ascidian


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Related to ascidian: Urochordata, tunicate, ascidian tadpole, amphioxus, bryozoan

ascidian:

see ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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; tunicatetunicate
, marine animal of the phylum Chordata, which also includes the vertebrates. The adult form of most tunicates (also called urochordates) shows no resemblance to vertebrate animals, but such a resemblance is evident in the larva.
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References in periodicals archive ?
Several of the ascidian genera on South Padre Island have been the source of many novel chemical compounds, including some with possible therapeutic properties, including Didemnum (Kang & Fenical 1997; Smith et al.
6] demonstrated the molecular weight of protein from hemolymph (43 kDa) of the solitary ascidian Styela plicata from Australian waters.
More important, we contend that the mucous structure does not function as a filter, such as that on the branchial basket of ascidians.
Other ascidian species, such as Ciona intestinalis and Botryllus schlosseri, have expanded their range into Atlantic Canada (LeGresley et al.
Agreements, Ascidian will have no interest in the Faustus Royalty or
Identification of a novel leucine-rich repeat protein as a component of flagellar radial spoke in the ascidian Ciona intestinalis.
The relative energetic costs of the larval period, larval swimming and metamorphosis for the ascidian Diplosoma listerianum.
On plates with no cleaning, ascidian cover reached 60%, particularly on tiles below MLLW, and barnacle cover exceeded 60% at some sites.
Feeding preference of Strongylocentrotus droebachiensis (Echinoidea) for a dominant native ascidian, Aplidium glabrum, relative to the invasive ascidian Botrylloides violaceus.
Invertebrate taxonomic groups of importance to belugas that are also eaten by walrus and bearded seals include polychaetes, gastropods, bivalves, octopi, mysiids, isopods, amphipods, shrimp, crabs, echiuriids, and ascidians (Lowry et al.