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Uniomorphi

Bivalvia

Taxonomy
Uniomorphi was named by Gray (1854). It is extant.

It was assigned to Heteroconchia by Carter et al. (2011).

Subtaxa
Sister taxa
Unioni

Synonymy list
YearName and author
1854Uniomorphi Gray
2011Uniomorphi Carter et al. p. 11

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
UniomorphiGray 1854
UniomorphiGray 1854

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Unr. Uniomorphi Gray 1854
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Fm. †Thoraliidae Morris 1980
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G. †Thoralia Morris 1980
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Thoralia languedociana Thoral 1935
Invalid names: Miquelana Babin et al. 1982 [objective synonym]
Unr. Unioni Gray 1854
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Superfm. †Lyrodesmatoidea Ulrich 1894
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Fm. †Lyrodesmatidae Ulrich 1894
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G. †Brachilyrodesma Pojeta and Gilbert-Tomlinson 1977
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Brachilyrodesma radkei Pojeta and Gilbert-Tomlinson 1977
G. †Lyrodesma Conrad 1841
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Lyrodesma huguesensis Foerste 1924
Lyrodesma major Ulrich 1879
Lyrodesma planum Conrad 1841
Lyrodesma postplanum Foerste 1924
Lyrodesma poststriatum Emmons 1842
Lyrodesma truyolsi Gutiérrez-Marco and Babin 1999
G. †Lyronucula Fischer 1886
G. †Noradonta Pojeta and Gilbert-Tomlinson 1977
+
Noradonta shergoldi Pojeta and Gilbert-Tomlinson 1977
G. †Pseudaxinus Salter 1864
G. †Siliquarca de Tromelin and Lebesconte 1875
G. †Tanaodon Kirk 1927
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Tanaodon louderbacki Kirk 1927
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Invalid names: Neoactinodonta amygdalina Heidecker 1959 [synonym]
Invalid names: Neoactinodonta Heidecker 1959 [objective synonym]
G. †Tromelinodonta Babin 1982
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Tromelinodonta armoricana de Tromelin and Lebesconte 1875
Fm. †Pseudarcidae Scarlato and Starobogatov 1979
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G. †Pseudarca Tromelin and Lebesconte 1875
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Pseudarca celtica Tunnicliff 1987
Pseudarca incola Barrande 1881
Pseudarca typa de Tromelin and Lebesconte 1875
Unr. Unionata Gray 1854
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Or. Trigoniida Dall 1889
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G. †Gobiella
G. †Heslingtonia Fleming 1987
G. †Kupenga
G. †Macrotrigonia Camacho and Olivero 1985
Superfm. †Myophorelloidea Kobayashi 1954
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Unr. †Megatrigonioidae van Hoepen 1929
Unr. †Myophorelloidae Kobayashi 1954
Fm. †Steinmanellidae Cooper 1991
Invalid names: Frenguelliellidae Nakano 1960 [empty]
Superfm. †Pseudocardinioidea Martinson 1961
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Fm. †Pseudocardiniidae Martinson 1961
Fm. †Utschamiellidae Kolesnikov 1977
Subor. Trigoniina Dall 1899
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Superfm. Trigoniacea Lamarck 1819
Superfm. Trigonioidea Lamarck 1819
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Fm. †Costatoriidae Newell and Boyd 1975
Fm. †Eoschizodidae Newell and Boyd 1975
Fm. †Groeberellidae Pérez et al. 1995
Fm. †Ladinomyidae Prinoth and Posenato 2023
Fm. †Myophoriidae Bronn 1847
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Invalid names: Cytherodontidae Miller [synonym], Gruenewaldiidae Cooper 1991 [synonym]
Fm. †Prosogyrotrigoniidae Kobayashi 1954
Fm. †Scaphellinidae Newell and Ciriacks 1962
Fm. †Schizodidae Newell and Boyd 1975
Fm. Trigoniidae Lamarck 1819
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Invalid names: Lyrodontidae Bronn 1862 [synonym]
Superfm. †Trigonioidoidea Cox 1952
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Fm. †Jilinoconchidae Ma 1989
Fm. †Nakamuranaiadidae Guo 1981
Fm. †Nippononaiidae Chen 1987
Fm. Pseudohyriidae Kobajashi 1968
Fm. †Sainschandiidae Kolesnikov 1977
Fm. †Trigonioididae Cox 1952
Invalid names: Americunioninae Guo 1986 [empty], Plicatounionidae Chen 1987 [empty]
Superfm. †Trigonodoidea Modell 1942
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Fm. †Desertellidae Dechauseaux 1946
Fm. †Trigonodidae Modell 1942
Invalid names: Beichuanioidea Liu and Gu 1988 [empty], Lyrodesmatacea Ulrich 1894 [empty], Megatrigonioidea van Hoepen 1929 [empty], Myophorellina Cooper 1991 [empty]
Or. Unionida Stoliczka 1871
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Superfm. †Archanodontacea Weir 1969
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Fm. †Archanodontidae Weir 1969
Subor. Hyriidina Hoeh 2009
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Superfm. Hyrioidea Swainson 1840
G. †Protelliptio Russell 1934
Subor. †Silesunionidina Skawina and Dzik 2011
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Invalid names: Silesunionoidea Skawina and Dzik 2011 [empty]
Subor. †Silesunionina Skawina and Dzik 2011
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Fm. †Silesunionidae Skawina and Dzik 2011
Invalid names: Unionellidae Skawina and Dzik 2011 [empty]
G. †Tihkia Sahni and Tewari 1958
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Tihkia silesiaca Skawina and Dzik 2011
Subor. Unionidina Gray 1854
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Superfm. Mullerioidea Deshayes 1832
Superfm. Unionoidea Fleming 1828
Invalid names: Actinodontophoroidea Newell 1969 [empty], Amblemidae Rafinesque 1820 [empty], Archanodontoidea Modell 1957 [empty], Carydioidea Haffer 1959 [empty], Etherioidea Deshayes 1830 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobilec
Life habit: infaunalc
Diet: suspension feederc
Vision: blindc
Created: 2004-02-28 11:33:36
Modified: 2010-02-12 03:59:35
Source: c = class
Reference: Aberhan et al. 2004

