Meanings of early angiosperms in English

Sudarat and her boys are going to come home with a hold full of early angiosperms and dinosaur eggs.

These things had come from Mesozoic gymnosperms and conifers-especiallyCretaceous cycads-andfrom fan palms and early angiosperms of plainly Tertiary date.

But Darwin didn't get the details entirely right because very rare early angiosperms have been found in Europe and the US too.