Re: Not dinosaurs but chondrichthyans

["Mickey Mortimer" <Mickey_Mortimer111@msn.com>]

Lorna Steel wrote-

> Is anyone out there up to date with the earliest appearance of
> chondrichthyans? It's Devonian according to the latest edition of Benton's
> Vertebrate Palaeontology, but surely there have recent finds to push that
> back a little earlier. Shark people, please tell me what you know! It's
for
> a museum display.

Late Ordovician according to Miller et al. (2003), represented by scales and
dermal denticles.

Mickey Mortimer