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  • Ascidiacea - Wikipedia
    There are 2,300 species of ascidians and three main types: solitary ascidians, social ascidians that form clumped communities by attaching at their bases, and compound ascidians that consist of many small individuals (each individual is called a zooid) forming large colonies
  • Sea Squirts (Ascidians): Oceans Organic Filters - Ocean Info
    Sea squirts, also called tunicates, are marine filter feeders that might surprise you with their hidden connection to humans Unlike their mobile relatives, adult sea squirts typically live a sessile (attached) lifestyle, often forming colonies on rocks, piers, or other underwater structures
  • Sea squirt | Tunicate, Filter Feeding Reproduction | Britannica
    In “social” colonial sea squirts the zooids are relatively independent, whereas in “compound” colonial ascidians budding gives rise to a colony in which the zooids are embedded in a common tunic
  • Sea squirts and sea tulips - The Australian Museum
    Sea squirts and sea tulips are collectively known as ascidians (Ancient Greek: askidion = wineskin), characterised by a tough outer “tunic” made of cellulose Ascidians are the evolutionary link between invertebrates and vertebrates
  • Ascidiacea World Database
    Ascidians (Phylum: Chordata, Class: Ascidiacea), or sea squirts, are the largest and most diverse class of the sub-phylum Tunicata (also known as Urochordata) They comprise approximately 3000 described species found in all marine habitats from shallow water to the deep sea
  • What is Ascidiacea? The Unique Biology of Sea Squirts
    Ascidians, commonly known as sea squirts, are a diverse group of marine invertebrates that often go unnoticed despite their widespread presence in ocean environments
  • Global Diversity of Ascidiacea - PMC
    Ascidians (Phylum Chordata, Class Ascidiacea), or sea squirts, are the largest and most diverse class of the sub-phylum Tunicata (also known as Urochordata) They comprise approximately 3000 described species found in all marine habitats from shallow water to the deep sea [1] – [3]
  • Ascidiacea - an overview | ScienceDirect Topics
    Ascidians, or sea squirts, are tunicates that diverged from the vertebrate lineage early in the chordate evolution The compact and simple organization of the ascidian genome makes this organism an ideal model system for analyzing gene regulatory networks in embryonic development
  • How to Identify Different Types of Ascidian in Marine Environments
    Ascidian, commonly known as sea squirts, are fascinating marine invertebrates that play vital roles in ocean ecosystems These sessile filter feeders belong to the subphylum Tunicata within the phylum Chordata, making them close relatives of vertebrates
  • An Introduction to Ascidians | Springer Nature Link
    Ascidians are exclusively marine prochordates belonging to the Class Ascidiace of the subphylum Urochordata There are both solitary and colonial forms with a sessile adult attached directly to hard substrates or fixed in sediments and a tailed, free-swimming larva





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