Archaean is a 8 letter English word.
You can make 152 anagrams from letters in Archaean (aaacehnr).
1870-75; Greek archaî(os) ancient (see archaeo-) + -an
Again we must refrain from following in detail the development of this new world of life which branches off in the Archaean ocean.
The Archaean rocks still solidly underlie the lowest depth he has ever reached.
The evidence suggests that both the free-moving and the stalked Echinoderms descend from a common stalked Archaean ancestor.
Their lithological characteristics and the total absence of all organic remains point to the Archaean period.
Now it would be natural enough to suppose that those fossils which occur at the bottom, or next to the Archaean, are the oldest.
It was laid down close to the igneous Archaean rocks when Mother Earth was in her girlhood and water first began to flow.
This place is about five hundred yards west of the bridge in an alcove in the Archaean Rock which forms the Canyon wall.
The last and most important line that led upward from the chaos of Archaean worms is that of the Arthropods.
Directly or indirectly, the fish is a descendant of some Archaean Annelid.
As we have no recognisable remains of the animals and plants of the earliest age, we will not linger over the Archaean rocks.
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