Marine invertebrates.
What are we even talking about?
Like shellfish or what?
Yeah.
Mollusks?
Yeah, mollusks, ammonites.
Oh, sure.
Trilobites.
Yeah, I mean.
Your various bites.
Yeah, stuff on the seafloor.
And in this book for each species, it basically has.
Where this first appears in the fossil record.
Where it disappears in the fossil record.
So they grab this book.
They go to a house somebody had.
And then they go to the computer.
Take their big book out.
They start entering all the data.
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