Original description as Trematocara marginatum:
- Boulenger, George Albert. 1899. "Second contribution to the ichthyology of Lake Tanganyika - On the fishes obtained by the Congo Free State Expedition under Lieut. Lemaire in 1898". Transactions of the Zoological Society of London. 15(4): 87–96 (crc00043)
Conservation: Trematocara marginatum is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2006).