Extant Coniacian first appearances

The Scolecophidia, commonly known as blind snakes or thread snakes, are an infraorder of snakes. They range in length from . All are fossorial (adapted for burrowing). Five families and 39 genera are recognized. The Scolecophidia infraorder is most-likely paraphyletic (with the family Anomalepididae recovered with strong support as sister clade to the 'typical snakes').

Cheilinus is a genus of fish in the family Labridae native to the Indian and Pacific Ocean.

Xenophora, commonly called carrier shells, is a genus of medium-sized to large sea snails, marine gastropod mollusks in the family Xenophoridae, the carrier snails or carrier shells. The genus Xenophora is the type genus of the family Xenophoridae.