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Trigonia

Bivalvia - Trigoniida - Trigoniidae

Taxonomy
Trigonia was named by Bruguière (1789) [Sepkoski's age data: Tr Anis K Maes Sepkoski's reference number: 914]. It is not extant. Its type is Venus sulcata.

It was assigned to Trigoninae by Packard (1921); to Trigonioida by Sepkoski (2002); to Trigoniinae by Pérez et al. (2008); and to Trigoniidae by Meek (1864), Cox (1952), Vokes (1980), Bouchet et al. (2010), Ros-Franch et al. (2014).

Species
T. (Clavitrigonia), T. (Heslingtonia), T. (Indotrigonia), T. (Kumatrigonia), T. (Pleurotrigonia), T. (Primatrigonia) (syn. T. (Modesticoncha), T. (Modestella)), T. (Prosogyrotrigonia), T. (Protrigonia), T. (Trigonia), T. aequicostata, T. analoga, T. angulicosta, T. antiqua, T. azzarolae, T. bowersiana, T. carinata, T. castani, T. castrovillensis, T. charlottensis, T. columbiana, T. coqueiroensis, T. cragini, T. depauperata, T. devexa, T. doroschini, T. eufaulensis gabbi, T. eufaulensis moorei, T. evansi, T. gibboniana, T. hemisphaerica, T. imbricata, T. intersitans (syn. T. tatei), T. kayana, T. kefersteini, T. kitchini, T. literata, T. maastrichtiana, T. maloneana, T. marginata, T. melhasei, T. montanaensis, T. mooreana, T. nodulosa, T. obliqua, T. oregona, T. orientalis, T. oviedensis, T. pandicosta, T. papuana, T. picteti, T. plana, T. plumasensis, T. pseudocaudata, T. pseudocrenulata, T. pullus, T. rebouli, T. reesidei, T. reticulata, T. somaliensis, T. stantoni, T. stolleyi, T. suborbicularis, T. sulcata, T. tabacoensis, T. thierachensis, T. thoracica, T. undulata, T. undulatocostata, T. windhauseniana
Species lacking formal opinion data
T. bella, T. clavigera, T. conradi, T. corderoi, T. costata, T. crebraecostata, T. elongata, T. elongata, T. guadalupae, T. kenti, T. kidugalloensis, T. kuchensis, T. leckenbyi, T. libanotica, T. loutfyi, T. migeodi, T. mollesensis, T. nitida, T. proelanza, T. prora, T. stelzneri, T. tenuis, T. trafalgarensis, T. tumida

Synonymy list
YearName and author
1789Trigonia Bruguière
1864Trigonia Meek p. 48
1921Trigonia Packard p. 9
1952Trigonia Cox
1980Trigonia Vokes p. 100
2002Trigonia Sepkoski
2008Trigonia Pérez et al. p. 59
2010Trigonia Bouchet et al.
2014Trigonia Ros-Franch et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassHeteroconchia(Gray 1854)
—UniomorphiGray 1854
—UnioniGray 1854
—UnionataGray 1854
orderTrigoniida(Dall 1889)
superfamilyTrigonioidea(Lamarck 1819)
familyTrigoniidaeLamarck 1819
subfamilyTrigoniinaeLamarck 1819
genusTrigoniaBruguière 1789

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.

