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Paraconcavus pacificus

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Red-striped acorn barnacle
Paraconcavus pacificus, red-striped acorn barnacle, California
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Thecostraca
Subclass: Cirripedia
Order: Balanomorpha
Family: Balanidae
Genus: Paraconcavus
Species:
P. pacificus
Binomial name
Paraconcavus pacificus
(Pilsbry, 1916)[1]: 483 

Paraconcavus pacificus, the red-striped acorn barnacle,[2] is a species of balanid barnacle known from subtidal sandy habitats of the outer northeastern Pacific coast, from Baja California north to Monterey Bay.[3] It grows to 35 mm in diameter, with pink longitudinal stripes over white plates, and can be distinguished from other large, pink-striped barnacles in its range (e.g. Amphibalanus amphitrite) by the longitudinal striations across the growth rings of its plates.[3] While it will attach to many different kinds of hard substrate, it shows a preference for attaching to the shells of other organisms, particularly sand dollars.[3]

References

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  1. ^ Newman, William A. (2007). "Cirripedia". In Carlton, James T. (ed.). The Light and Smith Manual: Intertidal Invertebrates from Central California to Oregon (4th ed.). Berkeley: University of California Press. pp. 475–484. ISBN 978-0-520-23939-5.
  2. ^ Sept, J. Duane (2002). The Beachcomber's Guide to Seashore Life of California (1st ed.). Madeira Park, BC, Canada: Harbour Publishing. p. 164. ISBN 1-550172514.
  3. ^ a b c Morris, Robert H.; Abbott, Donald P.; Haderlie, Eugene C. (1980). Intertidal Invertebrates of California (1st ed.). Stanford, California: Stanford University Press. ISBN 0-80471045-7. OCLC 7043400.