Family Mactridae : 7 Genus or Subfamily 1/7 Subfamily Darininae : 1 Genus 1/1 Genus Darina : 2 Species 1/2 Darina rustica 2/2 Darina solenoides 2/7 Subfamily Lutrariinae : 8 Genus 1/8 Genus Eastonia : 2 Species 1/2 Eastonia rugosa 2/2 Eastonia solanderi 2/8 Genus Heterocardia : 1 Species 1/1 Heterocardia gibbosula 3/8 Genus Lutraria : 19 Species 1/19 Lutraria angustior 2/19 Lutraria australis 3/19 Lutraria bruuni 4/19 Lutraria budkeri 5/19 Lutraria capensis 6/19 Lutraria complanata 7/19 Lutraria curta 8/19 Lutraria hejingi 9/19 Lutraria impar 10/19 Lutraria inhacaensis 11/19 Lutraria lutraria 12/19 Lutraria magna 13/19 Lutraria maxima 14/19 Lutraria rhynchaena 15/19 Lutraria senegalensis 16/19 Lutraria sieboldii 17/19 Lutraria steynlussii 18/19 Lutraria turneri 19/19 Lutraria vietnamensis 4/8 Genus Meropesta : 3 Species 1/3 Meropesta capillacea 2/3 Meropesta nicobarica 3/3 Meropesta sinojaponica 5/8 Genus Standella : 2 Species 1/2 Standella ovalina 2/2 Standella pellucida 6/8 Genus Tresus : 4 Species 1/4 Tresus allomyax 2/4 Tresus capax 3/4 Tresus keenae 4/4 Tresus nuttallii 7/8 Genus Zenatia : 1 Species 1/1 Zenatia acinaces 8/8 Genus Zenatina : 1 Species 1/1 Zenatina victoriae 3/7 Subfamily Mactrinae : 25 Genus 1/25 Genus Austromactra : 2 Species 1/2 Austromactra contraria 2/2 Austromactra rufescens 2/25 Genus Barymactra : 1 Species 1/1 Barymactra rostrata 3/25 Genus Coelomactra : 0 4/25 Genus Crassula : 1 Species 1/1 Crassula aequilatera 5/25 Genus Cyclomactra : 2 Species 1/2 Cyclomactra ovata 2/2 Cyclomactra tristis 6/25 Genus Diaphoromactra : 1 Species 1/1 Diaphoromactra versicolor 7/25 Genus Harvella : 1 Species 1/1 Harvella elegans 8/25 Genus Huberimactra : 2 Species 1/2 Huberimactra grayi 2/2 Huberimactra inconstans 9/25 Genus Leptospisula : 1 Species 1/1 Leptospisula nivea 10/25 Genus Mactra : 51 Species 1/51 Mactra abbreviata 2/51 Mactra achatina 3/51 Mactra aequisulcata 4/51 Mactra alta 5/51 Mactra antiquata 6/51 Mactra aphrodina 7/51 Mactra artensis 8/51 Mactra australis 9/51 Mactra chinensis 10/51 Mactra corallina 11/51 Mactra cordiformis 12/51 Mactra crossei 13/51 Mactra cumingii 14/51 Mactra cuneata 15/51 Mactra cygnus 16/51 Mactra deshayesi 17/51 Mactra dissimilis 18/51 Mactra eburnea 19/51 Mactra eximia 20/51 Mactra glabrata 21/51 Mactra glauca 22/51 Mactra grandis 23/51 Mactra inaequalis 24/51 Mactra incarnata 25/51 Mactra incerta 26/51 Mactra iridescens 27/51 Mactra jacksonensis 28/51 Mactra kanakina 29/51 Mactra lilacea 30/51 Mactra luzonica 31/51 Mactra maculata 32/51 Mactra mitis 33/51 Mactra nipponica 34/51 Mactra olorina 35/51 Mactra opposita 36/51 Mactra paulucci 37/51 Mactra pulchella 38/51 Mactra pura 39/51 Mactra pusilla 40/51 Mactra quadrangularis 41/51 Mactra queenslandica 42/51 Mactra rochebrunei 43/51 Mactra sauliana 44/51 Mactra sericea 45/51 Mactra sliekeri 46/51 Mactra stultorum 47/51 Mactra subglobosa 48/51 Mactra thaanumi 49/51 Mactra turgida 50/51 