Crassigyrinus

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iCrassigyrinus
Fossil range: Early Carboniferous
Conservation status
Extinct (fossil)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: unknown
Genus: Crassigyrinus
Crassigyrinus scoticus
Type primitive amphibian.
Length 6 ft 6 in (2 m)
Movement swimming
Age 350 million years ago
Diet carnivore
Environment swamps
Distribution Scotland

Crassigyrinus scoticus was an amphibian from the early Carboniferous period, from Scotland. It is known from two specimens. The complete one is only missing its tail, which was probably long for better swimming. Crassigyrinus had small, very weak limbs that were virtually useless, therefore, this amphibian was almost completely aquatic. Some scientists regard Crassigyrinus as a reptiliomorph.

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