Crypsirhina, [552]

Cryptolopha, [506], [514], [518]

Cryptorhina, [552]

Cryptornis, fossil Hornbill in France, [395]

Crypturi, incisura ischiadica, [9];

no pygostyle, [6] n.

Crypturidae, [182] f.

Crypturus, [183], [184];

C. tataupa, [184], [185]

Cubitals, [21], [22]