Name: Diptetus.
Meaning: Two winqs.
Grouping: Fish,
Osteichthyan, Sarcopterygian,
Dipneustian.
Informal ID: Lungfish.
Fossil size: 20cm/8in.
Reconstructed size:
Head-tail length 30cm/12in.
Habitat: Seas.
Time span: Devonian,
360 million years ago.
Main fossil sites: Europe,
North America.
Occurrence: