Hi. Can anybody give me information on aulacerids. The only reference I could find on the Web was a line in the new version of the Royal Tyrell Museum's Web site that indicated their researchers had discovered "a forest of aulacerids" in the Canadian Rockies. I have some fossils from a site in the Rockies which 'might' be aulacerids. Does anyone know where I might find more information on this ??sponge?? or ??