Betekenis van:
porifera

Voorbeeldzinnen

1. Coralligenous is a collective term for a very complex biogenic structure given by the continuous overlapping over a pre-existent rocky or hard substratum of calcareous strata mainly deriving from the building activity of encrusting calcareous coralline red algae and animal organisms such as Porifera, ascidians, cnidarians (horny corals, seafans, etc.), bryozoans, serpulids and annelids, together with other limestone-fixer organisms;