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Helicarionidae

(Family)

Overview

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Helicarionidae is a of air-breathing land snails or semi-slugs, terrestrial pulmonate gastropod mollusks in the order Stylommatophora.1]

Species of snails within this family make and use love darts made of chitin.

Taxonomy

The Helicarionidae family is classified within the "Limacoid clade", itself belonging to the clade Stylommatophora within the clade Eupulmonata (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

The family Helicarionidae consists of the following subfamilies:

Genera

For genera see Category:Helicarionidae

Photos

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Taxonomy

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The Family Helicarionidae is a member of the Superfamily Helicarionoidea. Here is the complete "parentage" of Helicarionidae:

The Family Helicarionidae is further organized into finer groupings including:

Genera

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Advena

The nuclear weapons production facility, having been transferred in 1979 from the Pelindaba nuclear research center to the state-owned Armaments Corporation of South Africa (Armscor), was later developed as the Kentron Circle facility. This facility, built in 1980, and located 20km west of Pretoria, was subsequently renamed Advena. [more]

Allenoconcha

[more]

Amphiblema

[more]

Atrichotoxon

Atrichotoxon is a genus of in the Helicarionidae family. It contains the following species: [more]

Belloconcha

[more]

Caldwellia

Caldwellia is a genus of in the Euconulidae family. It contains the following species: [more]

Caracolla

[more]

Coneuplecta

[more]

Cryptaustenia

[more]

Ctenoglypta

Ctenoglypta is a genus of in the Euconulidae family. It contains the following species: [more]

Ctenophila

Ctenophila is a genus of in the Euconulidae family. It contains the following species: [more]

Dendrolamellaria

[more]

Dendrotrochus

Dendrotrochus is a genus of in the Euconulidae family. It contains the following species: [more]

Diastole

Diastole is the period of time when the heart fills with blood after (contraction). Ventricular diastole is the period during which the ventricles are relaxing, while atrial diastole is the period during which the atria are relaxing. The term diastole originates from the Greek word d?ast???, meaning dilation. [more]

Dryachloa

[more]

Echonitor

[more]

Eclipsena

[more]

Elisolimax

Elisolimax is a genus of in the Helicarionidae family. It contains the following species: [more]

Erepta

Erepta is a genus of in the Helicarionidae family. It contains the following species: [more]

Euconulus

[more]

Eungarion

[more]

Fanulena

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Fastosarion

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Fretum

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Greenwoodoconcha

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Gudeoconcha

[more]

Harmogenanina

Harmogenanina is a genus of in the Helicarionidae family. It contains the following species: [more]

Helicarion

Helicarion is a genus of in the Helicarionidae family. It contains the following species: [more]

Helicarionidae

[more]

Hemiglypta

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Hemitrichiella

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Innesoconcha

[more]

Inozonites

[more]

Iredaleoconcha

Iredaleoconcha is a genus of in the Helicarionidae family. It contains the following species: [more]

Kaliella

Kaliella is a genus of in the Helicarionidae family. It contains the following species: [more]

Lepidotrichia

Lepidotrichia are bony, bilaterally-paired, segmented fin rays found in . They develop around actinotrichia as part of the dermal exoskeleton. Lepidotrichia may have some cartilage or bone in them as well. They are actually segmented and appear as a series of disks stacked one on top of another. [more]

Leptichnus

Leptichnus is a genus of in the Helicarionidae family. It contains the following species: [more]

Liardetia

Liardetia is a genus of in the Euconulidae family. It contains the following species: [more]

Lutilodix

Lutilodix is a genus of in the Helicarionidae family. It contains the following species: [more]

Macroceras

[more]

Malandena

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Medyla

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Megaustenia

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Melloconcha

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Melocystis

[more]

Microcystis

A Genus in the Kingdom Animalia. [more]

Microsystis

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Mysticarion

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Nancibella

Nancibella is a genus of in the Helicarionidae family. It contains the following species: [more]

