Eugene Nicolas Kozloff (26 September 1920 – 4 March 2017^[1]) was an American marine biologist and botanist at Shannon Point Marine Center on Fidalgo Island, Washington. He was an emeritus professor of the Friday Harbor Laboratories, University of Washington,^[2] and is best known for writing field guides for the Pacific Northwest Region of the United States.

Field guides

• Kozloff, E.N. 1973. Seashore life of Puget Sound, the Strait of Georgia, and the San Juan Archipelago. Seattle, Washington, University of Washington Press, 282 p.
• Kozloff, E.N. 1974. Keys to the marine invertebrates of Puget Sound, the San Juan Archipelago, and adjacent regions. Seattle, Washington, University of Washington Press, 226 p.
• Kozloff, E.N. 1976. Plants and animals of the Pacific Northwest: an illustrated guide to the natural history of western Oregon, Washington, and British Columbia. Seattle, Washington, University of Washington Press, 264 p.
• Kozloff, E.N. 1993. Seashore life of the Pacific Northwest: an illustrated guide to northern California, Oregon, Washington, and British Columbia. 370 p.
• Kozloff, E.N. 1996. Marine Invertebrates of the Pacific Northwest with additions and corrections. Seattle, Washington, University of Washington Press, 552 p.
• Beidleman, L.H. & E.N. Kozloff. 2003. Plants of the San Francisco Bay Region: Mendocino to Monterey. Berkeley, California, University of California Press. 514 p.
• Kozloff, E.N. 2005. Plants of western Oregon, Washington & British Columbia. Portland, Oregon, Timber Press. 608 p.

Eponymous taxa

The following species have been named in honor of Dr. Kozloff.

• Acetabulastoma kozloffi Hart, 1971 - Ostracoda
• Collastoma kozloffi Westervelt, 1981 - Turbellaria
• Crebricoma kozloffi (Chatton & Lwoff, 1950) - Ciliophora
• Echinoderes kozloffi Higgins, 1977 - Kinorhyncha
• Genostoma kozloffi Hyra, 1993 - Turbellaria
• Gymnodinioides kozloffi Landers, 2004 - Ciliophora
• Myxobolus kozloffi Wyatt, 1979 - Cnidaria
• Tubificoides kozloffi Baker, 1983 - Oligochaeta
• Urceolaria kozloffi P.C. Bradbury, 1970 - Ciliophora

The following genera have been named in honor of Dr. Kozloff

• Kozloffia de Puytorac, 1968 - Ciliophora
• Kozloffiella Raabe, 1970 - Ciliophora