Type species: Pustulopora proboscidea Milne-Edwards, 1838
Mecynoecia now included in the Entalophoridae (Taylor & McKinney, 2006)
This genus includes the species:
| Mecynoecia proboscidea | (Milne-Edwards, 1838) | Tertiary | Europe |
| Mecynoecia proboscideoides | (Gabb & Horn, 1862) | Neogene Recent |
USA, Caribbean West Atlantic |
| Mecynoecia? exterogemma | Taylor & McKinney, 2006 | Cretaceous Maastrichtian | USA N.Carolina, Georgia |
| Mecynoecia kaimi | Zatoń & Taylor, 2010 | Middle Jurassic Bathonian | Poland |
(Many more species yet to be added)