Actinozoa Review
: The body consists of a central gastrovascular cavity divided by vertical partitions called mesenteries or septa. These mesenteries increase the surface area for digestion and support the gonads.
: Includes sea anemones and stony corals. They typically have tentacles and mesenteries in multiples of six. actinozoa
: Includes soft corals, sea pens, and sea fans. They strictly possess eight branched (pinnate) tentacles and eight mesenteries. Ecological Importance : The body consists of a central gastrovascular
: Unlike many other cnidarians (such as jellyfish), Actinozoans do not have a medusa (free-swimming) stage in their life cycle. They remain as polyps throughout their lives. They typically have tentacles and mesenteries in multiples
(now more commonly known as the class Anthozoa ) is a major group of marine invertebrates within the phylum Cnidaria . This class includes well-known sea creatures like sea anemones, stony corals, soft corals, and sea fans. Key Characteristics
Historically, Actinozoa was divided into two main groups based on their symmetry and tentacle count: