Mitromorphidae is a

monophyletic In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gro ...

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 ...

of small to medium-sized

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 ...

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 ...

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 superfamily

Conoidea Conoidea is a superfamily of predatory sea snails, marine gastropod mollusks within the suborder Hypsogastropoda. This superfamily is a very large group of marine mollusks, estimated at about 340 recent valid genera and subgenera, and considered ...

.Bouchet, P. (2011). Mitromorphidae Casey, 1904. In: MolluscaBase (2018). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=153871 on 2018-02-05Bouchet P. & Rocroi J. P. (Ed.) (2005). "Classification and nomenclator of gastropod families". '' Malacologia'' 47(1–2). . 397 pp. Bouchet, Kantor ''et al''. elevated in 2011 the subfamily Mitromorphinae (which at that point had been placed in the family

Conidae Conidae, with the current common name of "cone snails", is a taxonomic family (previously subfamily) of predatory sea snails, marine gastropod molluscs in the superfamily Conoidea. The 2014 classification of the superfamily Conoidea, groups onl ...

) to the rank of family. This was based on a

cladistical Cladistics (; ) is an approach to biological classification in which organisms are categorized in groups (" clades") based on hypotheses of most recent common ancestry. The evidence for hypothesized relationships is typically shared derived cha ...

analysis of shell

morphology Morphology, from the Greek and meaning "study of shape", may refer to: Disciplines *Morphology (archaeology), study of the shapes or forms of artifacts *Morphology (astronomy), study of the shape of astronomical objects such as nebulae, galaxies, ...

, radular characteristics, anatomical characters, and a dataset of molecular sequences of three

gene In biology, the word gene (from , ; "...Wilhelm Johannsen coined the word gene to describe the Mendelian units of heredity..." meaning ''generation'' or ''birth'' or ''gender'') can have several different meanings. The Mendelian gene is a ba ...

fragments.

Description

The Mitromorphidae have small to medium-sized shells with a high biconic mitriform shape, a paucispiral or multispiral

protoconch A protoconch (meaning first or earliest or original shell) is an embryonic or larval shell which occurs in some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod. In older texts it is also called ...

up to 4.5 whorls, a short or indistinct siphonal canal, narrow aperture with up to 3 columellar pleats, indistinct anal sinus on a weakly pronounced subsutural ramp, fairly smooth surface with spiral sculptural elements. There is no operculum, and the

radula The radula (, ; plural radulae or radulas) is an anatomical structure used by molluscs for feeding, sometimes compared to a tongue. It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food ...

is relatively short, hypodermic in character with awl-shaped teeth, a swollen solid basal region, and may have a weak barb at the terminal end of the radular tooth.

Genera

This is a list of the accepted names of genera in the family Mitromorphidae (the main reference for recent species is the

World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms. Content The content of the registry is edited and maintained by scientific specialist ...

). WoRMS : Mitromorphidae
/ref> * '' Anarithma'' Iredale, 1916 * '' Arielia'' Shasky, 1961 * '' Cymakra'' Gardner, 1937 * † '' Itia'' Marwick, 1931 * '' Lovellona'' Iredale, 1917 * '' Maorimorpha'' Powell, 1939 * † '' Mitrellatoma'' Powell, 1942 * ''

Mitromorpha ''Miltromorpha'' is a genus of sea snails, marine gastropod mollusks in the family Mitromorphidae, in the superfamily Conoidea the cone snails and their allies.MolluscaBase (2018). Mitromorpha Carpenter, 1865. Accessed through: World Registe ...

'' Carpenter, 1865 * '' Scrinium'' Hedley, 1922 ;Genera brought into synonymy * ''Ariella'' Shasky, 1961: synonym of '' Arielia'' Shasky, 1961 * ''Citharopsis'' Pease, 1868: synonym of '' Anarithma'' Iredale, 1916 * † ''Clinomitra'' Bellardi, 1889 : synonym of ''

'' Carpenter, 1865 * † ''Diptychomitra'' Bellardi, 1889 : synonym of ''

'' Carpenter, 1865 * ''Helenella'' Casey, 1904: synonym of ''

'' Carpenter, 1865 * ''Mitramorpha'' : synonym of ''

'' Carpenter, 1865 (variant spelling) * ''Mitrithara'' Hedley, 1922: synonym of ''

'' Carpenter, 1865 * ''Mitrolumna'' Bucquoy, Dautzenberg & Dollfus, 1883: synonym of ''

'' Carpenter, 1865 * ''Vexiariella'' Shuto, 1983: synonym of '' Arielia'' Shasky, 1961

References

*Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . XII, 195 pp

External links

Casey T.L. (1904) ''Notes on the Pleurotomidae with description of some new genera and species.'' Transactions of the Academy of Science of St. Louis, 14, 123–170
*

{{Taxonbar, from=Q6882930