Arcoscalpellum hoek and Solidobalanus hoek (Cirripedia, Thoracica) from the paleogene of Pacific County, Washington, with a description of a new species of Arcoscalpellum
Arcoscalpellum hoek and Solidobalanus hoek (Cirripedia, Thoracica) from the paleogene of Pacific County, Washington, with a description of a new species of Arcoscalpellum(English)