Family Triviidae : 16 Genus 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
(Extracted from WoRMS on October 2025)
NB: status "accepted" and "extant, not fossile-only"