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Topics related to "Subphylum"

notochord
notochord , in biology, supporting rod running most of the length of animals of the phylum Chordata and present at varying times in the life cycle. Composed of large cells packed within a firm connective tissue sheath, the notochord lies between the neural tube (spinal cord) and the gut. The divis... Read more
bushmaster
bushmaster large venomous snake, Lachesis muta, of Central America and N South America. It is a member of the pit viper family, which also includes the rattlesnake. The largest New World snake, it reaches a length of 8 to 12 ft (2.5-5.5 m). It is gray and brown, with a diamond pattern. Unlike m... Read more
buzzard
buzzard common name for hawks of the genus Buteo and the genus Pernis, or honey buzzard, of the Old World family Accipitridae. Honey buzzards feed on insects, wasp and bumblebee larvae, and small reptiles. The name buzzard is also incorrectly applied to various hawks and New World vultures, suc... Read more
caracal
caracal or Persian lynx, mammal of the family Felidae (cat family), native to Asia and Africa. It is reddish brown with black-tufted ears. Its total length is about 3 1/4 ft (105 cm). It preys on small deer, hares, birds, and other animals. Active mainly at twilight, it will hunt during the ... Read more
junco
junco or snowbird, small seed-eating bird of North America closely related to the sparrows . Juncos have white underparts and gray (sometimes also brown) backs. They travel in flocks. The dark-eyed junco is the most common species, comprising in E North America the subgroup sometimes called th... Read more
killdeer
killdeer common North American shorebird related to the plover and the sandpiper . It is about 10 in. (25 cm) in length and its plumage is grayish brown with a double black band across a white breast. Its simple nest is a depression in the soil or gravel. The killdeer is classified in the phylum... Read more
nuthatch
nuthatch , common name applied to a number of Old and New World species of small birds of the genus Sitta, related to the titmouse and the creeper. The name refers to its habit of wedging nuts into crevices in trees and pecking them open. Nuthatches are unique in that they climb down tree trunks h... Read more
osprey
osprey , common name for a bird of prey related to the hawk and the New World vulture and found near water in most parts of the world. The American osprey, or fish hawk, Pandion haliaetus, has white underparts and a wingspread of 5 to 6 ft (152 to 183 cm). It feeds solely on live fish and is usual... Read more
ovenbird
ovenbird common name for a member of the family Furnariidae, primitive passerine birds, which build elaborate, domed nests of clay or dig tunnels in the ground to lay their eggs. Ovenbirds are most common in South America, where most are forest dwellers, although a few species are found on the coas... Read more
rook
rook term used for a common Eurasian bird (genus Corvus ) of the family Corvidae ( Crow family), smaller than the American crow. The jackdaw is a European species of the genus. Rooks nest in large colonies, whence the term rookery. They are classified in the phylum Chordata , subphylum Vertebr... Read more

Encyclopedia entries related to "Subphylum"

