com/clue/boto

Boto is a Portuguese name given to several types of dolphins and river dolphins native to the Amazon and the Orinoco River tributaries. A few botos exist exclusively in fresh water, and these are often considered primitive dolphins. ==Classification== The botos are a paraphyletic group, defined largely by their evolutionary convergences. The genus...
Found on
http://en.wikipedia.org/wiki/Boto

a freshwater dolphin native to the Amazon River; also known as a pink river dolphin and an Amazon River dolphin... Watch video
Found on
http://www.pbs.org/kqed/oceanadventures/glossary/
No exact match found.