Age range

Maximum range based only on fossils: base of the Fennian to the top of the Holocene or 470.70000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 470.0 Ma

Collections (5019 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Arenig478.6 - 466.0Australia (Queensland) Trigonodus sp. (157069 157073)
Arenig478.6 - 466.0France (Montagne Noire) Noradonta sp., Miquelana sp. (20828) Thoralia languedociana (20923)
Arenig478.6 - 466.0France (Ille-et-Vilaine) Lyrodesma armoricana (20852 20860)
Arenig478.6 - 466.0United Kingdom (England) Lyrodesma sp. (3686)
Floian477.7 - 470.0France (Montagne Noire) Noradonta sp., Miquelana languedociana (20827) Noradonta sp., Miquelana sp. (20820)
Floian477.7 - 470.0China (Yunnan) Baidiostraca aberrans (200939)
Fennian470.7 - 468.0France (Montagne Noire) Miquelana sp. (20825)
Darriwilian467.3 - 458.4Australia (Queensland) Noradonta shergoldi (77521 77760)
Darriwilian467.3 - 458.4Australia (Northern Territory) Noradonta shergoldi (79314 79317)
Sarka466.0 - 466.0Czech Republic (Cvikov) Pseudocyrtodonta incola (167385)
Sarka466.0 - 466.0Czech Republic Pseudocyrtodonta incola (95015 95017)
Sarka466.0 - 466.0Czech Republic (Plzeňský) Leda incola (95016)
Dobrotivian459.0 - 457.9Spain (Ciudad Real) Lyrodesma truyolsi (174659 174660)
Dobrotivian - Berounian459.0 - 449.8France (Calvados) Siliquarca typa, Lyrodesma lebescontei, Lyrodesma securis (20851)
Soudleyan - Longvillian458.4 - 455.0United Kingdom (Northern Ireland) Lyrodesma radiatum (13840)
Caradoc458.4 - 449.5USA (Kentucky) Lyrodesma inornatum (64418)
Late/Upper Ordovician458.4 - 443.8USA (Maryland) Lyrodesma poststriatum (411)
Late/Upper Ordovician458.4 - 443.8France Pseudarca typa (174558)
Late/Upper Ordovician458.4 - 443.8USA (New York) Lyrodesma poststriatum (347)
Late/Upper Ordovician458.4 - 443.8USA (Virginia) Lyrodesma sp. (345)