Complex sentence: Therefore, Michael Dawson proposed that the golden jellyfish in Jellyfish Lake be designated as a supspecies ("Mastigias cf. papua etpisoni") and he also proposed subspecies names for the four golden jellyfish that live in four other isolated Palau marine lakes.
Split into simpler sentences: Therefore, Michael Dawson proposed that the golden jellyfish in Jellyfish Lake be designated as a supspecies ("Mastigias cf. papua etpisoni"). He proposed subspecies names for the four golden jellyfish that live in four other isolated Palau marine lakes.