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Article Title

First Fossil Record of the Pteropod Limacina from the Pacific Coast of North America

Volume

98

Issue

2

First Page

80

Last Page

89

Abstract

Pteropods from upper Eocene to lower Miocene deep-marine rocks in western Washington represent the first fossil record of genus Limacina from the Pacific coast of North America and the northernmost fossil occurrence in North America for this genus. Two species were found. Both occur in concretions in siltstone, and one was also found in limestone formed by chemosynthetic pro- cesses. Both species closely resemble other late Eocene to early Miocene Lima- cina spp. from Europe, Australia, and New Zealand, but poor preservation of the Washington specimens prevents their identification to the species level.