"In his treatise on supernatural collective nouns, David Malki asserts that it should be a 'finery of sphinges,'" the Stranger said calmly. "I've never considered Malki to be definitive, though, and he doesn't use my preferred plural, either, I think it should be a 'riddle of sphinges."
**Sphinges, sorry everyone****
This will only enhance the quality of those minutes!
You could not be more correct.