Protopteridae References Protopteridae fish family Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of EncyclopĂŠdia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: lungfish/ Annotated classification Family Protopteridae 5 gill clefts; body length to 1.8 metres (about 6 feet). 1 genus (Protopterus), 4 living species. Some writers assign Dipnoi to the ordinal level, subsuming several familiesâmostly extinctâwithin that order. Read More Family Protopteridae 5 gill clefts; body length to 1.8 metres (about 6 feet). 1 genus (Protopterus), 4 living species. Some writers assign Dipnoi to the ordinal level, subsuming several familiesâmostly extinctâwithin that order. Read More
