Complex sentence: It was formerly considered the sole species within the "Arenophryne" genus until a new species of frog called the Southern Sandhill Frog was discovered about 100 kilometers from Geraldton, Western Australia in Kalbarri National Park and given the scientific name "Arenophryne xiphorhyncha".
Split into simpler sentences: It was formerly considered the sole species within the "Arenophryne" genus. However, recently a new species of frog called the Southern Sandhill Frog was discovered about 100 kilometers from Geraldton, Western Australia in Kalbarri National Park and given the scientific name "Arenophryne xiphorhyncha".