Question: Neomonachus is a genus of earless seals, within the family Phocidae, it contains two species, the extinct Caribbean monk seal,and which extant endangered species of earless seal in the family Phocidae that is endemic to the Hawaiian Islands? 
Sentence (from "Pinniped"): There are 33 extant species of pinnipeds, and more than 50 extinct species have been described from fossils.
Relevant evidence: No