Family Cardiidae : 10 Subfamily
 1/10  Subfamily Cardiidae incertae sedis : 1 Genus 
   1/1  Genus Maoricardium : 3 Species 
     1/3 Maoricardium pseudolatum
     2/3 Maoricardium pseudolima
     3/3 Maoricardium setosum
 2/10  Subfamily Cardiinae : 7 Genus 
   1/7  Genus Bucardium : 1 Species 
     1/1 Bucardium ringens
   2/7  Genus Cardium : 2 Species 
     1/2 Cardium costatum
     2/2 Cardium maxicostatum
   3/7  Genus Europicardium : 4 Species 
     1/4 Europicardium caparti
     2/4 Europicardium nolfi
     3/4 Europicardium serrulatum
     4/4 Europicardium vepris
   4/7  Genus Fulvia : 17 Species 
     1/17 Fulvia aperta
     2/17 Fulvia australis
     3/17 Fulvia boholensis
     4/17 Fulvia colorata
     5/17 Fulvia dulcis
     6/17 Fulvia fragiformis
     7/17 Fulvia fragilis
     8/17 Fulvia hungerfordi
     9/17 Fulvia kaarei
     10/17 Fulvia laevigata
     11/17 Fulvia mutica
     12/17 Fulvia natalensis
     13/17 Fulvia nienkeae
     14/17 Fulvia scalata
     15/17 Fulvia subquadrata
     16/17 Fulvia tenuicostata
     17/17 Fulvia undatopicta
   5/7  Genus Procardium : 1 Species 
     1/1 Procardium indicum
   6/7  Genus Pseudofulvia : 4 Species 
     1/4 Pseudofulvia arago
     2/4 Pseudofulvia caledonica
     3/4 Pseudofulvia lineonotata
     4/4 Pseudofulvia lobulata
   7/7  Genus Vepricardium : 8 Species 
     1/8 Vepricardium asiaticum
     2/8 Vepricardium burnupi
     3/8 Vepricardium coronatum
     4/8 Vepricardium incarnatum
     5/8 Vepricardium multispinosum
     6/8 Vepricardium rubrohamatum
     7/8 Vepricardium sinense
     8/8 Vepricardium vidali
 3/10  Subfamily Clinocardiinae : 4 Genus 
   1/4  Genus Ciliatocardium : 2 Species 
     1/2 Ciliatocardium ciliatum
     2/2 Ciliatocardium likharevi
   2/4  Genus Clinocardium : 1 Species 
     1/1 Clinocardium nuttallii
   3/4  Genus Keenocardium : 3 Species 
     1/3 Keenocardium blandum
     2/3 Keenocardium buelowi
     3/3 Keenocardium californiense
   4/4  Genus Serripes : 3 Species 
     1/3 Serripes groenlandicus
     2/3 Serripes laperousii
     3/3 Serripes notabilis
 4/10  Subfamily Fraginae : 8 Genus 
   1/8  Genus Americardia : 8 Species 
     1/8 Americardia biangulata
     2/8 Americardia columbella
     3/8 Americardia guppyi
     4/8 Americardia lightbourni
     5/8 Americardia lindamaesae
     6/8 Americardia media
     7/8 Americardia planicostata
     8/8 Americardia speciosa
   2/8  Genus Apiocardia : 1 Species 
     1/1 Apiocardia obovalis
   3/8  Genus Corculum : 2 Species 
     1/2 Corculum cardissa
     2/2 Corculum dionaeum
   4/8  Genus Ctenocardia : 6 Species 
     1/6 Ctenocardia excavata
     2/6 Ctenocardia fijiana
     3/6 Ctenocardia fornicata
     4/6 Ctenocardia lisae
     5/6 Ctenocardia pilbaraensis
     6/6 Ctenocardia virgo
   5/8  Genus Fragum : 12 Species 
     1/12 Fragum erugatum
     2/12 Fragum fragum
     3/12 Fragum funafutiense
     4/12 Fragum grasi
     5/12 Fragum loochooanum
     6/12 Fragum mundum
     7/12 Fragum nivale
     8/12 Fragum scruposum
