[Aw, look at him taking notes, what a fine little scholar Falco is. Palamedes approves of this with a slight nod, then-]

'When,' as in what year? No idea. Some of them are from that 'dream' a handful of us were part of- not me, mind you- but I'm sure there's a record somewhere of when the first one appeared. [...] Or was first noticed, at least.

[He looks at the fish fossil again, squinting thoughtfully.]

This is hardly everything one might find buried in the rocks, right? There must be properly ancient beings in there if you dig deep enough.