Hydrobiidae
| Hydrobiidae | |
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| A live but retracted individual of the New Zealand mud snail, Potamopyrgus antipodarum | |
| Scientific classification | |
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Hydrobiidae
Stimpson, 1865
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| Subfamilies | |
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See text |
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| Diversity[1] | |
| About 1250 freshwater species and some marine | |
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Hydrobiidae, common name mud snails, is a large cosmopolitan taxonomic family of very small freshwater snails and brackish water snails that have an operculum, aquatic gastropod mollusks in the clade Littorinimorpha.
Contents
Distribution
There are over 260 species of Hydrobiidae living in Australia.[2]
Description
These are very small or minute snails, with a shell height of less than 8 mm. The dextrally-coiled shells are smooth (except for growth lines conforming to the shape of the outer lip) and are usually rather nondescript. The shell offers very few robust characteristics to the systematist who is attempting to classify the species within this family. This difficulty is compounded by a high degree of intraspecific variation. Descriptions often have to be based on the characteristics of the operculum, radula and penis.
The shell of species within this family varies from planispiral to needle-shaped. The shell may have an open umbilicus or a plugged umbilicus. The thickness of the shell can vary from thin to fairly solid. The shell may be transparent and horn-colored, or colorless.
The number of whorls in the shell varies between two and eight. The shell can sometimes even assume a corkscrew or hornlike shape by loosening of the attachment of body whorl. The periostracum (outer layer of the shell) is usually thin, and is often colored. It can sometimes show hair-like projections.
The sinuous aperture is entire, not interrupted by a siphonal canal or other extensions. It is sometimes thickened. The protoconch is usually shaped like a dome, and usually shows a few spirals.
The corneous operculum is usually well-formed and shows only a few spirals.
The head, foot, mantle and visceral coil are colored pale gray to dark purple-black with melanin pigments. Subterranean species are often unpigmented.
The strong foot can be retracted into the shell. The mucous glands are situated at the anterior edge of the foot. There are no posterior mucous glands. The symmetrical cephalic tentacles are threadlike, with blunt or rounded tips. The eyes are located at the base of the tentacles.
The ctenidium (a comblike respiratory apparatus) goes along most of the length of the pallial cavity. This respiratory gill consists of 10 to 200 triangular filaments. The osphradium, the olfactory organ linked with the respiration organ, is usually relatively small.
The taenioglossate radula consists of more than fifty rows of teeth. The central tooth is trapezoidal. The lateral teeth have few to numerous cusps. The marginal teeth are usually with numerous cusps.
The species usually have both male and female individuals, but very rarely reproduction may be parthenogenic, caused by internal fertilization. The females lay eggs in single capsules on the leaves or stems of water plants. But sometimes they produce eggs that are hatched within the pallial gonoduct of the body, and in these cases the young are born alive. Species that inhabit estuaries sometimes produce veliger larvae.
The fossil record of this family extends back to the Early Carboniferous.[3]
Ecology
Habitat
Most species of this family live in freshwater (lakes, ponds, rivers, streams), but some are found in brackish water or at the borders between freshwater and brackish water. A few occur in marine environments on sandy or muddy bottoms between algae and sea grass.
Feeding habits
These small snails feed on algae, diatoms and detritus.
Taxonomy
This is the largest family within the superfamily Truncatelloidea. At one time or another some 400 genera have been assigned to this family, and probably more than 1,000 species.[3] This family was originally named by Troschel in 1857, as the group Hydrobiae. Troschel was not certain of their rank, and he placed them in the Taenioglossata: Ctenobranchiata between the Lithoglyphi and Ancyloti.[3] Over the years there have been numerous attempts to give an adequate and more finely divided classification. Thiele (1925, 1929 and 1931) set up the most comprehensive classification, with a review of the family at generic level.