     9/12 Fragum sueziense
     10/12 Fragum unedo
     11/12 Fragum vanuatuense
     12/12 Fragum whitleyi
   6/8  Genus Lunulicardia : 5 Species 
     1/5 Lunulicardia auricula
     2/5 Lunulicardia hemicardium
     3/5 Lunulicardia orlini
     4/5 Lunulicardia retusa
     5/5 Lunulicardia tumorifera
   7/8  Genus Microfragum : 4 Species 
     1/4 Microfragum festivum
     2/4 Microfragum gustavi
     3/4 Microfragum robillardi
     4/4 Microfragum subfestivum
   8/8  Genus Trigoniocardia : 2 Species 
     1/2 Trigoniocardia antillarum
     2/2 Trigoniocardia granifera
 5/10  Subfamily Laevicardiinae : 2 Genus 
   1/2  Genus Dinocardium : 1 Species 
     1/1 Dinocardium robustum
   2/2  Genus Laevicardium : 15 Species 
     1/15 Laevicardium angmagsalikense
     2/15 Laevicardium brasilianum
     3/15 Laevicardium castanea
     4/15 Laevicardium clarionense
     5/15 Laevicardium crassum
     6/15 Laevicardium elatum
     7/15 Laevicardium elenense
     8/15 Laevicardium johnjeffreysi
     9/15 Laevicardium mortoni
     10/15 Laevicardium oblongum
     11/15 Laevicardium pictum
     12/15 Laevicardium pristis
     13/15 Laevicardium serratum
     14/15 Laevicardium substriatum
     15/15 Laevicardium sybariticum
 6/10  Subfamily Lymnocardiinae : 5 Genus or Tribe 
   1/5  Tribe Acanthocardiini : 1 Genus 
     1/1  Genus Acanthocardia : 6 Species 
       1/6 Acanthocardia aculeata
       2/6 Acanthocardia deshayesii
       3/6 Acanthocardia echinata
       4/6 Acanthocardia paucicostata
       5/6 Acanthocardia spinosa
       6/6 Acanthocardia tuberculata
   2/5  Tribe Adacnini : 4 Genus 
     1/4  Genus Adacna : 4 Species 
       1/4 Adacna fragilis
       2/4 Adacna laeviuscula
       3/4 Adacna minima
       4/4 Adacna vitrea
     2/4  Genus Didacna : 9 Species 
       1/9 Didacna baeri
       2/9 Didacna barbotdemarnii
       3/9 Didacna eichwaldi
       4/9 Didacna longipes
       5/9 Didacna parallella
       6/9 Didacna profundicola
       7/9 Didacna protracta
       8/9 Didacna pyramidata
       9/9 Didacna trigonoides
     3/4  Genus Hypanis : 1 Species 
       1/1 Hypanis plicata
     4/4  Genus Monodacna : 7 Species 
       1/7 Monodacna acuticosta
       2/7 Monodacna albida
       3/7 Monodacna caspia
       4/7 Monodacna colorata
       5/7 Monodacna polymorpha
       6/7 Monodacna pontica
       7/7 Monodacna semipellucida
   3/5  Tribe Cerastodermatini : 1 Genus 
     1/1  Genus Cerastoderma : 2 Species 
       1/2 Cerastoderma edule
       2/2 Cerastoderma glaucum
   4/5  Genus Goethemia : 1 Species 
     1/1 Goethemia elegantula
   5/5  Tribe Parvicardiini : 2 Genus 
     1/2  Genus Papillicardium : 5 Species 
       1/5 Papillicardium minimum
       2/5 Papillicardium omanense
       3/5 Papillicardium papillosum
       4/5 Papillicardium simile
       5/5 Papillicardium turtoni
     2/2  Genus Parvicardium : 9 Species 
       1/9 Parvicardium carrozzai
       2/9 Parvicardium exiguum
       3/9 Parvicardium hauniense
