- of, denoting, or relating to an era of geological time that began 600 million years ago with the Cambrian period and lasted about 375 million years until the end of the Permian period
- the Palaeozoic the Palaeozoic era
C19: from palaeo- + Greek zōē life + -ic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for palaeozoic
It belongs to the oldest, or Palaeozoic, system of formations.On the Origin of Species
Other Palaeozoic systems are, however, included in the folds.
The Tetrabranchiata were most abundant in the Palaeozoic and Mesozoic periods.
Occur exclusively in Palaeozoic strata from Devonian upwards.
This has been particularly the case with the group of Palaeozoic corals formerly classed together as Rugosa.