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''Haliotis jacnensis'', common name Jacna abalone, is a
H.A. Pilsbry (1890) Manual of Conchology XII; Academy of Natural Sciences, Philadelphia, 1890
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species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of sea snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
, a marine gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...
in the family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
Haliotidae
''Haliotis'', common name abalone, is the only genus in the family Haliotidae.
This genus once contained six subgenera. These subgenera have become alternate representations of ''Haliotis''. The genus consists of small to very large, edible, h ...
, the abalone
Abalone ( or ; via Spanish , from Rumsen ''aulón'') is a common name for any of a group of small to very large marine gastropod molluscs in the family (biology), family Haliotidae. Other common name
In biology, a common name of a taxon o ...
s.
Description
The shell size varies between 7 mm and 25 mm. The oblong-ovate shell is spirally peculiarly rudely ridged. The ridges are very irregular and rather scaly, somewhat smooth next the perforations which are slightly tubiferous and distant. The coloration is reddish-orange. The interior surface is silvery. This is a very characteristic species, to which there is little or no approximation in any other./ref>
Subspecies
* ''Haliotis jacnensis jacnensis'' Reeve, 1846 * ''Haliotis jacnensis kershawi'' Owen, 2012Distribution
This species is distributed in the Western Pacific Ocean.References
* Geiger D.L. & Poppe G.T. (2000). ''A Conchological Iconography: The family Haliotidae''. Conchbooks, Hackenheim Germany. 135pp 83pls. * Geiger D.L. & Owen B. (2012) ''Abalone: Worldwide Haliotidae''. Hackenheim: Conchbooks. viii + 361 pp.9 February 2012
9 (nine) is the natural number following and preceding .
Evolution of the Arabic digit
In the beginning, various Indians wrote a digit 9 similar in shape to the modern closing question mark without the bottom dot. The Kshatrapa, Andhra and ...
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External links
* {{Taxonbar, from=Q3704667 jacnensis Molluscs of the Pacific Ocean Gastropods described in 1846 Taxa named by Lovell Augustus Reeve