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Date: | Tue, 19 Oct 2004 09:32:52 -0700 |
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I'm currently working on paleoecologic reconstructions of several
collections/sites from the San Pedro area, southern California, and I'm
having trouble finding depth range data for several mollusks. If anyone
can help I would appreciate it. The species are:
Bivalvia
Penitella conradi Valenciennes (no depth data in Kennedy, 1974)
Gastropoda
Amphissa columbiana Dall
Boreotrophon multicostatus (Eschscholtz)
Crucibulum spinosum (Sowerby)
Cylichna alba
Cytharella branneri Arnold
Lottia conus (Test)
Mangelia hexagona Gabb
Tegula aureotincta (Forbes)
Terebra pedroana Dall
Thanks,
Chuck
Charles L Powell, II
Western Earth Surface Processes Team, MS 975
U. S. Geological Survey
345 Middlefield Rd.
Menlo Park, CA 94025
[log in to unmask]
(650) 329-4985
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