@book {251,
	title = {Illustrated Catalogue of the Museum of Comparative Zoology at Harvard College. No. II. North American Acalephae},
	series = {Illustrated Catalogue of the Museum of Comparative Zoology at Harvard College},
	volume = {2},
	year = {1865},
	pages = {1-xiv, 1-234. Staurozoa on pp. 61-64.},
	publisher = {Sever and Francis [University Press]},
	organization = {Sever and Francis [University Press]},
	address = {Cambridge [Mass.]},
	url = {http://openlibrary.org/books/OL23321902M/North_American_Acalephae.},
	author = {Alexander Agassiz}
}
@book {56,
	title = {Seashore Life of the Northern Pacific Coast: An Illustrated Guide to Northern California, Oregon, Washington, and British Columbia},
	year = {1983},
	pages = {370 pages},
	publisher = {University of Washington Press},
	organization = {University of Washington Press},
	edition = {Revised from 1973},
	address = {Seattle},
	issn = {0-295-96030-2},
	author = {Eugene N Kozloff}
}
@book {60,
	title = {Marine Life of the Pacific Northwest: A Photographic Encyclopedia of Invertebrates, Seaweeds and Selected Fishes},
	year = {2005},
	pages = {398 pages},
	publisher = {Harbour Publishing},
	organization = {Harbour Publishing},
	address = {Madeira Park, British Columbia},
	issn = {1-55017-361-8},
	author = {Lamb, Andy and Hanby, Bernard P.}
}
