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Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Parvphylum: Osteichthyes
Class: Dipneusti
Name derivation: “double breathing”
Number of Families: 3
Number of Genus: 3
Number of known Species: 6
Earliest Fossil Record: Early Devonian 410 mya
Habitat: Freshwater
Size Range: up to 2 m
Notes: Based on Catalogue of Life as of July 2024