Charles Hudson of Massachusetts observed that Adams' public service was coeval with the establishment of the government.
This is why I say that the moral achievement of extending concern to others needn't antedate compassion, but can be coeval with it.
The records from coeval localities in Russia and NW China provide independent and unique evidence of deteriorating atmospheric conditions at the close of the Permian.
Of critical importance to our argument is that the assemblages from the Chinese and Russian localities are coeval .
The footnote as we know it is coeval with the modern principles of book design that emerged with the Enlightenment.
All of these faunas are probably roughly coeval .
Such an object would be eternal (or, at least, coeval with time itself) and immutable.
It is generally accepted that modern English literature was born in the second half of the 16th Century which was coeval with the Age of Elizabeth and the Renaissance.
That voice beckons you in with glimpses of a world where pleasure and pain are coeval and complementary, where love and loss walk hand in hand.
The terrestrial ecology of Pennsylvanian tropical wetlands is understood in detail, but coeval dryland ecosystems remain highly enigmatic.