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Triviidae regroupe 16 genres

Family Triviidae 
 1/16 Genus Cleotrivia: 16 Species
-----1/16 Cleotrivia andreiae -----2/16 Cleotrivia atomaria -----3/16 Cleotrivia bobabeli -----4/16 Cleotrivia brevissima -----5/16 Cleotrivia coletteae -----6/16 Cleotrivia corallina -----7/16 Cleotrivia culmen -----8/16 Cleotrivia dissimilis -----9/16 Cleotrivia euclaensis -----10/16 Cleotrivia globosa -----11/16 Cleotrivia occidentalis -----12/16 Cleotrivia pilula -----13/16 Cleotrivia pisum -----14/16 Cleotrivia pygmaea -----15/16 Cleotrivia rustica -----16/16 Cleotrivia vitrea
2/16 Genus Discotrivia: 1 Species
-----1/1 Discotrivia depauperata
3/16 Genus Dolichupis: 25 Species
-----1/25 Dolichupis acutidentata -----2/25 Dolichupis akangus -----3/25 Dolichupis artema -----4/25 Dolichupis burius -----5/25 Dolichupis cicatrosa -----6/25 Dolichupis citeria -----7/25 Dolichupis derkai -----8/25 Dolichupis dorsennus -----9/25 Dolichupis halians -----10/25 Dolichupis iota -----11/25 Dolichupis janae -----12/25 Dolichupis leei -----13/25 Dolichupis leucosphaera -----14/25 Dolichupis malvabasis -----15/25 Dolichupis mediagibber -----16/25 Dolichupis meridionalis -----17/25 Dolichupis myrae -----18/25 Dolichupis panamensis -----19/25 Dolichupis paucilirata -----20/25 Dolichupis pingius -----21/25 Dolichupis producta -----22/25 Dolichupis ritteri -----23/25 Dolichupis rubinicolor -----24/25 Dolichupis tindigei -----25/25 Dolichupis virgo
4/16 Genus Ellatrivia: 7 Species
-----1/7 Ellatrivia bipunctata -----2/7 Ellatrivia caelatura -----3/7 Ellatrivia cydarum -----4/7 Ellatrivia detavorai -----5/7 Ellatrivia exmouthensis -----6/7 Ellatrivia merces -----7/7 Ellatrivia oryzoidea
5/16 Genus Gregoia: 36 Species
-----1/36 Gregoia aemula -----2/36 Gregoia albamargarita -----3/36 Gregoia albengai -----4/36 Gregoia alta -----5/36 Gregoia ariejansseni -----6/36 Gregoia barbarabugeae -----7/36 Gregoia boucheti -----8/36 Gregoia brami -----9/36 Gregoia crassilabra -----10/36 Gregoia danielleae -----11/36 Gregoia densedentata -----12/36 Gregoia distantia -----13/36 Gregoia dorsorotunda -----14/36 Gregoia eua -----15/36 Gregoia formosa -----16/36 Gregoia hypsocollis -----17/36 Gregoia josephica -----18/36 Gregoia latilabra -----19/36 Gregoia mariecatherinae -----20/36 Gregoia mauricetteae -----21/36 Gregoia multidentata -----22/36 Gregoia nuda -----23/36 Gregoia oscilla -----24/36 Gregoia paenegloba -----25/36 Gregoia peregrina -----26/36 Gregoia petitdevoizei -----27/36 Gregoia prunum -----28/36 Gregoia ramosa -----29/36 Gregoia rimatara -----30/36 Gregoia salebrosa -----31/36 Gregoia tenera -----32/36 Gregoia tonga -----33/36 Gregoia umera -----34/36 Gregoia vitrosphaera -----35/36 Gregoia vorago -----36/36 Gregoia yurikantori
6/16 Genus Niveria: 20 Species
-----1/20 Niveria bieleri -----2/20 Niveria brasilica -----3/20 Niveria capsula -----4/20 Niveria guyana -----5/20 Niveria harriettae -----6/20 Niveria hybrida -----7/20 Niveria liltvedi -----8/20 Niveria macaeica -----9/20 Niveria maculosa -----10/20 Niveria maltbiana -----11/20 Niveria maugeriae -----12/20 Niveria nix -----13/20 Niveria pacifica -----14/20 Niveria pullata -----15/20 Niveria quadripunctata -----16/20 Niveria simonei -----17/20 Niveria suffusa -----18/20 Niveria turgida -----19/20 Niveria werneri -----20/20 Niveria xishaensis
