Complex sentence: The Portuguese Ibex "Capra pyrenaica lusitanica" (an extinct subspecies of Spanish ibex) was a species of mountain goat that inhabited the north mountainous zones of Portugal, Galicia, Asturias and western Cantabria.
Split into simpler sentences: The Portuguese Ibex "Capra pyrenaica lusitanica" (an extinct subspecies of Spanish ibex). This mountain goat that inhabited old the north mountainous zones of Portugal, Galicia, Asturias and western Cantabria.