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Re: Time Line
Can someone define some of the terms posted in the last Time Line?
> Last of the Pteridosperms
> First appearance of angiosperms
> First placental animals
(a specific subset of mammals?)
> First Teleosts
> First rudists
> First globigerinas
> First grazing echinoids
The last Time Line also showed:
> Canada Basin opens (136Ma)
> Canada Basin open (91Ma)
This may be a dumb question for a Canadian to ask, but what is the Canada Basin?
Is it Hudson's Bay?
Can anyone add some of the dinosaur families to the Time Line?