7/16 Genus Novatrivia: 4 Species
-----1/4 Novatrivia aikeni -----2/4 Novatrivia far -----3/4 Novatrivia mirabilis -----4/4 Novatrivia taiwanica
8/16 Genus Pseudopusula: 15 Species
-----1/15 Pseudopusula africana -----2/15 Pseudopusula antillarum -----3/15 Pseudopusula californiana -----4/15 Pseudopusula campus -----5/15 Pseudopusula circumdata -----6/15 Pseudopusula fusca -----7/15 Pseudopusula galapagensis -----8/15 Pseudopusula geigeri -----9/15 Pseudopusula gerberi -----10/15 Pseudopusula grohorum -----11/15 Pseudopusula peruviana -----12/15 Pseudopusula rota -----13/15 Pseudopusula rubescens -----14/15 Pseudopusula sanguinea -----15/15 Pseudopusula spongicola
9/16 Genus Purpurcapsula: 10 Species
-----1/10 Purpurcapsula bayeri -----2/10 Purpurcapsula corinneae -----3/10 Purpurcapsula erythrostigma -----4/10 Purpurcapsula exigua -----5/10 Purpurcapsula incisura -----6/10 Purpurcapsula laurae -----7/10 Purpurcapsula polynesiae -----8/10 Purpurcapsula pulcherrima -----9/10 Purpurcapsula rubramaculosa -----10/10 Purpurcapsula zzyzyxia
10/16 Genus Pusula: 8 Species
-----1/8 Pusula bessei -----2/8 Pusula cimex -----3/8 Pusula costispunctata -----4/8 Pusula garciai -----5/8 Pusula labiosa -----6/8 Pusula pediculus -----7/8 Pusula radians -----8/8 Pusula solandri
11/16 Genus Quasipusula: 1 Species
-----1/1 Quasipusula vemacola
12/16 Genus Semitrivia: 3 Species
-----1/3 Semitrivia calvitia -----2/3 Semitrivia hallucinata -----3/3 Semitrivia tsuchidai
13/16 Genus Trivellona: 48 Species
-----1/48 Trivellona abyssicola -----2/48 Trivellona aequabilis -----3/48 Trivellona aliquando -----4/48 Trivellona bealsi -----5/48 Trivellona bulla -----6/48 Trivellona carina -----7/48 Trivellona catei -----8/48 Trivellona conjonctiva -----9/48 Trivellona desirabilis -----10/48 Trivellona dolini -----11/48 Trivellona eglantina -----12/48 Trivellona ellenae -----13/48 Trivellona enricoschwabei -----14/48 Trivellona eos -----15/48 Trivellona excelsa -----16/48 Trivellona finleyi -----17/48 Trivellona galea -----18/48 Trivellona gilbertoi -----19/48 Trivellona globulus -----20/48 Trivellona hansposti -----21/48 Trivellona haplomorpha -----22/48 Trivellona homala -----23/48 Trivellona inflata -----24/48 Trivellona inopinata -----25/48 Trivellona kiiensis -----26/48 Trivellona lactea -----27/48 Trivellona laurenti -----28/48 Trivellona litolabra -----29/48 Trivellona marlowi -----30/48 Trivellona opalina -----31/48 Trivellona ovata -----32/48 Trivellona panglaoica -----33/48 Trivellona paucicostata -----34/48 Trivellona plana -----35/48 Trivellona puillandrei -----36/48 Trivellona pulchra -----37/48 Trivellona pyrifera -----38/48 Trivellona rugosa -----39/48 Trivellona sagamiensis -----40/48 Trivellona samadiae -----41/48 Trivellona schepmani -----42/48 Trivellona shimajiriensis -----43/48 Trivellona sibogae -----44/48 Trivellona speciosa -----45/48 Trivellona suavis -----46/48 Trivellona suduirauti -----47/48 Trivellona syzygia -----48/48 Trivellona valerieae
14/16 Genus Trivia: 16 Species
