Chordata


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Related to Chordata: Mammalia, Urochordata, Vertebrata

Chordata

 [kor-da´tah]
a phylum of the animal kingdom comprising all animals having a notochord during some developmental stage.

Chor·da·ta

(kor-dā'tă),
The phylum that includes the vertebrates, defined by possession of: 1) a single dorsal nerve cord (the brain and spinal cord of mammals); 2) a cartilaginous rod, the notochord, which forms dorsal to the primitive gut in the early embryo, and is surrounded and replaced by the vertebral column in the subphylum vertebrata; and 3) by presence at some stage in development of gill slits in the pharynx or throat.
[L. chorda, fr. G. chordē, a string]

Chordata

/Chor·da·ta/ (kor-dāt´ah) a phylum of the animal kingdom comprising all animals having a notochord during some developmental stage.

Chor·da·ta

(kōr-dā'tă)
The phylum that includes the vertebrates, defined by possession of 1) a single dorsal nerve cord (the brain and spinal cord of mammals); 2) a cartilaginous rod, the notochord, which forms dorsal to the primitive gut in the early embryo and is surrounded and replaced by the vertebral column in the subphylum vertebrata; and 3) the presence at some stage in development of gill slits in the pharynx or throat.
[L. chorda, fr. G. chordē, a string]

Chordata

a phylum of the animal kingdom comprising all animals having a notochord during some developmental stage.
References in periodicals archive ?
Since echinoderms share deuterstome ancestry with the Phylum Chordata, it is of particular interest to examine the recently decoded genome of the sea urchin (Sea Urchin Genome Sequencing Consortium 2006).
Podocnemis unifilis (tracaja), quelonio da fauna brasileira, pertencente ao filo Chordata, ao subfilo Vertebrata, a superclasse Tetrapoda, a classe Reptilia e a ordem Chelonia (MORANDINI, 1968; RENNER; CUNHA, 1969; BENZZONI, 1972; ROMER, 1973; GRASSE, 1978; ZISWILLER, 1978; ZISWILLER, 1980; ROMER; PARSONS, 1985; ORR, 1986; AMABIS; MARTHO, 1990; POUGH et al.
Kingdom Animalia Phylum Chordata Class Chondrichthyes Subclass Elasmobranchii Superorder Batoideo OrderRajiformes Families Anacanthobatidae Plesiobatidae Dasyatidae Potamotrygonidae Gymnuridae Rajidae Hexatrygonidae Rhinobatidae Myliobatidae Urolophiidae Table 2: Antibiotics used in the treatment of uncomplicated infections and wound prophylaxis.
The [chi square] contingency tables were used to evaluate the possible differences in the prey items clustered by phylum (Arthropoda, Chordata, and Mollusca) among locations.
Phylum *: Chordata Animals in the chordata phylum have spinal cords.
Sharks are part of the Kingdom Animalia, the Phylum Chordata, and the subphylum Vertebrata, just like humans and "bony" fish.
Like humans, amphioxus falls in the phylum Chordata.
When most of these students are asked to name different animals and plants, their responses are almost exclusively members of two phyla: chordata and angiospermae.
Location(s) Solitary or Taxon collected Colonial Phylum Chordata Subphylum Tunicata Class Ascidiacea Order Aplousobranchia Family Didemnidae Didemnum psammathodes b Colonial Didemnum duplicatum b, c Colonial Diplosoma listerianum b Colonial Lissoclinum fragile a, b Colonial Family Polyclinidae Polyclinum constellatum b, e Colonial Family Clavelinidae Clavelina oblonga d Colonial Order Phlebobranchia Family Perophoridae Perophora sp.
To test the possibility that the failure to obtain amplification with the COIII/ND3 primers was due to morphological misidentification of an Oncorhynchus species we used the 16s primers that are conserved across a broad set of taxa from Platyhelminthes through Chordata (Parker and Kornfield, 1996).
The phylum Chordata, which includes all fish, birds, and mammals, contains around 45,000 (3%) species of which only 4,000 (0.