Description: Español: Pomacea urceus guayanensis Lamark 1819. Date: 1819. Source: Jean-Baptiste Lamarck. 1815–1822. Histoire naturelle des animaux sans vertèbres, présentant les caractères généraux et particuliers de ces animaux.., Tome 1 (1815): 1–462; Tome 2 (1816): 1–568; Tome 3 (1816): 1–586; Tome 4 (1817): 1–603; Tome 5 (1818): 1–612; Tome 6, Pt.1 (1819): 1–343; Tome 6, Pt.2 (1822): 1–252; Tome 7 (1822): 1–711. Author: Jean-Baptiste Lamarck. 1819.
Description: English: Plate 175. Ampullaria leucostoma. White-mouthed Apple Snail. Modern accepted name (2012) is Pomacea urceus[1]. Date: March 1822. Source: Zoological Illustrations, Volume III. Author: William Swainson, F.R.S., F.L.S.