-----1/16 Trivia arctica -----2/16 Trivia candidula -----3/16 Trivia corsica -----4/16 Trivia cylindrica -----5/16 Trivia dakarensis -----6/16 Trivia hispania -----7/16 Trivia leditae -----8/16 Trivia levantina -----9/16 Trivia mediterranea -----10/16 Trivia merlini -----11/16 Trivia mollerati -----12/16 Trivia monacha -----13/16 Trivia multilirata -----14/16 Trivia napolina -----15/16 Trivia pura -----16/16 Trivia virginea
15/16 Genus Triviella: 34 Species
-----1/34 Triviella amaryllis -----2/34 Triviella aperta -----3/34 Triviella bogeni -----4/34 Triviella calvariola -----5/34 Triviella carptima -----6/34 Triviella chiapponii -----7/34 Triviella costata -----8/34 Triviella debruini -----9/34 Triviella eratoides -----10/34 Triviella franziskae -----11/34 Triviella goslineri -----12/34 Triviella immelmani -----13/34 Triviella insolita -----14/34 Triviella khanya -----15/34 Triviella lemaitrei -----16/34 Triviella lorenzi -----17/34 Triviella lowtheri -----18/34 Triviella magnidentata -----19/34 Triviella martybealsi -----20/34 Triviella massieri -----21/34 Triviella millardi -----22/34 Triviella montorum -----23/34 Triviella multicostata -----24/34 Triviella neglecta -----25/34 Triviella ovulata -----26/34 Triviella phalacra -----27/34 Triviella pseudovulata -----28/34 Triviella rubra -----29/34 Triviella sanctispiritus -----30/34 Triviella sharonae -----31/34 Triviella splendidissima -----32/34 Triviella verhoefi -----33/34 Triviella vesicularis -----34/34 Triviella williami
16/16 Genus Trivirostra: 49 Species
-----1/49 Trivirostra akroterion -----2/49 Trivirostra angulata -----3/49 Trivirostra angustata -----4/49 Trivirostra bitou -----5/49 Trivirostra bocki -----6/49 Trivirostra boswellae -----7/49 Trivirostra boucancanotica -----8/49 Trivirostra catina -----9/49 Trivirostra clariceae -----10/49 Trivirostra corrugata -----11/49 Trivirostra declivis -----12/49 Trivirostra dekkeri -----13/49 Trivirostra directa -----14/49 Trivirostra dolichis -----15/49 Trivirostra edgari -----16/49 Trivirostra elongata -----17/49 Trivirostra ginae -----18/49 Trivirostra hordacea -----19/49 Trivirostra houssayica -----20/49 Trivirostra hyalina -----21/49 Trivirostra insularum -----22/49 Trivirostra keehiensis -----23/49 Trivirostra lacrima -----24/49 Trivirostra letourneuxi -----25/49 Trivirostra leylae -----26/49 Trivirostra mactanica -----27/49 Trivirostra matavai -----28/49 Trivirostra natalensis -----29/49 Trivirostra obliqua -----30/49 Trivirostra obscura -----31/49 Trivirostra oryza -----32/49 Trivirostra oshimaensis -----33/49 Trivirostra pellucidula -----34/49 Trivirostra poppei -----35/49 Trivirostra prosilia -----36/49 Trivirostra pseudotrivellona -----37/49 Trivirostra pyrena -----38/49 Trivirostra scabriuscula -----39/49 Trivirostra shawi -----40/49 Trivirostra sphaeroides -----41/49 Trivirostra spioinsula -----42/49 Trivirostra thaanumi -----43/49 Trivirostra tomlini -----44/49 Trivirostra triticum -----45/49 Trivirostra tryphaenae -----46/49 Trivirostra turneri -----47/49 Trivirostra vayssierei -----48/49 Trivirostra vitrina -----49/49 Trivirostra yangi
293 Species in Triviidae

(Extraits de WoRMS de février 2026)
NB: status "accepted" et "extant, not fossile-only"