Mactra violacea 51/51 Mactra westralis 11/25 Genus Mactrella : 1 Species 1/1 Mactrella striatula 12/25 Genus Mactrellona : 4 Species 1/4 Mactrellona alata 2/4 Mactrellona clisia 3/4 Mactrellona exoleta 4/4 Mactrellona subalata 13/25 Genus Mactrinula : 5 Species 1/5 Mactrinula dolabrata 2/5 Mactrinula plicataria 3/5 Mactrinula reevesii 4/5 Mactrinula subplicata 5/5 Mactrinula tryphera 14/25 Genus Mactromeris : 3 Species 1/3 Mactromeris catilliformis 2/3 Mactromeris hemphillii 3/3 Mactromeris polynyma 15/25 Genus Mactrotoma : 13 Species 1/13 Mactrotoma angulifera 2/13 Mactrotoma angusta 3/13 Mactrotoma antecedens 4/13 Mactrotoma californica 5/13 Mactrotoma compressa 6/13 Mactrotoma depressa 7/13 Mactrotoma explanata 8/13 Mactrotoma fragilis 9/13 Mactrotoma isthmica 10/13 Mactrotoma janeiroensis 11/13 Mactrotoma nasuta 12/13 Mactrotoma surinamensis 13/13 Mactrotoma velata 16/25 Genus Maorimactra : 1 Species 1/1 Maorimactra ordinaria 17/25 Genus Mulinia : 10 Species 1/10 Mulinia bicolor 2/10 Mulinia byronensis 3/10 Mulinia cleryana 4/10 Mulinia edulis 5/10 Mulinia exalbida 6/10 Mulinia lateralis 7/10 Mulinia levicardo 8/10 Mulinia modesta 9/10 Mulinia pallida 10/10 Mulinia pontchartrainensis 18/25 Genus Oxyperas : 9 Species 1/9 Oxyperas aspersum 2/9 Oxyperas bellianum 3/9 Oxyperas bernardi 4/9 Oxyperas coppingeri 5/9 Oxyperas egenum 6/9 Oxyperas elongatum 7/9 Oxyperas lentiginosum 8/9 Oxyperas proaspersum 9/9 Oxyperas transversum 19/25 Genus Rangia : 3 Species 1/3 Rangia cuneata 2/3 Rangia flexuosa 3/3 Rangia mendica 20/25 Genus Scalpomactra : 1 Species 1/1 Scalpomactra scalpellum 21/25 Genus Scissodesma : 5 Species 1/5 Scissodesma acutissima 2/5 Scissodesma angolensis 3/5 Scissodesma micronitida 4/5 Scissodesma nitida 5/5 Scissodesma spengleri 22/25 Genus Simomactra : 5 Species 1/5 Simomactra capensis 2/5 Simomactra chionia 3/5 Simomactra dolabriformis 4/5 Simomactra falcata 5/5 Simomactra planulata 23/25 Genus Spisula : 16 Species 1/16 Spisula adamsi 2/16 Spisula austini 3/16 Spisula discors 4/16 Spisula elliptica 5/16 Spisula fuegiensis 6/16 Spisula guidoi 7/16 Spisula isabelleana 8/16 Spisula marplatensis 9/16 Spisula murchisoni 10/16 Spisula petitii 11/16 Spisula raveneli 12/16 Spisula sachalinensis 13/16 Spisula solida 14/16 Spisula solidissima 15/16 Spisula subtruncata 16/16 Spisula trigonella 24/25 Genus Trinitasia : 1 Species 1/1 Trinitasia iheringi 25/25 Genus Tumbeziconcha : 4 Species 1/4 Tumbeziconcha goniocyma 2/4 Tumbeziconcha plicatilis 3/4 Tumbeziconcha senegalica 4/4 Tumbeziconcha thracioides 4/7 Genus Mactrona : 0 5/7 Genus Petromactra : 1 Species 1/1 Petromactra mathewsonii 6/7 Subfamily Resaniinae : 1 Genus 1/1 Genus Resania : 1 Species 1/1 Resania lanceolata 7/7 Subfamily Tanysiphoninae : 1 Genus 1/1 Genus Tanysiphon : 1 Species 1/1 Tanysiphon rivalis 181 Species in Mactridae
(Extracted from WoRMS on October 2025)
NB: status "accepted" and "extant, not fossile-only"