Notable works about taxonomy of Hydrobiidae includes works by Radoman, for example Radoman (1983).[4]
The classification, as specified by Kabat and Hershler (1993),[3] does not form a monophyletic group, and was in need of revision.
A study by Wilke et al. (2001)[5] using molecular data from COI (Cytochrome c oxidase subunit I) and 18S genes has resulted in a new tentative set of subfamilies: Hydrobiinae, Pseudamnicolinae, Nymphophilinae, Islamiinae and Horatiinae.
2005 taxonomy
The following subfamilies are recognized in the gastropod taxonomy of Bouchet & Rocroi from 2005:[6]
- Hydrobiinae Stimpson, 1865 - synonyms: Paludestrinidae Newton, 1891; Pyrgorientaliinae Radoman, 1977; Pseudocaspiidae Sitnikova & Starobogatov, 1983
- Belgrandiinae de Stefani, 1877 - synonyms: Horatiini D. W. Taylor, 1966; Sadlerianinae Radoman, 1973; Pseudohoratiinae Radoman, 1973; Orientaliidae Radoman, 1973 (inv.); Lithoglyphulidae Radoman, 1973; Orientalinidae Radoman, 1978 (inv.); Belgrandiellinae Radoman, 1983; Dabrianidae Starobogatov, 1983; Istrianidae Starobogatov, 1983; Kireliinae Starobogatov, 1983; lanzaiidae Starobogatov, 1983; Tanousiidae Starobogatov, 1983; Bucharamnicolinae Izzatulaev, Sitnikova & Starobogatov, 1985; Martensamnicolinae Izzatulaev, Sitnikova & Starobogatov, 1985; Turkmenamnicolinae Izzatulaev, Sitnikova & Starobogatov, 1985
- Clenchiellinae D. W. Taylor, 1966[7]
- Islamiinae Radoman, 1973
- Nymphophilinae D. W. Taylor, 1966[7]
- Pseudamnicolinae Radoman, 1977
- Pyrgulinae Brusina, 1882 (1869)[8] - synonyms: Caspiidae B. Dybowski, 1913; Microliopalaeinae B. Dybowski & Grochmalicki, 1914; Micromelaniidae B. Dybowski & Grochmalicki, 1914; Turricaspiinae B. Dybowski & Grochmalicki, 1915; Liosarmatinae B. Dybowski & Grochmalicki, 1920; Chilopyrgulinae Radoman, 1973; Micropyrgulidae Radoman, 1973; Falsipyrgulinae Radoman, 1983; Ohridopyrgulinae Radoman, 1983; Prosostheniinae Pana, 1989
- Tateinae Thiele, 1925[9] - synonyms: Potamopyrgidae F. C. Baker, 1928; Hemistomiinae Thiele, 1929
The Amnicolidae and Cochliopidae are considered as distinct families according to the taxonomy of Bouchet & Rocroi (2005).[6]
Genera
Genera in the family Hydrobiidae include:
Hydrobiinae
- Falniowskia Bernasconi, 1991[10]
- Hydrobia Hartmann, 1821 - the type genus of the family Hydrobiidae[6][10]
- Mercuria Boeters, 1971[10] - in Nymphophilinae by Herschler et al. (2003)[11][clarification needed]