Chordata
Book article from: The Columbia Encyclopedia, Sixth Edition ...vertebrates—animals of the subphylum Vertebrata—a backbone...sometimes been considered a chordate subphylum, but is now often classified in...of its own, the Hemichordata . Subphylum Urochordata The tunicates are marine...
notochord
Book article from: The Columbia Encyclopedia, Sixth Edition ...life in which it is present: In the subphylum Urochordata (tunicates) the notochord...does not extend into the head; in the subphylum Cephalochordata (lancelets) the notochord...in both young and adults; and in the subphylum Vertebrata the notochord becomes surrounded...
crustacean
Book article from: The Columbia Encyclopedia, Sixth Edition crustacean , primarily aquatic arthropod of the subphylum Crustacea. Most of the 44,000 crustacean species are marine...segments of the female. Classification Crustaceans constitute the subphylum Crustacea of the phylum Arthropoda .
Arthropoda
Book article from: The Columbia Encyclopedia, Sixth Edition ...known. There are three subphyla, comprising nine classes. Subphylum Trilobita The trilobites comprise a wholly extinct group of...eatoni was a fossil trilobite common in the Ordovician seas. Subphylum Mandibulata The mandibulates constitute the largest and most...
zebra
Book article from: The Columbia Encyclopedia, Sixth Edition ...crossed with horses in an attempt to produce a draft animal, but the offspring have proved sterile and unreliable. Zebras are classified in the phylum Chordata , subphylum Vertebrata, class Mammalia, order Perissodactyla, family Equidae.
zorilla
Book article from: The Columbia Encyclopedia, Sixth Edition ...weasel family, also called striped weasels, are more weasellike in appearance, with long, slender bodies. Zorillas are classified in the phylum Chordata , subphylum Vertebrata, class Mammalia, order Carnivora, family Mustelidae.
wombat
Book article from: The Columbia Encyclopedia, Sixth Edition ...for a period of 6 to 12 months. Extinct wombats as large as hippopotamuses are known from fossil evidence. Wombats are classified in the phylum Chordata , subphylum Vertebrata, class Mammalia, order Marsupialia, family Vombatidae.
woodcreeper
Book article from: The Columbia Encyclopedia, Sixth Edition ...themselves. They usually take over the abandoned nests of other cavity nesters, such as the woodpecker. Woodcreepers are classified in the phylum Chordata , subphylum Vertebrata, class Aves, order Passeriformes, family Dendrocolaptidae.
waxwing
Book article from: The Columbia Encyclopedia, Sixth Edition ...N North America. The third species, the Japanese waxwing, is found only in NE Asia. Waxwings are classified in the phylum Chordata , subphylum Vertebrata, class Aves, order Passeriformes, family Bombycillidae, genus Bombycilla.
trunkfish
Book article from: The Columbia Encyclopedia, Sixth Edition ...palatable flesh and are served baked in their shells by the inhabitants of some South Pacific islands. They are classified in the phylum Chordata , subphylum Vertebrata, class Osteichthyes, order Tetraodontiformes, family Ostraciidae.

Dictionary entries related to "Subphylum"

Chelicerata
Book article from: A Dictionary of Zoology Chelicerata (phylum Arthropoda ) A subphylum of arthropods in which the body comprises...structures are the chelicerae that give the subphylum its name, and there are no antennae...horseshoe crabs ( Merostomata ). The subphylum includes the classes Arachnida , Merostomata...
Entoprocta
Book article from: A Dictionary of Earth Sciences Entoprocta (phylum Bryozoa ) Subphylum of freshwater bryozoans which entirely lack a mineralized skeleton...the anus and the mouth. Many fossil forms are known, but the subphylum is known only from the Cenozoic . Formerly the Entoprocta was...
Crinozoa
Book article from: A Dictionary of Zoology Crinozoa (phylum Echinodermata) A subphylum of echinoderms that have radial symmetry, a tendency to produce...which support exothecal extensions of feeding ambulacra . The subphylum includes eight classes, seven of which were extinct by the...
Atelocerata
Book article from: A Dictionary of Zoology Atelocerata (phylum Arthropoda ) A subphylum that contains those classes formerly assigned to the subphylum Uniramia .
Stelleroidea
Book article from: A Dictionary of Zoology Stelleroidea (phylum Echinodermata , subphylum Asterozoa ) The only class in its subphylum, comprising echinoderms that are star-shaped and radially symmetrical.
Uniramia
Book article from: A Dictionary of Zoology Uniramia Formerly a phylum or a subphylum of Arthropoda , in which the appendages are unbranched (i.e. uniramous) and...informal use of Uniramia has been abandoned, with its members reallocated to the subphylum Atelocerata.
Homalozoa
Book article from: A Dictionary of Earth Sciences ...x2018; carpoids ’; phylum Echinodermata ) Extinct subphylum whose members have no trace of radial symmetry . The theca...by R. P. S. Jeffries on morphological grounds to a new subphylum of primitive chordates, the Calcichordata. The matter remains...
trilobite
Book article from: The Oxford Pocket Dictionary of Current English ...xB7;bite / ˈtrīləˌbīt / • n. an extinct marine arthropod (subphylum Trilobita) that occurred abundantly during the Paleozoic era, with a carapace over the forepart, and a segmented hindpart...
Urodela
Book article from: A Dictionary of Zoology Urodela ( Caudata ; newts , salamanders ; subphylum Vertebrata , class Amphibia ) A modern order of tailed amphibians, of which there is a late Jurassic representative in the fossil...
Suctoria
Book article from: A Dictionary of Zoology Suctoria (subphylum Ciliophora , class Ciliatea ) A subclass of protozoa in which mature individuals lack both cilia and a cytostome . Mature forms...

