Perleidiformes

Perleidiformes; Temporal range:
	Perleidus altolepis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Subclass:	Neopterygii
Order:	†Perleidiformes; Berg, 1937
Families
	†Aethodontidae; †Cephaloxenidae; †Cleithrolepididae; †Colobodontidae; †Gabanellidae; †Perleididae; †Platysiagidae; †Polzbergiidae; †Pseudobeaconiidae; †Saurichthyes;
Synonyms
	Perleidida; Polzbergiiformes Griffith 1977; Cephaloxeniformes; Platysiagiformes Brough 1939; Platysiagida Fowler 1958;

Perleidiformes are an extinct order of prehistoric ray-finned fish from the Triassic period Although numerous Triassic taxa have been referred to Perleidiformes, which ones should be included for it to form a monophyletic group is a matter of ongoing scientific debate.

Perleidiformes Temporal range:

Perleidus altolepis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Subclass:	Neopterygii
Order:	†Perleidiformes Berg, 1937
Families
†Aethodontidae †Cephaloxenidae †Cleithrolepididae †Colobodontidae †Gabanellidae †Perleididae †Platysiagidae †Polzbergiidae †Pseudobeaconiidae †Saurichthyes
Synonyms
Perleidida Polzbergiiformes Griffith 1977 Cephaloxeniformes Platysiagiformes Brough 1939 Platysiagida Fowler 1958