2024年12月3日 · Tunicate, any member of the subphylum Tunicata (Urochordata) of the phylum Chordata. Small marine animals, they are found in great numbers throughout the seas of the …

A tunicate is an exclusively marine invertebrate animal, a member of the subphylum Tunicata (/ ˌ tj uː n ɪ ˈ k eɪ t ə / TEW-nih-KAY-tə). This grouping is part of the Chordata, a phylum which …

The Subphylum Urochordata includes a large number of species which exhibit high degree of biological diversities. The members are classified under three classes: Ascidiacea, Thaliacea …

2024年4月12日 · Urochordata, also referred to as Tunicates or Sea Squirts, is a subphylum of the Phylum Chordata, which encompasses animals characterized by the presence of a notochord, …

The Urochordata, sometimes known as the Tunicata, are commonly known as "sea squirts." The body of an adult tunicate is quite simple, being essentially a sack with two siphons through …

Subphylum Urochordata (Tunicata) The urochordates (“tail-chordates”), more commonly called tunicates, include about 3000 species. They are found in all seas from near shoreline to great …

2023年11月23日 · Sub-phylum Urochordata represents the animals that have notochord only at their larval stage and can exhibit retrogressive metamorphosis, the formation of colonies, and …

2025年1月22日 · Subphylum Tunicata (Urochordata) has about 2,600 species and is divided into the classes Ascidiacea, Appendicularia (Larvacea), and Thaliacea. Some authors put the …

Classification of Urochordata: This subphylum is divided into three classes — Ascidiacea, Thaliacea and Larvacea. The characters and examples of these classes are given here:

2018年6月11日 · Urochordata (sea squirts, tunicates; phylum Chordata) A subphylum that has a reliable fossil record from the Permian, and possible remains in Silurian sediments. …