Complex sentence: If the threat became active, "Furcifer timoni" cannot become Critically Endangered, but as it has a range of 385 square kilometres in one place, it would be able to be classified as endangered.
Split into simpler sentences: If the threat were to become active, "Furcifer timoni" would not become Critically Endangered. Instead, as it has a range of 385 square kilometres (149 square miles) in one place, it would be able to be classified as endangered.