Two New Species of Deep-Water Corallimorpharia (Cnidaria: Anthozoa) from the Northeast Pacific, Corallimorphus denhartogi and C. pilatus
Two New Species of Deep-Water Corallimorpharia (Cnidaria: Anthozoa) from the Northeast Pacific, Corallimorphus denhartogi and C. pilatus
Date
2002-04
Authors
Fautin, Daphne G.
White, Tracy R.
Pearson, Katherine E.
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University of Hawai'i Press
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Abstract
Corallimorpharia is currently considered an order of hexacorallian
anthozoans. Being skeletonless, its members are sometimes referred to as sea
anemones, but they are morphologically more similar to members of Scleractinia
than to members of Actiniaria. We describe two new species of corallimorpharians
from deep water off the west coast of North America as Corallimorphus
denhartogi, n. sp. and Corallimorphus pilatus, n. sp. The former occurs at depths
of 2550-4300 m from Oregon to Baja California, and the latter at depths of
198-900 m from British Columbia to southernmost California. The average size
of individuals of C. denhartogi is greater than that of C. pilatus, and tentacles of
the latter are more densely arrayed and relatively longer than those of the
former. The distribution and sizes of their cnidae distinguish them from one
another as well as from their four congeners, which are widely distributed in the
world's oceans. In the collections we examined, specimens of C. denhartogi are
more common than those of C. pilatus.
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Fautin DG, White TR, Pearson KE. 2002. Two new species of deep-water Corallimorpharia (Cnidaria: Anthozoa) from the northeast Pacific, Corallimorphus denhartogi and C. pilatus. Pac Sci 56(2): 113-124.
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