tunicates

См. также в других словарях:

• TUNICATES — populi Vindeliciae inter Augustam et Ratisbonam. Ptol. ubi rura Tunicatea, quorum meminit Poeta, Itiner. l. 5 …   Hofmann J. Lexicon universale

• Tunicate — Temporal range: Cambrian stage 3–Recent …   Wikipedia

• chordate — /kawr dayt/, Zool. adj. 1. belonging or pertaining to the phylum Chordata, comprising the true vertebrates and those animals having a notochord, as the lancelets and tunicates. n. 2. a chordate animal. [1885 90; see CHORDATA] * * * Any member of… …   Universalium

• tunicate — /tooh ni kit, kayt , tyooh /, n. 1. Zool. any sessile marine chordate of the subphylum Tunicata (Urochordata), having a saclike body enclosed in a thick membrane or tunic and two openings or siphons for the ingress and egress of water. adj. Also …   Universalium

• Chordate — Chordata Temporal range: Early Cambrian – Recent, 540–0 Ma …   Wikipedia

• Regional specification — In the field of developmental biology, regional specification is the process by which different areas are identified in the development of the early embryo. The process by which the cells become specified differs between organisms. Contents 1… …   Wikipedia

• cephalochordate — /sef euh loh kawr dayt/, adj. 1. belonging or pertaining to the Cephalochordata. n. 2. any chordate animal of the subphylum Cephalochordata, having fishlike characters but lacking a spinal column, comprising the lancelets. [ < NL Cephalochordata; …   Universalium

• Salp — Taxobox name = Salpida image width = 250px image caption = This image is the lobate ctenophore Leucothea pulchra and should be moved to Ctenophora. regnum = Animalia phylum = Chordata subphylum = Urochordata classis = Thaliacea ordo = Salpida… …   Wikipedia

• Larvacea — Taxobox name = Appendicularia regnum = Animalia phylum = Chordata subphylum = Urochordata classis = Appendicularia subdivision ranks = Families subdivision = Fritillariidae Kowalevskiidae OikopleuridaeThe Appendicularia, Larvaceans or KiK are a… …   Wikipedia

• Lancelet — Lancelets Lancelet (Branchiostoma lanceolatum) Scientific classification Kingdom: Animalia …   Wikipedia

• Ciona — intestinalis Scientific classification Kingdom: Animalia …   Wikipedia