Coralline algae are red algae in the Family Corallinaceae characteriuzed by a thallus covered with calcareous deposits. Many are typically encrusting and rock-like, found in tropical marine waters as on coral reefs. Colors are most typically pink or some other shade of red, but may be purple or even gray-green. Some echinoderms, (sea stars, and sea urchins) feed on coralline algae. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Divisions Green algae land plants (embryophytes) non-vascular embryophytes Hepatophyta - liverworts Anthocerophyta - hornworts Bryophyta - mosses vascular plants (tracheophytes) seedless vascular plants Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongue ferns seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering... Red algae Classes Florideophyceae Bangiophyceae Cyanidiophyceae The red algae are a large group of mostly multicellular, marine algae, including many notable seaweeds. ... Classes Florideophyceae Bangiophyceae Cyanidiophyceae The red algae (Rhodophyta, pronounced /ˈrəʊdÉ™(ÊŠ)ËŒfʌɪtÉ™/) are a large group of mostly multicellular, marine algae, including many notable seaweeds. ... Some of the biodiversity of a coral reef. ... Classes Asteroidea Concentricycloidea Crinoidea Echinoidea Holothuroidea Ophiuroidea Echinoderms (Echinodermata) is a phylum of marine animals found in the ocean at all depths. ... It has been suggested that this article or section be merged with User:Stellertony/Notepad/Sea_star. ... Slate pencil urchin (cidaroid) Group of black, long-spined Caribbean sea urchins, Diadema antillarum (Philippi) Sea urchin roe. ...

As a colorful component of live rock sold in the marine aquarium trade, coralline algae is desired in home aquariums for its aesthetic qualities. Live rock is a usually coralline rock with marine organisms living on or within the rock, and is a term used mainly in the aquarium trade. ... A Marine aquarium is an aquarium that keeps marine plants and animals in a contained environment. ...

See also

• Coralline for other organisms that resemble coral.

Coralline is a kind of hard, encrusting algae that is commonly found on coral reefs. ...

References

• ITIS Report for Corallinaceae