Cellanthus hailei- Elphidium aculeatum
- Elphidium advenum
- Elphidium africanum
- Elphidium aguafrescaense
- Elphidium alaskense
- Elphidium albanii
- Elphidium alvarezianum
- Elphidium argenteum
- Elphidium articulatum
- Elphidium asiaticum
- Elphidium asklundi
- Elphidium australis
- Elphidium bartletti
- Elphidium batavum
- Elphidium batialis
- Elphidium biperforatus
- Elphidium californicum
- Elphidium cariacoense
- Elphidium carteri
- Elphidium cercadense
- Elphidium chapmani
- Elphidium charlottense
- Elphidium chilenum
- Elphidium collinsi
- Elphidium complanatum
- Elphidium compressulum
- Elphidium concinnum
- Elphidium costiferum
- Elphidium crassatum
- Elphidium craticulatum
- Elphidium crespinae
- Elphidium crispum
- Elphidium culebrense
- Elphidium cuvillieri
- Elphidium cynicalis
- Elphidium decipiens
- Elphidium delicatulum
- Elphidium discoidale
- Elphidium dominicense
- Elphidium earlandi
- Elphidium elegantum
- Elphidium ellisi
- Elphidium eocenicum
- Elphidium excavatum
- Elphidium excubitor
- Elphidium exoticum
- Elphidium fastigiatum
- Elphidium fax
- Elphidium fichtelianum
- Elphidium fijiense
- Elphidium fimbriatulum
- Elphidium flexuosum
- Elphidium florentinae
- Elphidium formosum
- Elphidium frigidum
- Elphidium frizzelli
- Elphidium galvestonense
- Elphidium georgianum
- Elphidium gibsoni
- Elphidium glabratum
- Elphidium goesi
- Elphidium granti
- Elphidium granulosum
- Elphidium groenlandicum
- Elphidium guraboensis
- Elphidium haagensis
- Elphidium hallandense
- Elphidium hampdenense
- Elphidium hauerinum
- Elphidium hiltermanni
- Elphidium hispidulum
- Elphidium howchini
- Elphidium hughesi
- Elphidium hyalocostatum
- Elphidium ibericum
- Elphidium indicum
- Elphidium ingressans
- Elphidium johnstonae
- Elphidium kaicherae
- Elphidium kanoum
- Elphidium karenae
- Elphidium kerguelenense
- Elphidium koeboeense
- Elphidium kusiroense
- Elphidium laeve
- Elphidium lanieri
- Elphidium latidorsatum
- Elphidium latispatium
- Elphidium lauritaense
- Elphidium lene
- Elphidium lens
- Elphidium leonensis
- Elphidium lessonii
- Elphidium limatulum
- Elphidium lobatum
- Elphidium macellum
- Elphidium maorium
- Elphidium margaritaceum
- Elphidium marshallana
- Elphidium matagordanum
- Elphidium matanginuiense
- Elphidium matauraense
- Elphidium matsukawauraense
- Elphidium mexicanum
- Elphidium microgranulosum
- Elphidium minutum
- Elphidium morenoi
- Elphidium mundulum
- Elphidium nautiloideum
- Elphidium neocrespinae
- Elphidium neosimplex
- Elphidium nigarense
- Elphidium norvangi
- Elphidium novozealandicum
- Elphidium oceanense
- Elphidium oceanicum
- Elphidium omotoensis
- Elphidium ortenbergense
- Elphidium owenianum
- Elphidium panamense
- Elphidium patagonicum
- Elphidium primum
- Elphidium pseudoinflatum
- Elphidium pseudolessonii
- Elphidium pseudonodosum
- Elphidium puertoricense
- Elphidium pulvereum
- Elphidium pustulosum
- Elphidium reginum
- Elphidium reticulosum
- Elphidium rolshauseni
- Elphidium rota
- Elphidium rugosum
- Elphidium rugulosum
- Elphidium saginatum
- Elphidium sagrum
- Elphidium sandiegoense
- Elphidium schencki
- Elphidium semistriatum
- Elphidium seymourense
- Elphidium silvestrii
- Elphidium simaense
- Elphidium simulatum
- Elphidium singaporense
- Elphidium skyringense
- Elphidium smithi
- Elphidium somaense
- Elphidium spinatum
- Elphidium strattoni
- Elphidium striatopunctatum
- Elphidium subarticum
- Elphidium subcarinatum
- Elphidium subincertum
- Elphidium subinflatum
- Elphidium subnodosum
- Elphidium subsphaericum
- Elphidium taiwanum
- Elphidium tikutoensis
- Elphidium tongaense
- Elphidium translucens
- Elphidium tumidum
- Elphidium twiggsanum
- Elphidium ustulatum
- Elphidium varium
- Elphidium vavauense
- Elphidium vellai
- Elphidium vitreum
- Elphidium voorthuyseni
- Elphidium waddense
- Polystomella chipolensis
- Polystomella cryptostoma
- Polystomella inflata