A.Cambrian period
B.Silurian period
C.Ordovician period
D.Permian period
Related Mcqs:
- The fishes dominated during:
- Cephalopod Molluscs were dominant during:
- Terrestrial Colonization started during:
- Trilobites and Brachiopods were dominant during:
- Palaeozoic era does not include:
- First land vertebrate originated during:
- Brachiopods and Copepods dominated in:
- In which of the following periods, chordates originated:
- In geological history of the earth, the beginning of birds and mammals occurred in:
- Amphibians were at climax during:
