|Oregon hairy triton|
|Apertural view of Fusitriton oregonensis (Redfield, 1846) with operculum|
The Oregon hairy triton is native to the northwestern coast of North America. The shells are found from Alaska to California, as well as in northern Japan. The shells often wash up on the coast during high tides.  
The shells grow from three to five inches long.  The shell is light brown in color and is covered with gray-brown bristly periostracum, hence the name "hairy." The shell is an elongate cone with six whorls (or turns) around a central axis.
Little is known of the snail's feeding habits, but they are believed to feed on other mollusks,  ascidians ("sea squirts"),  and more rarely, sea urchins.  The species also holds the record for longest larval development period of any marine invertebrate, able to delay metamorphosis for over 4 years until presented with appropriate habitat.  Under laboratory conditions, the larvae showed no signs of senescence at that point. According to some authorities, four years is long enough to drift completely across the Pacific Ocean.
- Fusitriton oregonensis (Redfield, 1846). Retrieved through: World Register of Marine Species on 5 December 2018.
- State Symbols: Mountains to National Wildlife Refuges, Oregon Blue Book
- "Fusitriton oregonensis". Gastropods.com. Archived from the original on 2007-09-27. Retrieved 2007-08-16.
- "Harvard University Index of Botanists". Retrieved 2007-08-16.
- Chapter 186 — State Emblems; State Boundary Archived March 11, 2007, at the Wayback Machine. 2005 Oregon Revised Statutes
- "eNature: Oregon Hairy Triton". eNature. Archived from the original on 2007-09-29. Retrieved 2007-08-16.
- Washington State University Extension, Intertidal Organisms EZ-ID Guides: Fusitriton oregonensis (Oregon triton)
- Young, C.M. (January 1985). "Abundance patterns of subtidal solitary ascidians in the San Juan Islands, Washington, as influenced by food preferences of the predatory snail Fusitriton oregonensis". Marine Biology. 84 (3): 309–321. doi: 10.1007/BF00392501. Retrieved 2007-08-16.
- Duggins, David O. (December 1983). "Starfish Predation and the Creation of Mosaic Patterns in a Kelp-Dominated Community". Ecology. 64 (6): 1610–1619. doi: 10.2307/1937514. JSTOR 1937514.
- Strathmann, Megumi F.; Richard R. Strathmann (October 1, 2007). "An Extraordinarily Long Larval Duration of 4.5 Years from Hatching to Metamorphosis for Teleplanic Veligers of Fusitriton oregonensis". The Biological Bulletin. 213 (2): 152–159. doi: 10.2307/25066631. JSTOR 25066631. PMID 17928522. Retrieved 2009-05-04.
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