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but cross fertilisation takes place when an individual protrudes its long penis and inserts it into the operculum of an adjoining individual where eggs have already developed. Sperm is deposited there, and the fertilised eggs are brooded in the mantle cavity. On hatching, the larvae are expelled into
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protected by a hinged lid formed from two triangular halves each consisting of two plates, a tergum and a scutum. It can grow to a height of 2.5 cm (0.98 in) but most individuals are much smaller. This barnacle can be confused with the white bay barnacle
305:, Hawaii in 1929 and is now common in all the main islands. It is found, sometimes in great numbers, from low tide mark to depths of 37 m (121 ft) attached to hard surfaces including rocks,
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but the cyprid larvae do not feed. They search out sites for settlement, possibly following chemical cues from already established adults or testing the
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for suitability. Once settled, they cement themselves by their heads to the surface and undergo
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Ivory barnacles tend to aggregate with others and form dense populations. Each one is a
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and other man-made structures, ships' hulls and the roots of the red mangrove (
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barnacle with a white test composed of fused plates. It has a diamond-shaped
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the bottoms of ships and because its larvae are sometimes transported in
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over the course of one to two weeks. The nauplii feed on
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The native range of the ivory barnacle extends from
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252:The ivory barnacle is a medium-sized, cone-shaped
488:Identification Guide to Marine Organisms of Texas
273:) but that has vertical pink lines on the test.
461:. Bishop Museum and University of Hawaii. 2002
293:but it has extended this range as a result of
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432:. Smithsonian Marine Station at Fort Pierce
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928:Taxa named by Augustus Addison Gould
704:1DC9C378-04D7-4275-A14D-25A529B52A74
655:6C248032-0A49-07C5-122A-94FDD09EF235
459:Introduced Marine Species of Hawaii
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918:Crustaceans of the Atlantic Ocean
232:. It occurs on the east coast of
397:World Register of Marine Species
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923:Crustaceans described in 1841
301:water. It was first seen in
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364:into juvenile barnacles.
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50:Scientific classification
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344:. They pass through six
277:Distribution and habitat
218:American acorn barnacle
746:Amphibalanus eburneus
716:Amphibalanus eburneus
637:Paleobiology Database
424:Sweat, L. H. (2009).
387:Amphibalanus eburneus
209:Amphibalanus eburneus
169:Amphibalanus eburneus
27:Species of barnacle
270:Balanus amphitrite
264:Balanus improvisus
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859:Open Tree of Life
624:Open Tree of Life
501:Taxon identifiers
320:Rhizophora mangle
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463:. Retrieved
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455:Gould, 1841"
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400:. Retrieved
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350:cyprid stage
338:water column
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327:Reproduction
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303:Pearl Harbor
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138:Amphibalanus
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117:Balanomorpha
29:
872:SeaLifeBase
794:iNaturalist
740:Wikispecies
663:SeaLifeBase
572:iNaturalist
402:7 September
340:and become
283:Nova Scotia
248:Description
177:A. A. Gould
97:Thecostraca
907:Categories
465:2012-10-05
436:2012-10-04
368:References
342:planktonic
107:Cirripedia
103:Subclass:
87:Arthropoda
913:Barnacles
731:Q13366379
358:substrate
258:operculum
230:Balanidae
224:of acorn
145:Species:
127:Balanidae
73:Kingdom:
67:Eukaryota
812:11702787
725:Wikidata
590:10979602
524:Q2880553
518:Wikidata
348:and one
309:shells,
226:barnacle
186:Synonyms
123:Family:
83:Phylum:
77:Animalia
63:Domain:
864:1042705
786:5862470
699:ZooBank
678:4776745
629:1042705
564:2115699
315:jetties
311:pilings
307:mollusc
299:ballast
295:fouling
285:to the
254:sessile
222:species
220:, is a
179:, 1841)
133:Genus:
113:Order:
93:Class:
890:421138
851:421138
838:637417
799:122023
773:339613
760:211585
691:106216
675:uBio:
642:270232
603:112645
577:194044
236:, the
212:, the
885:WoRMS
877:93630
807:IRMNG
686:WoRMS
668:32262
650:Plazi
616:89621
585:IRMNG
551:26216
546:EUNIS
393:WoRMS
846:OBIS
833:NCBI
781:GBIF
755:BOLD
611:ITIS
559:GBIF
404:2022
336:the
289:and
240:and
820:NBN
768:EoL
598:ISC
533:ADW
323:).
216:or
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261:(
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
