''Stilla'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
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, 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 ...
s 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 ...
Raphitomidae
Raphitomidae is a family of small to medium-sized sea snails, marine gastropod mollusks in the superfamily Conoidea.Bouchet P. & Rocroi J.-P. (Ed.) (2005). "Classification and nomenclator of gastropod families". ''Malacologia'' 47(1-2). . 39 ...
.
Distribution
This genus occurs off
New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...
.
Species
Species within the genus ''Stilla'' include:
* ''
Stilla anomala''
Powell, 1955
* ''
Stilla delicatula''
Powell, 1927
* ''
Stilla fiordlandica''
Fleming C., 1948
* ''
Stilla flexicostata
''Stilla flexicostata'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell attains 2.25 mm, its diameter 1.25 mm.
(Original description) The minute, white, semi-transparent she ...
''
(Suter, 1899)
* ''
Stilla paucicostata''
Powell, 1937
References
* Bouchet P., Kantor Yu.I., Sysoev A. & Puillandre N. (2011) ''A new operational classification of the Conoidea.'' Journal of Molluscan Studies 77: 273-308.
External links
*
Worldwide Mollusc Species Data Base: Raphitomidae
Raphitomidae
Gastropod genera
{{Raphitomidae-stub