Identify the incorrect statement from the following:
- AThe overall decrease in atomic and ionic radii from lanthanum to lutetium is called lanthanoid contraction.
- BZirconium and Hafnium have identical radii of $160 \; pm$ and $159 \; pm$, respectively, as a consequence of lanthanoid contraction.
- CLanthanoids reveal only $+3$ oxidation state.
- DThe lanthanoid ions other than the $f^{0}$ type and the $f^{14}$ type are all paramagnetic.
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