- 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, a dorsal hollow nerve cord, and paired pharyngeal gill slits.biologynotesonline.com/urochordata/
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Subphylum Urochordata | SeaNet
WEBPhylum Chordata, Subphylum Urochordata, Class Ascidiacea, Order Aplousobranchia, Family Clavelinidae Colonial tunicate; zooids tiny (1-2 mm); transparent with bright orange branchial basket. Base of colony …
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Introduction to the Urochordata - University of …
WEBUrochordata, also known as Tunicata or sea squirts, are simple chordates with a sack-like body and two siphons. They have a free-swimming larva with chordate features, and some are pelagic salps. Learn about their …
A tunicate is a marine invertebrate animal, a member of the subphylum Tunicata . It is part of the Chordata, a phylum which includes all animals with dorsal nerve cords and notochords (including vertebrates). The subphylum was at one time called Urochordata, and the term urochordates is still sometimes used for these animals. They are the only chordates that have lost their myomeric segmentati…
Wikipedia · Tekst onder CC-BY-SA-licentieWEB6 dagen geleden · Ascidians (Phylum: Chordata, Class: Ascidiacea), or sea squirts, are the largest and most diverse class of the sub-phylum Tunicata (also known as Urochordata). …
Sub-phylum Urochordata: Definition, Characteristics, Classification
WEB23 nov. 2023 · Sub-phylum Urochordata represents the animals that have notochord only at their larval stage and can exhibit retrogressive metamorphosis, the formation of …
WEB7 nov. 2014 · Chordates consist of three distinct animal groups: cephalochordates, urochordates (tunicates) and vertebrates. This review starts with a brief description of how the Phylum Chordata and its three …
Sea squirt | Tunicate, Filter Feeding & Reproduction
WEBSea squirts are marine animals with some primitive vertebrate features, belonging to the invertebrate class Ascidiacea (subphylum Urochordata, also called Tunicata). They have a protective tunic, two …
Tunicate | Anatomy, Habitat & Adaptations | Britannica
WEBTunicate, 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 world. …
WEBTunicates or urochordates (Gittenberger and Sanamyan, 2017) form a subphylum of the phylum Chordata and are considered the closest relatives of vertebrates (Delsuc et al., …
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