Then God said, “Let the waters abound with an abundance of living creatures, and let birds fly above the earth across the face of the firmament of the heavens.”
(Genesis 1:20 NKJV
In Noah’s flood the sea floor was buried first, that’s called the Cambrian. The things which were swimming just above the sea floor got buried next, that’s called the Ordovician.
Continue reading “First Vertebrates and a Great Variety of Marine Invertebrates”