Climatiiformes

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Climatiiformes
Temporal range: Silurian - Carboniferous
Climatius.jpg
An artist's restoration of Climatius.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Class: Acanthodii
Order: Climatiiformes
Suborders & Families

Climatiida

Gyracanthidae
Climatiidae

Diplacanthida

Culmacanthidae
Tetanopsyridae
Diplacanthidae

The Climatiiformes is an order of extinct fish belonging to the class Acanthodii. Like most other "spiny sharks", the Climatiiformes had sharp spines. These animals were rather small in size (about 4 in or 10 cm) and lived from the Late Silurian to the Early Carboniferous period. The type genus is Climatius. The order splits into the suborders Climatiida and Diplacanthida, which themselves split into several families.