- Peringia Paladilhe, 1874
- † Romania Cossmann, 1913
- Tournouerina Schlickum, 1971[10]
Belgrandiinae
- Alzoniella Giusti & Bodon, 1984[10]
- Avenionia Nicolas, 1882[10]
- † Belchatovia Kadolsky & Piechocki, 2000
- Belgrandia Bourguignat, 1869[10] - type genus in the subfamily Belgrandiinae[6]
- Belgrandiella A. J. Wagner, 1928[10]
- Bythiospeum Bourguignat, 1882[10]
- Cyclothyrella Neubauer, Mandic, Harzhauser & Hrvatović, 2013 †
- Dabriana Radoman, 1974 - with the only species Dabriana bosniaca Radoman, 1974[3]
- Graziana Radoman, 1975[10]
- Hauffenia Pollonera, 1898[10]
- Iglica A. J. Wagner, 1928[10]
- † Martinietta Schlickum, 1974
- † Microprososthenia Kadolsky & Piechocki, 2000
- Sadleriana Clessin, 1890[10]
Clenchiellinae
- Clenchiella Abbott, 1948 - type genus of the subfamily Clenchiellinae[6]
Islamiinae
Nymphophilinae
- Cincinnatia Pilsbry, 1891[6][11][12]
- Floridobia F. G. Thompson & R. Hershler, 2002[11]
- Marstonia Baker, 1926[11]
- Notogillia Pilsbry, 1953[6][11][12]
- Nymphophilus D. W. Taylor, 1966[11] - type genus of the subfamily Nymphophilinae[6]
- Pyrgulopsis Call & Pilsbry, 1886[11]
- Rhapinema F. G. Thompson, 1970[11]
- Spilochlamys F. G. Thompson, 1968[11]
- Stiobia F. G. Thompson & McCaleb, 1978[11]
Pseudamnicolinae
- † Graecamnicola Willmann, 1981
- Pseudamnicola Paulucci, 1878 - type genus in the subfamily Pseudamnicolinae[6]
Pyrgulinae
- Caspia W. Dybowski, 1888[6]
- Chilopyrgula Brusina, 1896[6]
- Dianella Gude, 1913[13]
- Falsipyrgula Radoman, 1973[6]
- Liosarmata B. Dybowski & Grochmalicki, 1914[6] - synonym: Microliopalaeina B. Dybowski & Grochmalicki, 1914[6]
- † Maeotidia Andrusov, 1890
- † Marticia Brusina, 1897
- Micromelania Brusina, 1874[6]
- Micropyrgula Polinski, 1929[6]
- Ohridopyrgula Radoman, 1983[6]
- † Prososthenia Neumayr, 1869[6]
- † Pseudodianella Neubauer, Mandic, Harzhauser & Hrvatović, 2013
- Pyrgula de Cristofori & Jan, 1832 - type genus in the subfamily Pyrgulinae[6]
- Turricaspia B. Dybowski & Grochmalicki, 1915[6]
Tateinae[note 1]
- Austropyrgus Cotton, 1942 - which now includes species that were previously grouped under Angrobia Iredale, 1943 and Fluvidona Iredale, 1937[15][16]
- Beddomeia Petterd, 1889[14]
- Edgbastonia Ponder, 2008[17]
- Fluvidona Iredale, 1937[16]
- Posticobia Iredale, 1943[18]
- Westrapyrgus Ponder, Clark & Miller, 1999[16]
subfamily uncertain
- Phrantela Iredale, 1943[11]
- Probythinella Thiele, 1928[11]
subfamily ?
