''Bullata guerrinii'' is a
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 ...
Marginellidae, the margin snails.
Description
The size of the shell varies between 20 mm and 37 mm. The shell shows distinct cream spots against a caramel or dark brown background. There are faint upward spiraling bands on the shell. The
lip has a moderate thickness. The long
aperture
In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane.
An opt ...
is about as broad as the thickness of the lip.
Distribution
This species occurs in the Atlantic Ocean off Eastern
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
.
References
External links
de Souza P.J.S. & Coovert J.A. (2001). ''Revision of the Recent Bullata Jousseaume, 1875 (Gastropoda: Marginellidae) with the description of two new species''. The Nautilus 115(1): 1-14*
Marginellidae
Gastropods described in 2001
{{Marginellidae-stub