G. †Trigonia Bruguière 1789
show all | hide all
Subg. †Trigonia (Clavitrigonia) Leanza 1942
Subg. †Trigonia (Heslingtonia) Fleming 1987
Subg. †Trigonia (Indotrigonia) Dietrich 1933
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Invalid names: Trigonia crassa Kitchin 1900 [replaced]
Subg. †Trigonia (Pleurotrigonia) van Hoepen 1929
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Invalid names: Trigonia (Modestella) Hautmann 2001 [objective synonym], Trigonia (Modesticoncha) Hautmann 2009 [objective synonym]
Subg. †Trigonia (Prosogyrotrigonia) Krumbeck 1924
Subg. †Trigonia (Trigonia) Bruguiere 1789
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†Trigonia (Trigonia) gaytani Klipstein 1843
†Trigonia (Trigonia) heva Dollfus 1863
†Trigonia aequicostata Gabb 1869
†Trigonia analoga Douvillé 1916
†Trigonia angulicosta Gabb 1876
†Trigonia antiqua d'Orbigny 1842
†Trigonia azzarolae Stoppani 1865
†Trigonia bowersiana Anderson 1958
†Trigonia carinata Agassiz 1840
†Trigonia castani Henry 1876
†Trigonia castrovillensis Stephenson 1941
†Trigonia charlottensis Packard 1921
†Trigonia columbiana Packard 1921
†Trigonia coqueiroensis Maury 1936
†Trigonia cragini Stoyanow 1949
†Trigonia depauperata Douvillé 1916
†Trigonia devexa Eichwald 1871
†Trigonia doroschini Eichwald 1871
†Trigonia eufaulensis gabbi Stephenson 1941
†Trigonia eufaulensis moorei Stephenson 1941
†Trigonia gibboniana Lea 1840
†Trigonia hemisphaerica Lycett 1877
†Trigonia imbricata Sowerby 1826
†Trigonia intersitans Tate 1896
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Invalid names: Trigonia tatei Pritchard 1895 [replaced]
†Trigonia kayana Anderson 1938
†Trigonia kefersteini Münster 1828
†Trigonia kitchini Stoyanow 1949
†Trigonia literata Young and Bird 1828
†Trigonia maastrichtiana Briart 1888
†Trigonia maloneana Stoyanow 1949
†Trigonia marginata Damon 1860
†Trigonia melhasei Anderson 1958
†Trigonia montanaensis Meek 1873
†Trigonia mooreana Gabb 1861
†Trigonia nodulosa Lamarck 1801
†Trigonia obliqua Hyatt 1892
†Trigonia oregona Packard 1921
†Trigonia orientalis Douvillé 1916
†Trigonia oviedensis Lycett 1881
†Trigonia pandicosta Meek 1864
†Trigonia papuana Glaessner 1958
†Trigonia picteti Coquand 1865
†Trigonia plana Repin 2013
†Trigonia plumasensis Hyatt 1892
†Trigonia pseudocaudata Hector 1886
†Trigonia pseudocrenulata Notling 1884
†Trigonia pullus Sowerby 1826
†Trigonia rebouli Henry 1876
†Trigonia reesidei Stoyanow 1949
†Trigonia reticulata Agassiz 1841
†Trigonia somaliensis Stefanini 1939
†Trigonia stantoni Stephenson 1941
†Trigonia stolleyi Hill 1893
†Trigonia suborbicularis Forbes 1846
†Trigonia sulcata Hector 1874
†Trigonia tabacoensis Barthel 1958
†Trigonia thierachensis Fischer 1969
†Trigonia thoracica Morton 1834
†Trigonia undulata Fromherz 1838
†Trigonia undulatocostata Blanckenhorn 1890
†Trigonia windhauseniana Wilckens 1921
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height329.225.036.827.06.34
valve height1026.418.036.027.06.47

Composition: aragonitef
Environment: marinef
Locomotion: fast-movingf
Life habit: shallow infaunalf
Diet: suspension feederf
Vision: blindf
Created: 2025-05-16 13:05:25
Modified: 2025-05-16 13:05:25
Source: f = family
References: Aberhan et al. 2004, Ros-Franch et al. 2014

Age range: base of the Asselian to the top of the Danian or 298.90000 to 61.66000 Ma

Collections (845 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Asselian298.9 - 293.52Bolivia T. antiqua (133181)
Anisian246.7 - 241.464Chile (Huasco) T. tabacoensis (223361)
Anisian246.7 - 241.464Chile (Atacama) T. tabacoensis (200772)
Julian237.0 - 233.6Italy T. gaytani (144634)
Carnian237.0 - 227.3Mexico (Sonora) T. sp. (200775)
Carnian237.0 - 227.3Japan (Kumamoto) Frenguelliella tanourensis (40556)
Carnian - Norian237.0 - 205.7China (Xizang) T. sp. (85521)
Lacian227.3 - 215.38USA (Alaska) T. sp. (112253)
Lacian - Alaunian227.3 - 211.18Russian Federation T. nemtinovi (136158 136161)
Norian227.3 - 205.7China (Qinghai) T. qiaotouensis (200769)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Maastrichtian72.2 - 66.0Argentina (Mendoza) Pterotrigonia windhauseniana (106079 236020 236365 236370)
Maastrichtian72.2 - 66.0Argentina (Chubut) Pterotrigonia windhauseniana (74105 74106 74113 74114 74115 74116 74118 74119 74122 74126 74307 74319 231700 231701 231704 231707 240148) Rinetrigonia windhauseniana (1357)
Maastrichtian72.2 - 66.0Argentina (Santa Cruz) Rinetrigonia windhauseniana (1371)
Maastrichtian72.2 - 66.0USA (Alabama) Pterotrigonia thoracica (4257 4258) Scabrotrigonia thoracica (1306 1307 1308)
Maastrichtian72.2 - 66.0Argentina (Neuquén) Pterotrigonia windhauseniana (66649 74019 74020 74021 74022 74027 74061 74067 74070 74073 74074 74075 74087 74089)
Maastrichtian72.2 - 66.0New Zealand Pterotrigonia pseudocaudata (1341)
Maastrichtian72.2 - 66.0USA (Arkansas) Scabrotrigonia thoracica (1302)
Maastrichtian72.2 - 66.0USA (New Jersey) T. mortoni (26818)
Maastrichtian - Danian72.2 - 61.66Argentina (Chubut) T. windhauseniana (240170)
Paleocene66.0 - 56.0Argentina T. sp. (99258)