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- Agrafia Szarowska & Falniowski, 2011
- Akiyoshia Kuroda & Habe, 1954
- Anatolidamnicola Şahin, Koca & Yildirim, 2012
- Andrusovia Brusina in Westerlund, 1903
- Antillobia Altaba, 1993
- Arganiella Giusti & Pezzoli, 1980
- † Badenia Finlay, 1930 †
- † Baglivia Brusina, 1892
- Balconorbis Hershler & Longley, 1986
- Balkanica Georgiev, 2011
- Balkanospeum Georgiev, 2012
- † Bania Brusina, 1896
- † Beogradica Pavlović, 1927
- Birgella F. C. Baker, 1926
- Boetersiella Arconada & Ramos, 2001
- Boleana Radoman, 1983
- Caledoconcha Haase & Bouchet, 1998[19]
- Caspiohydrobia Starobogatov, 1970
- Cavernisa Radoman, 1978
- Chirgisia Glöer, Boeters & Pešić, 2014
- Chirgisia Glöer, Boeters & Pešić, 2014
- Cochliopina Morrison, 1946
- † Coelacanthia Andrusov, 1890
- Corbellaria Callot-Girardi & Boeters, 2012
- Daphniola Radoman, 1973
- Dasyscias F. G. Thompson & Hershler, 1991
- Devetakia Georgiev & Glöer, 2011
- Ecrobia Stimpson, 1865 - synonym: Ventrosia Radoman, 1977[20]
- Eremopyrgus Hershler, 1999
- Euxinipyrgula Sitnikova & Starobogatov, 1999
- Fonscochlea Ponder, Hershler & Jenkins, 1989
- Fontelicella
- Fontigens Pilsbry, 1933
- Gloeria Georgiev, Dedov & Cheshmedjiev, 2012
- † Goniochilus Sandberger, 1875
- Graecoanatolica Radoman, 1973
- Grossuana Radoman, 1983
- Guadiella Boeters, 2003
- † Gyromelania Wenz, 1939
- Hadoceras
- Hadziella Kuščer, 1932
- Heterocyclus Crosse, 1872
- Heleobops F. G. Thompson, 1968
- Horatia Bourguignat, 1887
- Hoyia F. C. Baker, 1926
- Hyalopyrgus
- Insignia Angelov, 1972
- † Iraklimelania Willmann, 1981
- Isimerope Radea & Parmakelis, 2013
- Jardinella Iredale and Whitley, 1938
- † Jekeliella Bandel, 2010
- Karucia Glöer & Pešić, 2013[21]
- Kanakyella Haase & Bouchet, 1998[19]
- Kaskakia Glöer & Pešić, 2012
- † Kerchia Bandel, 2010
- Kerkia Radoman, 1978
- Lanzaia Brusina, 1906
- Leiorhagium Haase & Bouchet, 1998[19]
- † Lisinskia Brusina, 1897
- Lithoglyphus C. Pfeiffer, 1828
- Littoridinops Pilsbry, 1952
- Lyogyrus Gill, 1863
- Lyrodes Doering, 1884
- Meyrargueria Girardi, 2009
- † Microbeliscus Sandberger, 1875
- † Micromelania Brusina, 1874
- † Mikrogoniochilus Willmann, 1981
- Montenegrospeum Pešić & Glöer, 2013
- Motsametia Vinarski, Palatov & Glöer, 2014
- † Muellerpalia Bandel, 2010
- Nanocochlea Ponder & Clark in Pond, Cla, Mill & Toluzzi, 1993
- † Nematurella Sandberger, 1875
- Neohoratia Schütt, 1961
- Obrovia Radoman, 1974
- Onobops F. G. Thompson, 1969 - or in Cochliopidae[22]
- † Odontohydrobia Pavlović, 1927
- Palacanthilhiopsis
- Parhydrobia Cossmann & Dollfus, 1913
- Petterdiana Brazier, 1896
- Phrantela Iredale, 1943
- Pidaconomus Haase & Bouchet, 1998[19]
- Phreatoceras Hershler & Longley, 1986
- Plagigeyeria Tomlin, 1930
- Pontobelgrandiella Radoman, 1978
- Pontohoratia Vinarski, Palatov & Glöer, 2014
- † Pontohydrobia Badzoshvili, 1979
- Pristinicola Hershler, et al., 1994
- † Prososthenia Neumayr, 1869
- Pseudocaspia Starobogatov, 1972
- Pseudorientalia Radoman, 1983
- Pupiphryx Iredale, 1943
- Pyrgophorus Ancey, 1888 - or in Cochliopidae[22]
- Radomaniola Szarowska, 2006
- † Rhodopyrgula Willmann, 1981
- † Robicia Brusina, 1897
- † Saccoia Brusina, 1893
- Sadleriana Clessin, 1887
- † Salakosia Willmann, 1981
- Salenthydrobia Wilke, 2003
- Sarkhia Glöer & Pešić, 2012
- † Scalimelania Wenz, 1939
