''Cellana nigrolineata'' is a
species 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 ...
s or
limpet
Limpets are a group of aquatic snails that exhibit a conical shell shape (patelliform) and a strong, muscular foot. Limpets are members of the class Gastropoda, but are polyphyletic, meaning the various groups called "limpets" descended indep ...
s,
marine
Marine is an adjective meaning of or pertaining to the sea or ocean.
Marine or marines may refer to:
Ocean
* Maritime (disambiguation)
* Marine art
* Marine biology
* Marine debris
* Marine habitats
* Marine life
* Marine pollution
Military
* ...
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 ...
mollusc
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 esti ...
s in the
family Nacellidae, one of the families of true limpets.
This species of limpet lives on rocky shore in the
intertidal zone. It occurs mainly along the northwestern coasts of the
Pacific Ocean.
Shell description
The typical size varies from 3 to 7 cm. The conical shells are almost flat and almost circular. The shell often has almost regular shell patterning of dark lines, similar in appearance to the mesh of the
Polar coordinate system.
References
* Powell A.W.B. (1973). ''The patellid limpets of the world (Patellidae)''. Indo-Pacific Mollusca, 3(15):75-206
File:Cellana nigrolineata 002.jpg, apical view
File:Cellana nigrolineata 001.jpg, ventral view
Nacellidae
Gastropods described in 1854
{{Nacellidae-stub