superordo: Ceratodontimorpha

ordo: Lepidosireniformes

familia: † Gnathorhizidae (Miles, 1977)

genus: † Gnathorhiza - Lower Perm

† Gnathorhiza flavosus (Cope, 1884) locality: Matfield Formation, Kansas

† Gnathorhiza dikeloda (Olson, 1951) locality: Abo Formation , New Mexico

† Gnathorhiza serrata (Cope, I974)

† Gnathorhiza dikeloda (Olson, 1951) locality: western Baylor County, Texas

† Gnathorhiza bothrotreta (Abel, 1913) locality: Abo Formation of New Mexico

genus: † Palaeophichthys

† Palaeophichthys parvulus (Eastman, 1908) Pennsylvanian locality: Illinois, U.S.A

† Palaeospondylus gunni (Ramsay Traquair, 1890) Middle Devon locality: Sandwick, Scotland

familia: Lepidosirenidae (Woodward, 1891)

genus: Lepidosiren (dél-amerikai tüdőshal)

Lepidosiren paradoxa (Fitzinger, 1837)

familia: Protopteridae

genus: Protopterus (Owen, 1839) (afrikai tüdőshalak)

† Protopterus regulatus (Tabaste, 1963)

† Protopterus protopteroides (Tabaste, 1963)

† Protopterus crassidens (Churcher & de Iuliis, 2001)

† Protopterus regulatus (Schaal, 1984) Devon locality: eastern Dakhleh Oasis, Egypt

† Protopterus nigeriensis (Martin, 1997) - Devon locality: Senonian Beceten Formation, southern Niger

Protopterus aethiopicus (Heckel, 1851) (ethióp tüdőshalak)

Protopterus aethiopicus aethiopicus (Heckel, 1851)

Protopterus aethiopicus congicus (Poll, 1961)

Protopterus aethiopicus mesmaekersi (Poll, 1961)

Protopterus amphibius (Peters, 1844) (zambézi tüdőshal)

Protopterus annectens (Owen, 1839) (nyugat-afrikai tüdőshalak)

Protopterus annectens annectens (Owen, 1839)

Protopterus annectens brieni (Poll 1961)

Protopterus dolloi (Boulenger, 1900) (kongói tüdőshal)