Nanina

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Naninia

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Nesaecia

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Nesonanina

[more]

Nitor

[more]

Oleacina

Oleacina is a genus of in the Oleacinidae family. It contains the following species: [more]

Ovachlamys

[more]

Pachystyla

Pachystyla is a genus of in the Euconulidae family. It contains the following species: [more]

Panulena

Panulena is a genus of in the Helicarionidae family. It contains the following species: [more]

Parmacochlea

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Parmavitrina

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Parmellops

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Parvatella

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Peloparion

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Periclocystis

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Petalochlamys

[more]

Philonesia

Philonesia is a genus of in the Helicarionidae family. It contains the following species: [more]

Pittoconcha

Pittoconcha is a genus of in the Helicarionidae family. It contains the following species: [more]

Pravonitor

[more]

Quantula

[more]

Quintalia

Quintalia is a genus of in the Helicarionidae family. It contains the following species: [more]

Rotula

Shrubs. Stems numerous, prostrate or wandlike, glabrous or sericeous; branches thin, straight. Leaves alternate, fascicled at nodes, short petiolate or sessile, entire or inconspicuously dentate. Cymes terminal, sparse, small. Calyx 5-lobed; lobes overlapping in bud, lanceolate. Corolla purple-red or pink, subcampanulate, 5-lobed; tube short; lobes spreading, overlapping in bud, oblong to orbicular. Stamens included or exserted; filaments glabrous; anthers oblong. Ovary ovoid or oblong, 4-loculed; ovules 1 per locule. Style terminal, undivided; stigma enlarged, somewhat 2-cleft, subpeltate. Drupes red, endocarp well developed, dividing into 4 1-seeded pyrenes. Seeds oblong, without endosperm.[1] [more]

Roybellia

[more]

Ryssota

Ryssota is a genus of in the Euconulidae family. It contains the following species: [more]

Sitala

Sitala, Sitala Devi or (Tamil) is the Goddess of Smallpox or the Goddess of Disease in popular or non-Vedic Hinduism. She is also generically referred to as the Village Goddess (Skt. Gramadevata). [more]

Sivella

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Thalassia

Plants perennial, of marine waters. Rhizomes present; leaf-bearing branches arising from rhizomes at distances of several internodes; stolons absent. Erect stems rooted in substrate, unbranched, short. Leaves 2--6, basal, submersed, sessile; blade linear, base tapering to stem; apex obtuse; midvein without lacunae along side(s), blade uniform in color throughout; abaxial surfacely without prickles; intravaginal scales entire. Inflorescences 1-flowered to cymose, pedunculate; spathes not winged. Flowers unisexual, staminate and pistillate on different plants, submersed, short-pedicellate to nearly sessile; petals absent. Staminate flowers: filaments distinct; anthers linear; pollen embedded in gelatinous matrix, in moniliform chains. Pistillate flowers: ovary 1-locular; styles 6--8, not 2-fid. Fruits spheric, echinate, dehiscing into 6--8 irregular valves. Seeds pyriform; seed coat ephemeral.[2] [more]

Thapsia

Thapsia is a genus of in the Helicarionidae family. It contains the following species: [more]

Tribocystis

[more]

Trochozonites

Trochozonites is a genus of in the Helicarionidae family. It contains the following species: [more]

Zaphysema

[more]

At least 11 species and subspecies belong to the Genus Zaphysema.

More info about the Genus Zaphysema may be found here.

References

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  1. ^ Bouchet, P. & Rocroi, J.-P. (2005). "Classification and Nomenclator of Gastropod Families". Malacologia 47 (1-2): 1–397. 

Bibliography

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Footnotes

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  1. "Rotula". in Flora of China Vol. 16 Page 337. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.
  2. "Thalassia". in Flora of North America Vol. 22. Oxford University Press. Online at EFloras.org.

Sources

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Last Revised: November 19, 2008