       4/9 Parvicardium pinnulatum
       5/9 Parvicardium scabrum
       6/9 Parvicardium scriptum
       7/9 Parvicardium subangulatum
       8/9 Parvicardium trapezium
       9/9 Parvicardium vroomi
 7/10  Subfamily Nemocardiinae : 6 Genus 
   1/6  Genus Frigidocardium : 10 Species 
     1/10 Frigidocardium centumliratum
     2/10 Frigidocardium eos
     3/10 Frigidocardium exasperatum
     4/10 Frigidocardium helios
     5/10 Frigidocardium iris
     6/10 Frigidocardium kiranum
     7/10 Frigidocardium sancticaroli
     8/10 Frigidocardium thaanumi
     9/10 Frigidocardium torresi
     10/10 Frigidocardium valdentatum
   2/6  Genus Keenaea : 2 Species 
     1/2 Keenaea centifilosa
     2/2 Keenaea samarangae
   3/6  Genus Lophocardium : 2 Species 
     1/2 Lophocardium annettae
     2/2 Lophocardium cumingii
   4/6  Genus Microcardium : 17 Species 
     1/17 Microcardium aequiliratum
     2/17 Microcardium gilchristi
     3/17 Microcardium lukasi
     4/17 Microcardium morrisoni
     5/17 Microcardium panamense
     6/17 Microcardium pazianum
     7/17 Microcardium peramabile
     8/17 Microcardium pseudocancellatum
     9/17 Microcardium pseudonomurai
     10/17 Microcardium roelofi
     11/17 Microcardium sakuraii
     12/17 Microcardium scabrosum
     13/17 Microcardium simillimum
     14/17 Microcardium tenuilamellosum
     15/17 Microcardium tinctum
     16/17 Microcardium trapezoidale
     17/17 Microcardium velatum
   5/6  Genus Nemocardium : 5 Species 
     1/5 Nemocardium australojaponicum
     2/5 Nemocardium bechei
     3/5 Nemocardium enigmaticum
     4/5 Nemocardium fulvum
     5/5 Nemocardium probatum
   6/6  Genus Pratulum : 3 Species 
     1/3 Pratulum occidentale
     2/3 Pratulum pulchellum
     3/3 Pratulum thetidis
 8/10  Subfamily Orthocardiinae : 4 Genus 
   1/4  Genus Afrocardium : 3 Species 
     1/3 Afrocardium exochum
     2/3 Afrocardium richardi
     3/3 Afrocardium shepstonense
   2/4  Genus Discors : 1 Species 
     1/1 Discors multipunctatum
   3/4  Genus Freneixicardia : 1 Species 
     1/1 Freneixicardia victor
   4/4  Genus Lyrocardium : 4 Species 
     1/4 Lyrocardium aeolicum
     2/4 Lyrocardium anaxium
     3/4 Lyrocardium aurantiacum
     4/4 Lyrocardium lyratum
 9/10  Subfamily Trachycardiinae : 7 Genus 
   1/7  Genus Acrosterigma : 31 Species 
     1/31 Acrosterigma amirante
     2/31 Acrosterigma attenuatum
     3/31 Acrosterigma biradiatum
     4/31 Acrosterigma burchardi
     5/31 Acrosterigma capricorne
     6/31 Acrosterigma cygnorum
     7/31 Acrosterigma dianthinum
     8/31 Acrosterigma discus
     9/31 Acrosterigma extremattenuatum
     10/31 Acrosterigma hobbsae
     11/31 Acrosterigma howense
     12/31 Acrosterigma impolitum
     13/31 Acrosterigma kerslakae
     14/31 Acrosterigma maculosum
     15/31 Acrosterigma magnum
     16/31 Acrosterigma marielae
     17/31 Acrosterigma mauritianum
     18/31 Acrosterigma oxygonum
     19/31 Acrosterigma pristipleura
     20/31 Acrosterigma profundum
     21/31 Acrosterigma punctolineatum
