Key:  Order Pennatulacea

Taken primarily from  Kozloff, 1987, 1996 p. 70 (Copyright 1987, 1996, University of Washington Press.  Used in this web page by permission of University of Washington Press)

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1a	Rachis and branches fleshy, pale to vivid orange (picture)	Ptilosarcus gurneyi
1b	Rachis and branches slender, not especially fleshy, white or almost white	2
2a	Rachis smooth to the touch, without projecting calcareous spicules	Virgularia spp.
2b	Rachis rough to the touch, owing to projecting calcareous spicules	Stylatula elongata