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Survey of sites for the presence of the nonindigenous benthic foraminifera Trochammina hadai along the west coast of North America from 1930 to 2024 (ver. 2.0, May 2025)

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2025-05-07T00:00:00Z
Results of a survey of samples collected from 1930 to 2024 along the west coast of the United States from Alaska to San Diego, California as well as Honolulu, Hawaii for the presence of the Asian nonindigenous benthic foraminifera Trochammina hadai.

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