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Abstract
The pteropods Clio andreae (Boas 1886), Clio chaptali Gray 1850 Clio pyramidata Linnaeus 1767 forma lanceolata (Lesueur 1821) (Thecosomata), Paraclione longicaudata (Souleyet 1852), and Thliptodon diaphanus (Meisenheimer 1902) (Gymnosomata) are recorded for the first time from the Gulf of Alaska. The zoogeography of the deep-living species is discussed. A specimen of Clio andreae was present as an aberrant stage, which suggested that it may be an expatriate.