Echinoidea: Order Holasteroida (Irregular Sea Urchins)

• Calymnidae
• Carnarechinidae
• Corystusidae
• Plexechinidae
• Pourtalesiidae
• Urechinidae

Family: Calymnidae

Genus and Selected Species	Image
Calymne relicta
Sternopatagus habanensis

Family: Carnarechinidae

Genus and Selected Species	Image
Carnarechinus clypeatus

Family: Corystusidae

Genus and Selected Species	Image
Corystus dysasteroides

Family: Plexechinidae

Genus and Selected Species	Image
Plexechinus nordens

Family: Pourtalesiidae

Genus and Selected Species	Image
Ceratophysa ceratopyga
Cystocrepis setigera
Echinocrepis cuneata
Echinosigra phiale
Helgocystis carinata
Pourtalesia miranda
Rictocystis jensenae
Solenocystis imitans
Spatagocystis challengeri

Family: Urechinidae

Genus and Selected Species	Image
Antrechinus nordenskjoldi
Cystechinus giganteus
Pilematechinus vesica
Urechinus naresianus

Back to top of this page

Back to home page