Perrona lineata
Encyclopedia
Perrona lineata, common name the wayvy-line turrid, is a species
of sea snail
, a marine gastropod mollusk in the family
Clavatulidae
.
more or less constricted above. The spire
is sometimes very short, and sometimes long. The color of the shell is whitish or yellowish brown, thickly flexuously longitudinally lineated with chestnut or chocolate.
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of sea snail
Sea snail
Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....
, a marine gastropod mollusk in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Clavatulidae
Clavatulidae
Clavatulidae is a taxonomic family of sea snails, marine gastropod mollusks in the superfamily Conoidea.The family is not well differentiated morphologically....
.
Description
The size of an adult shell varies between 20 mm and 45 mm. The shell is smooth with a body whorlBody whorl
Body whorl is part of the morphology of a coiled gastropod mollusk.- In gastropods :In gastropods, the body whorl, or last whorl, is the most recently-formed and largest whorl of a spiral or helical shell, terminating in the aperture...
more or less constricted above. The spire
Spire (mollusc)
A spire is a descriptive term for part of the coiled shell of mollusks. The word is a convenient aid in describing shells, but it does not refer to a very precise part of shell anatomy: the spire consists of all of the whorls except for the body whorl...
is sometimes very short, and sometimes long. The color of the shell is whitish or yellowish brown, thickly flexuously longitudinally lineated with chestnut or chocolate.