Aspidiscus cristatus from the Cenomanian (Upper Cretaceous) of southern Palestine; oral view.
Aspidiscus cristatus from the Cenomanian (Upper Cretaceous) of southern Palestine; aboral view.
FFS Table bottom
Anthozoa
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Anthozoa is one of the three subphyla of Cnidaria, along with Medusozoa and Endocnidozoa. It includes sessile marine invertebrates and invertebrates of brackish water, such as sea anemones, stony cora
Hexacorallia
…Zoantharia; older synonyms: Hexacoralla, Hexaradiata, Hexactinia, Actinanthida; in English: hexacorals, hexacorallians, zoantharians) is a class of Anthozoa. Both names, i. e. Hexacorallia and Zoantharia, and their English equivalents, also have narrower meanings - see below in the chapter Taxonomy. The…
Coral Outcrop Flynn Reef
Reef 2095 Flickr NOAA Photo Library
Deep water corals serve as habitats for fish such as the alfonsino
Anatomy of a stony coral polyp