     22/31 Acrosterigma selene
     23/31 Acrosterigma seurati
     24/31 Acrosterigma simplex
     25/31 Acrosterigma sorenseni
     26/31 Acrosterigma suluanum
     27/31 Acrosterigma transcendens
     28/31 Acrosterigma triangulare
     29/31 Acrosterigma uniornatum
     30/31 Acrosterigma variegatum
     31/31 Acrosterigma zamboangaense
   2/7  Genus Dallocardia : 4 Species 
     1/4 Dallocardia delicatula
     2/4 Dallocardia muricata
     3/4 Dallocardia quadragenaria
     4/4 Dallocardia radula
   3/7  Genus Mexicardia : 1 Species 
     1/1 Mexicardia procera
   4/7  Genus Papyridea : 8 Species 
     1/8 Papyridea aspersa
     2/8 Papyridea clenchi
     3/8 Papyridea crockeri
     4/8 Papyridea curvicostata
     5/8 Papyridea hiulca
     6/8 Papyridea lata
     7/8 Papyridea semisulcata
     8/8 Papyridea soleniformis
   5/7  Genus Phlogocardia : 1 Species 
     1/1 Phlogocardia belcheri
   6/7  Genus Trachycardium : 3 Species 
     1/3 Trachycardium consors
     2/3 Trachycardium egmontianum
     3/3 Trachycardium isocardia
   7/7  Genus Vasticardium : 40 Species 
     1/40 Vasticardium albopacificum
     2/40 Vasticardium angulatum
     3/40 Vasticardium assimile
     4/40 Vasticardium berschaueri
     5/40 Vasticardium compunctum
     6/40 Vasticardium coralense
     7/40 Vasticardium dupuchense
     8/40 Vasticardium elongatum
     9/40 Vasticardium enode
     10/40 Vasticardium fidele
     11/40 Vasticardium flavum
     12/40 Vasticardium fultoni
     13/40 Vasticardium hawaiense
     14/40 Vasticardium hyllebergi
     15/40 Vasticardium indioceanum
     16/40 Vasticardium insulare
     17/40 Vasticardium jorgeni
     18/40 Vasticardium lacunosum
     19/40 Vasticardium luteomarginatum
     20/40 Vasticardium marerubrum
     21/40 Vasticardium mendanaense
     22/40 Vasticardium mindanense
     23/40 Vasticardium neokenyanum
     24/40 Vasticardium ngai
     25/40 Vasticardium okinawaense
     26/40 Vasticardium orbita
     27/40 Vasticardium papuanum
     28/40 Vasticardium pectiniforme
     29/40 Vasticardium philippinense
     30/40 Vasticardium rhegminum
     31/40 Vasticardium rubicundum
     32/40 Vasticardium serricostatum
     33/40 Vasticardium sewelli
     34/40 Vasticardium somnueki
     35/40 Vasticardium subassimile
     36/40 Vasticardium subrugosum
     37/40 Vasticardium terpoorteni
     38/40 Vasticardium thomassini
     39/40 Vasticardium vertebratum
     40/40 Vasticardium wilsoni
 10/10  Subfamily Tridacninae : 2 Genus 
   1/2  Genus Hippopus : 2 Species 
     1/2 Hippopus hippopus
     2/2 Hippopus porcellanus
   2/2  Genus Tridacna : 10 Species 
     1/10 Tridacna crocea
     2/10 Tridacna derasa
     3/10 Tridacna elongatissima
     4/10 Tridacna gigas
     5/10 Tridacna maxima
     6/10 Tridacna mbalavuana
     7/10 Tridacna noae
     8/10 Tridacna rosewateri
     9/10 Tridacna squamosa
     10/10 Tridacna squamosina
297 Species in Cardiidae 

(Extraits de WoRMS de octobre 2025)
NB: status "accepted" et "extant, not fossile-only"