(of)Johnston, George. (1839). Miscellanea Zoologica. VI. The British Aphroditaceæ. <em>Annals of Natural History; or, Magazine of Zoology, Botany, and Geology.</em> 2(12): 424-441, plates XXI-XXIII., available online athttps://www.biodiversitylibrary.org/page/2278050 page(s): 436, plate XXII figs. 3-9 [details]
Read, G.; Fauchald, K. (Ed.) (2021). World Polychaeta Database. Harmothoe (Evarne) impar (Johnston, 1839). Accessed through: Sirenko, B.I.; Clarke, C.; Hopcroft, R.R.; Huettmann, F.; Bluhm, B.A.; Gradinger, R. (eds) (2021) The Arctic Register of Marine Species (ARMS) compiled by the Arctic Ocean Diversity (ArcOD) at: https://www.marinespecies.org/arms/aphia.php?p=taxdetails&id=335088 on 2024-04-19
Sirenko, B.I.; Clarke, C.; Hopcroft, R.R.; Huettmann, F.; Bluhm, B.A.; Gradinger, R. (eds) (2024). The Arctic Register of Marine Species (ARMS) compiled by the Arctic Ocean Diversity (ArcOD). Harmothoe (Evarne) impar (Johnston, 1839). Accessed at: https://marinespecies.org/arms/aphia.php?p=taxdetails&id=335088 on 2024-04-19
original description(of)Johnston, George. (1839). Miscellanea Zoologica. VI. The British Aphroditaceæ. <em>Annals of Natural History; or, Magazine of Zoology, Botany, and Geology.</em> 2(12): 424-441, plates XXI-XXIII., available online athttps://www.biodiversitylibrary.org/page/2278050 page(s): 436, plate XXII figs. 3-9 [details]