- Cosmarium alatum
- Cosmarium amoenum
- Cosmarium anceps
- Cosmarium angulare
- Cosmarium angulosum
- Cosmarium aphanichondrum
- Cosmarium arctoum
- Cosmarium asphaerosporum
- Cosmarium baileyi
- Cosmarium bigranulatum
- Cosmarium bimarginatum
- Cosmarium binum
- Cosmarium bioculatum
- Cosmarium bireme
- Cosmarium biretum
- Cosmarium blyttii
- Cosmarium botrytis
- Cosmarium brebissonii
- Cosmarium broomei
- Cosmarium caelatum
- Cosmarium calcareum
- Cosmarium calodermum
- Cosmarium circulare
- Cosmarium clippertonensis
- Cosmarium comissurale
- Cosmarium connatum
- Cosmarium conspersum
- Cosmarium contractum
- Cosmarium corbula
- Cosmarium crenatum
- Cosmarium cucumis
- Cosmarium cucurbita
- Cosmarium cyclicum
- Cosmarium cylindricum
- Cosmarium debaryi
- Cosmarium decedens
- Cosmarium demangeonii
- Cosmarium dentatum
- Cosmarium depressum
- Cosmarium difficile
- Cosmarium dovrense
- Cosmarium elegantissimum
- Cosmarium fontigenum
- Cosmarium formosulum
- Cosmarium galeritum
- Cosmarium geometricum
- Cosmarium globosum
- Cosmarium granatum
- Cosmarium hammeri
- Cosmarium holmiense
- Cosmarium humile
- Cosmarium impressulum
- Cosmarium isthmochondrum
- Cosmarium kjellmani
- Cosmarium laeve
- Cosmarium leiodermum
- Cosmarium lortetianum
- Cosmarium lundellii
- Cosmarium margaritatum
- Cosmarium margaritiferum
- Cosmarium maximum
- Cosmarium medioscrobiculatum
- Cosmarium meneghinii
- Cosmarium moniliforme
- Cosmarium monochrondrum
- Cosmarium naegelianum
- Cosmarium nitidulum
- Cosmarium nodosum
- Cosmarium norimbergense
- Cosmarium notabile
- Cosmarium nymannianum
- Cosmarium obliquum
- Cosmarium obsoletum
- Cosmarium obtusatum
- Cosmarium ochthodes
- Cosmarium ornatulum
- Cosmarium ornatum
- Cosmarium ovale
- Cosmarium pachydermum
- Cosmarium parvulum
- Cosmarium pericymatium
- Cosmarium phaseolus
- Cosmarium plicatum
- Cosmarium pluviale
- Cosmarium pokornyanum
- Cosmarium polonicum
- Cosmarium polygonum
- Cosmarium polymorphum
- Cosmarium porrectum
- Cosmarium porteanum
- Cosmarium portianum
- Cosmarium praecisum
- Cosmarium praemorsum
- Cosmarium pseudarctoum
- Cosmarium pseudobotrytis
- Cosmarium pseudoconnatum
- Cosmarium pseudonitidulum
- Cosmarium pseudoprotuberans
- Cosmarium pseudopyramidatum
- Cosmarium pseudoretusum
- Cosmarium punctatum
- Cosmarium punctulatum
- Cosmarium pusillum
- Cosmarium pygmaeum
- Cosmarium pyramidatum
- Cosmarium quadratulum
- Cosmarium quadratum
- Cosmarium quadrum
- Cosmarium quarternarium
- Cosmarium quaternarium
- Cosmarium quinarium
- Cosmarium ralfsii
- Cosmarium recedens
- Cosmarium rectangulare
- Cosmarium regnellii
- Cosmarium regnesii
- Cosmarium reniforme
- Cosmarium repandum
- Cosmarium rupestre
- Cosmarium salinum
- Cosmarium schleiphackeanum
- Cosmarium scopularum
- Cosmarium septentrionale
- Cosmarium sexnotatum
- Cosmarium silesiacum
- Cosmarium speciosum
- Cosmarium sportella
- Cosmarium subcostatum
- Cosmarium subcrenatum
- Cosmarium subcucumis
- Cosmarium subprotumidum
- Cosmarium subquadratum
- Cosmarium subspeciosum
- Cosmarium substriatum
- Cosmarium subtumidum
- Cosmarium subundulatum
- Cosmarium tenue
- Cosmarium tetrachondrum
- Cosmarium tetragonum
- Cosmarium tetraophtalmum
- Cosmarium tetraophthalmum
- Cosmarium tinctum
- Cosmarium trafalgaricum
- Cosmarium trilobulatum
- Cosmarium triplicatum
- Cosmarium truncatellum
- Cosmarium tumidum
- Cosmarium turpinii
- Cosmarium undulatum
- Cosmarium venustum
- Cosmarium vogesiacum