Ye old diamond tuck naugahyde

I remember ads in the hotrod magazines, trying to get builders to use the hide of the "nauga". Cute little animal, the nauga. Havent seen one in a long time. Are they extinct?
theres 3 or 4 of them lil naugies up g'ma's house, g'pa hauled naugahyde from stoughton wi and elkhart ind and ft howard oh back to high point nc from mid 60s threw late 80s!! use to have rolls and rolls of naugahyde stuffed every wheres on the farm!