Dichotomous Key: Dipnoi
Kingdom: Animalia
Phylum: Animalia
Subphylum: Chordata
Class: Dipnoi
Information related to Dipnoi
Wikipedia
Wikispecies
Wikicommons
Parent key: Chordata
Subphyla
Vertebrata
Key: Dipnoi
Vertebrata
Clerck, 1757
Chordata keys
Subphyla
Myxini | Urochordata
Classes
Actinistia | Actinopterygii | Amphibia | Aves | Chondrichthyes | Dipnoi | Mammalia | Petromyzontida | Reptilia

2: Ceratodontiformes

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it is Omnivorous .teeth are strong .it depend on air in breathing. it breath in water by gills and dyring drynees through lung

3: Protopteridae

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Could be Protopterus aethiopicus, P. amphibius, P. annectens or P. dolloi