Alternate Title

Notes on Barnacles (Cirripedia: Thoracica) from the Gulf of Mexico

Document Type



Examination of several collections of barnacles from the northern and western Gulf of Mexico made over the last 30 years has improved our knowledge of the distributions of several taxa previously considered to be absent or rare in those regions. Conchoderma auritum (Linnaeus) and Heteralepas sp. aff. cornuta (Darwin) are recorded for the first time from the Gulf of Mexico. Conchoderma auritum, Conchoderma virgatum (Spengler), Heteralepas cornuta (Darwin), Balanus trigonus (Darwin), Balanus venustus Darwin, and Balanus amphitrite amphitrite Darwin have broad distributions outside the Gulf of Mexico. Tetraclita stalactifera stalactifera (Lamarck) is abundant in the intertidal zones of the southwestern Gulf, but rare elsewhere in the Gulf of Mexico outside the Florida Keys. Spatial segregation of Octolasmis hoeki (Stebbing) and Octolasmis lowei (Darwin) on a host crab is discussed.

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