Species: nyasaensis (HAUGHTON, 1927) WATSON, 1962
Etymology: In reference to Malawi (was Nyasaland, South Africa).
= Rhinesuchus nyasaensis HAUGHTON, 1927

Holotype: SAM 7866

Locality: Mount Waller Area, Malawi (was Nyasaland, South Africa).

Horizon: Chiweta Beds.

Biostratigraphy: Latest Cistecephalus zone.

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material: Nearly complete skull and lower jaw.

Referred material:

UMZC T.259: Parts of a skull and mandible of the same specimen.

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Species: karibaensis STEYER & SIDOR, 2025
Etymology: In reference to Kariba, which is an important lake in southern Zambia, and Latin, ensis, "from or belonging to. It also parallels the construction of the species name of the Malawian species of Rhineceps.

Holotype: NHCC LB651

Locality: Locality L213, a small outcrops of gray siltstones north of Chisingasinga Hill, Gwembe District, Southern Province, Zambia.

Horizon: Madumabsia Mudstone Formation, Lower Karoog Group.

Biostratigraphy: Correlates to the Tropidostoma-Gorgonops subzone, Endothiodon Assemblage Zone of South Africa.

Age: Tartanian age, Early Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material: Nearly complete and dorosventrally flattened skull lacking lower jaws and with a transverse fissure at the level of the anterior border of the orbits, separating the skull into anterior and posteiror halves.

Paratype:

NHCC LB375: Nearly complete and dorsoventrally flattened skull lacking its posterolateral corner and lower jaws.