acorn barnacle

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acorn barnacle

n.
Any of various barnacles having a conical shell that is directly attached to rocks or other hard surfaces.

[From the resemblance of the barnacle in its shell to an acorn in its cupule .]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

acorn barnacle

or

acorn shell

n
(Animals) any of various barnacles, such as Balanus balanoides, that live attached to rocks and have a volcano-shaped shell from the top of which protrude feathery food-catching appendages (cirri)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acorn barnacle - barnacle that attaches to rocks especially in intertidal zonesacorn barnacle - barnacle that attaches to rocks especially in intertidal zones
barnacle, cirriped, cirripede - marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces
Balanus, genus Balanus - type genus of the family Balanidae
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
balane
References in periodicals archive ?
Scanning electron microscopy of cypris larvae of Balamis amphitrite (Cirripedia: Thoracica: Balanomorpha).
Los epibiontes recolectados correspondieron a crustaceos cirripedios (Cirripedia), determinandose las especies Coronula diadema Linnaeus, 1767 (Balanomorpha) y Conchoderma auritum Linneaeus, 1758 (Lepadomorpha).
Barnacles (Cirripedia Balanomorpha) of the estuarine region of Recife, Pernambuco, Brazil.
Patterns of speciation inferred from mitochondrial DNA in North American Chthamalus (Cirripedia: Balanomorpha: Chthamaloidea).
(21.) Pitombo, FB, "Phylogenetic Analysis of the Balanidae (Cirripedia, Balanomorpha)." Zool.
The recent species of Megabalanus (Cirripedia: Balanomorpha) with special emphasis on Balanus tintinnabulum (Linnaeus) sensu lato.