- Sellia Raincourt, 1884
- Sivasi Şahin, Koca & Yildirim, 2012
- † Socenia Jekelius, 1944
- Somatogyrus Gill, 1863
- † Staja Brusina, 1897
- † Stalioa Brusina, 1870
- † Staliopsis (Staliopsis) Rzehak, 1893
- Strandzhia Georgiev & Glöer, 2013
- Stygopyrgus Hershler & Longley, 1986
- Tanousia Servain, 1881
- Taylorconcha Hershler, et al., 1994
- Tefennia Schütt & Yildirim, 2003
- Texapyrgus F. G. Thompson & Hershler, 1991
- Torosia Glöer & Georgiev, 2012
- † Tournouerina Schlickum, 1971
- Tryonia Stimpson, 1865
- Turcorientalia Radoman, 1973
- Vinodolia Radoman, 1973
- † Vrazia Brusina, 1897
- Wuconcha Kang, 1983
- † Xestopyrguloides Willmann, 1981
- Zeteana Glöer & Pešić, 2014
other generic names:
- Paludestrina d'Orbigny, 1840 is a rejected or invalid name, that was previously placed within Hydrobiidae[23]
Notes & References
Notes
- ↑ Recent research has found that Hydrobiidae are probably polyphyletic and all Australasian hydrobiid species fall within the distinct clade Tateinae, suggesting they should now be called Tateidae.[14]
References
- ↑ Strong E. E., Gargominy O., Ponder W. F. & Bouchet P. (2008). "Global Diversity of Gastropods (Gastropoda; Mollusca) in Freshwater". Hydrobiologia 595: 149-166. <templatestyles src="Module:Citation/CS1/styles.css" />hdl:10088/7390 doi:10.1007/s10750-007-9012-6.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 3.2 3.3 3.4 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found. book description.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 6.00 6.01 6.02 6.03 6.04 6.05 6.06 6.07 6.08 6.09 6.10 6.11 6.12 6.13 6.14 6.15 6.16 6.17 6.18 6.19 6.20 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 7.0 7.1 Taylor D. W. (1966). The Veliger 9(2): 181, 199.
- ↑ Brusina (1882). Bulletino della Società Malacologica Italiana 7(13-19): 230.
- ↑ Thiele (1925). Handbuch der Zoologie 5(1): 80.
- ↑ 10.00 10.01 10.02 10.03 10.04 10.05 10.06 10.07 10.08 10.09 10.10 10.11 10.12 10.13 Glöer P. (2002). Die Süßwassergastropoden Nord- und Mitteleuropas. Die Tierwelt Deutschlands, ConchBooks, Hackenheim, 326 pp., ISBN 3-925919-60-0, pages 13-16.
- ↑ 11.00 11.01 11.02 11.03 11.04 11.05 11.06 11.07 11.08 11.09 11.10 11.11 Hershler R., Liu H.-P. & Thompson F. G. (2003). "Phylogenetic relationships of North American nymphophiline gastropods based on mitochondrial DNA sequences". Zoologica Scripta 32(4): 357-366. doi:10.1046/j.1463-6409.2003.00115.x. PDF.
- ↑ 12.0 12.1 Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ 14.0 14.1 Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ 16.0 16.1 16.2 Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ 19.0 19.1 19.2 19.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Gofas, S. (2011). Ecrobia Stimpson, 1865. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=238103 on 2011-07-14
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 22.0 22.1 Wesselingh F. P., Anderson L. C. & Kadolsky D. (2006). "Molluscs from the Miocene Pebas Formation of Peruvian and Colombian Amazonia". Scripta Geologica 1333: 19-290. PDF.
- ↑ Bouchet, P. (2011). Paludestrina d'Orbigny, 1840. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=558766 on 2011-07-14
External links
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Wikimedia Commons has media related to Hydrobiidae. |
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