Complex sentence: The three monk seal species were classified in the same genus, "Monachus" until, in 2014, following comparison of the mitochondrial cytochrome b DNA sequence of all three species, biologists placed the Caribbean and Hawaiian species in a new genus, "Neomonachus".
Split into simpler sentences: The three monk seal species were classified in the same genus, "Monachus", until in 2014. Following comparison of the mitochondrial cytochrome b DNA sequence of all three species, biologists placed the Caribbean and Hawaiian species in a new genus, "Neomonachus".