(Modiomorpha_concentrica,((Permophorus_sp,(Curionia_gracilis,Curionia_paranai)),((Septocardia_crenata,Septocardia_pichleri),(Eodon_tenuistriata,(Myophoriopis_carinata,(Cyclocardia_Cyclocardia_borealis,Cardites_crassicostata,(Protocardia_Protocardia_morinica,Protocardia_Pachycardium_stantoni,Lahillia_larseni,Pleuriocardia_Dochmocardia_vaughni,Hemidonax_donaciformis,(Nemocardium_Nemocardium_cooperi,Nemocardium_Nemocardium_diversum,(Laevicardium_laevigatum,(Laevicardium_biradiatium,Fulvia_racketti)),(Nemocardium_Nemocardium_nicolletti,(Nemocardium_Nemocardium_turgidum,Nemocardium_Microcardium_peramibilis,Nemocardium_Keenaea_centifilosum))),(Profragum_praecurrens,(Trachycardium_isocardia,Trachycardium_muricatum,Trachycardium_procerum,Trachycardium_quadragenarium,(Trachycardium_eversum,(((Dinocardium_robustum,(Cardium_costatum,(Vepricardium_asiaticum,Vepricardium_multispinosum,Vepricardium_sinense))),(((Acanthocardia_Acanthocardia_aculeata,Acanthocardia_Rudicardium_tuberculata),(Cerastoderm_edule,Cerastoderma_glaucum)),(Clinocardium_nuttallii,Serripes_groenlandicus),((Parvicarrdium_pinnulatum,(Americardia_media,(Corculum_cardissa,Lunulicardia_retusa))),(Ctenocardia_imbricata,Trigoniocardia_granifera)),(Tridacna_Chametrachea_crocea,Hippopus_hippopus))),(Loxocardium_obliquum,(Agnocardia_Agnocardia_sp,Agnocardia_Afrocardium_exocha))),(Papyridea_soleniformis,Trachycardium_elongatum,Trachycardium_leucostomum)))))),(Astartella_newberryi,Asartella_vera))))));