Complex sentence: After careful study, they determined that the organism found was different from the rest and called the organism "Halomonas meridiana" due to its close relation to the "Halomonas" genus.
Split into simpler sentences: After careful study, they determined that the organism they had found was different from the rest. They called the organism "Halomonas meridiana" due to its close relation to the "Halomonas" genus.