Related newspaper, magazine, and trade journal articles from HighBeam Research

Zooflagellate phylogeny and the systematics of protozoa.(Evolution: A Molecular Point of View)(includes discussion)
Magazine article from: The Biological Bulletin; 6/1/1999; ; 700+ words ; ...and Archamoebae, grouped together as subphylum Conosa within the Amoebozoa, usually...and Colpodella are now placed in the subphylum Protalveolata of the Dinozoa, and not...from Microsporidia to Sporozoa, as the subphylum Manubrispora; they are probably yet...
A high-affinity hemoglobin is expressed in the notochord of amphioxus, Branchiostoma californiense.
Magazine article from: The Biological Bulletin; 12/1/1998; ; 700+ words ; ...although Hb is nearly universally expressed in members of the subphylum Vertebrata, it has not been identified in any members of...amphioxus from the Gulf of Mexico, Branchiostoma floridae (Subphylum Cephalochordata). We verified this observation and also...
Reports from University of Oxford add new data to research in protozoan.
Newspaper article from: Science Letter; 1/27/2009; 700+ words ; ...Pharyngomonas as a new purely zooflagellate class Pharyngomonadea, within a new subphylum Pharyngomonada; this contrasts them with the revised ancestrally amoeboflagellate subphylum Tetramitia," wrote T. Cavaliersmith and colleagues, University of...
Biological identifications through DNA barcodes: the case of the Crustacea.
Magazine article from: Canadian Journal of Fisheries and Aquatic Sciences; 2/1/2007; ; 700+ words ; ...animals such as insects, birds, and fishes, but not for the subphylum Crustacea, one of the most diverse groups of arthropods...issue by examining the patterning of COI diversity in the subphylum Crustacea, the most ancient and structurally diverse group...
Waking Up to the Dawn of Vertebrates.(fossil remains of earliest know fish found in China)(Brief Article)
Magazine article from: Science News; 11/6/1999; ; 700+ words ; ...features that would provide them entree into the vertebrate subphylum. Instead, they resemble the living invertebrate called amphioxus...skeleton and teeth seen in most, but not ail, members of this subphylum today. Instead, these early jawless fish appear to have...
Evolution of developmental roles of Pax2/5/8 paralogs after independent duplication in urochordate and vertebrate lineages.(Research article)
Magazine article from: BMC Biology; 8/22/2008; ; 700+ words ; ...phylogenomic analyses converge on the conclusion that the chordate subphylum Urochordata, which includes the classes Larvacea and Ascidiacea...group Olfactores (vertebrates + urochordates), while the subphylum Cephalochordata, including the amphioxus, diverged basally...
Consensus translational initiation sites of marine invertebrate phyla.
Magazine article from: The Biological Bulletin; 12/1/1998; ; 700+ words ; ...cDNAs from several major marine invertebrate taxa (phylum or subphylum) that have been diverging for many millions of years. We...1053), Mollusca (1365), Annelida (270), and the subphylum Crustacea (690). Because many of the sequences analyzed...
A NEW, PHYLOGENETICALLY SIGNIFICANT EARLY ORDOVICIAN ASTEROID (ECHINODERMATA)
Magazine article from: Journal of Paleontology; 11/1/2007; ; 700+ words ; ...Because of these constraints, the origin and early history of subphylum diversification is not well understood. The recently discovered...Stelleroidea was the only class these authors assigned to the subphylum Asterozoa Zittel, 1895. General usage seems to prefer recognition...
Findings from Azabu University provide new insights into microbiology.
Newspaper article from: Science Letter; 3/10/2009; 700+ words ; ...Catenibacterium mitsuokai belong to cluster XVII of the Clostridium subphylum. Strain ST18(T) was most closely related to L. catenaformis...novel species of a new genus belonging to the Clostridium subphylum cluster XVII, for which the name Sharpea azabuensis gen...
Systematic sequencing of mRNA from the Antarctic krill ( Euphausia superba ) and first tissue specific transcriptional signature.(Research article)(Ribonucleic acid)
Magazine article from: BMC Genomics; 1/28/2008; ; 700+ words ; ...oxidase subunit I ) and of phototransduction ( opsin ). In the subphylum Crustacea there are 33 complete (or nearly complete) mitochondrial...complete or nearly complete mitochondrial DNA sequences of the subphylum Crustacea available from public databases at November 2007...