Sea Lemon

Tier-und Pflanzenleben der Nordsee /. Leipzig :W. Klinkhardt,1914-1922.. biodiversitylibrary.org/page/38768246

Description: English: Alder J. & Hancock A. (1845-1855). A monograph of the British nudibranchiate Mollusca: with figures of all the species. The Ray Society, London. Published in 8 parts: Part 1. Fam.1 Plate 4 [1845]. Doris flammea Alder & Hancock, 1844 synonym Doris pseudoargus Rapp, 1827 accepted name. Date: 1845. Source: https://www.biodiversitylibrary.org/item/131598#page/101/mode/1up. Author: Joshua Alder.

Description: Français : Doris pseudoargus Rapp, 1827 - Banyuls-sur-Mer, le Troc : 07/91. Date: 21 December 2009. Source: Own work. Author: Parent Géry.

Description: English: Archidoris pseudoargus, Helgoland. Date: 17 August 2010. Source: Own work. Author: Vulpecula23.

Description: English: Alder J. & Hancock A. (1845-1855). A monograph of the British nudibranchiate Mollusca: with figures of all the species. The Ray Society, London. Published in 8 parts: Part 6. Fam.1 Plate 3 [1854]. Doris tuberculata Cuvier synonym Archidoris tuberculata (Müller, 1778) sensu Cuvier, 1804 synonym Doris pseudoargus Rapp, 1827 Doris pseudoargus Rapp, 1827 accepted name. Date: 1854. Source: https://www.biodiversitylibrary.org/item/131598#page/95/mode/1up. Author: Joshua Alder.