Marine, fossil: Jurassic to Cretaceous (Sepkoski 2002) [details]
Marine, extant (?) + fossil: Tertiary to Recent (Sepkoski 2002) [details]
Marine, fossil: Silurian (Sepkoski 2002) [details]
Some species previously included in Charniodiscus; Charniodiscus listed in Rangeomorpha in Retallack, 2016, but ... [details]