Ichthyosaurus, [483];

I. communis, [483];

I. campylodon, [483];

I. quadriscissus, [483];

I. tenuirostris, [483];

I. trigonodon, [483]

Idiochelys, [380]

Iguana, [306], [528], [531];

I. tuberculata, [531]

Iguanidae, [513], [528] f.;