"Urochorda" is a word in ENGLISH

That division of the Mollusca which includes the bivalve shells, like the clams and oysters; -- so called because they …

A genus of small free-swimming Tunicata, shaped somewhat like a tadpole, and remarkable for resemblances to the larvae of other …

One of the Ascidioidea, or in a more general sense, one of the Tunicata. Also as an adj.

A group of Tunicata, often shaped like a two-necked bottle. The group includes, social, and compound species. The gill is …

A genus of simple ascidians, which formerly included most of the known species. It is sometimes used as a name …

A comprehensive division of animals including all Vertebrata together with the Tunicata, or all those having a dorsal nervous cord.

The division of Tunicata which includes the Salpae. See Salpa.

A fold of the endoderm, which projects into the blood cavity of ascidians. See Tunicata.

An order of Tunicata, including Appendicularia, and allied genera; -- so called because certain larval features are retained by them …

A visceral mass, containing the stomach and other organs, in Tunicata and some mollusks.

The pouch in which incubation takes place in some Tunicata.

A group of invertebrates including the Tunicata and Enteropneusta.

An ascidian. See Illust. under Tunicata.

One of the several primary divisions of either the animal, or vegetable kingdom, as, in zoology, the Vertebrata, Tunicata, Mollusca, …

A division of Tunicata including the common attached ascidians, both simple and compound. Called also Tethioidea.

A division of Tunicata comprising the free-swimming species, such as Salpa and Doliolum.

One of the Tunicata.

A grand division of the animal kingdom, intermediate, in some respects, between the invertebrates and vertebrates, and by some writers …

One of the Tunicata.

Having a tunic, or mantle; of or pertaining to the Tunicata.