Denotes the whole creation in Romans 8:39; Colossians 1:15; Revelation 5:13; the whole human race in Mark 16:15; Romans 8:19-22.
The living creatures in Ezekiel 10:15,17, are imaginary beings, symbols of the Divine attributes and operations.
These dictionary topics are from M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition, published by Thomas Nelson, 1897. Public Domain, copy freely.
Easton, Matthew George. "Entry for 'Creature'". "Easton's Bible Dictionary".