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Ascidiacea, commonly known as the ascidians or sea squirts, is a paraphyletic class in the subphylum Tunicata of sac-like marine invertebrate filter feeders. [2] Ascidians are characterized by a tough outer test or "tunic" made of the polysaccharide cellulose. Ascidians are found all over the world, usually in shallow water with salinities over ...
1 Characteristics. 2 Taxonomy. 3 References. ... Phlebobranchia is an order of sea squirts in the class Ascidiacea, [1] first described by Fernando Lahille in 1886. [2]
Tunicates are a subphylum of the Chordata and occupy a diverse range of marine habitats such as shallow water, near shore, open ocean, and the deep sea. [1] Tunicates are invertebrates, and their bodies are surrounded by a tunic resembling cartilage, composed of proteins, carbohydrates, and tunicin, with thickness ranging from thin and delicate to transparent and gelatinous. [2]
Aplidium elegans colony is made up of a couple different parts. [4] The zooid is the individual animal, and in a colony, there are multiple zooids. [4] The colony has a test or tunica which is a thick layer secreted by the mantle, containing cellulose and protecting the animal. [4]
Ascidiacea: Order: Aplousobranchia: Family: Pseudodistomidae Harant, 1931: Pseudodistomidae is a family of tunicates belonging to the order Aplousobranchia. [1 ...
Image credits: iheartgardening5 Cats have a special organ, called the Jacobson’s organ, located on the roof of their mouth. This helps them detect pheromones and other scent-based information ...
The loss was difficult to fathom in Detroit following a 15-2 regular season that pegged the Lions as the favorites to advance to the Super Bowl out of the NFC.
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