The calcareous skeletons and shells of corals, mussels, snails and calcareous algae are important constituents of tropical reef islands.

Fossil remains of tiny calcareous algae not only provide information about the end of the dinosaurs, but also show how the oceans recovered after the fatal asteroid impact.

"Coralline algae are calcareous algae that are very common nowadays, although unknown to the general public, including naturalists, and quite often in fossil form, particularly in relatively ...

THE very important memoir of M. Munier-Chalmas, “Sur les Algues calcaires appartenant au groupe des Dasycladées Harv. et confondues avec les Foraminifères,” which was published in the ...

They are algae named after the little holes – foramina in Latin – that many species have in their tiny shells. “Those calcareous shells appear to be a typical case of so-called convergent ...

Seaweeds also fill in the nooks and crannies on coral reefs fish and other marine life use for shelter. In the Caribbean, the calcareous green algae Halimeda is taking over many reefs. Few animals ...

"Some of the algae lineages in the experiment showed an extremely rapid change in their ecological fitness. We did not expect that to happen," says lead author Dr. Lennart Bach from GEOMAR.

The calcareous skeletons and shells of corals, mussels, snails and calcareous algae are important constituents of tropical reef islands. Their sediments form the substance of reef islands and keep ...