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They are: Mammalia, Reptilia, Aves, Osteichthyes, Chrondrichthyes, Agnatha, Amphibia. They are the main 7, but there should actually be more go to: http://en.wikipedia.org/wiki/List_of_chordate_orders for more details.
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∙ 15y ago
Wiki User
∙ 14y agoThere are not five classes, but eight. They are Agnatha (no jaw), Chondrichtyes, (Cartilage fish), Osteichtyes (bone fish), Amphibia (two lives), Reptilia, (creeping), Aves (bird), Mammalia (teets, nipples), and placoderm (plate skin).
Wiki User
∙ 11y agoModern Cnidarians are usually classified into one of these four classes; Hydrozoa, Scyphozoa, Cubozoa and Anthozoa.
There are more classes of Cnidarians (a total of 9), but they may not be as commonly used in classification anymore; Polypodiozoa, Staurozoa, Malacosporea, Myxosporea and Polypodiozoa.
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∙ 14y agoabout 44,000 chordates exist.
Wiki User
∙ 12y agoThere are 4 classes
Wiki User
∙ 11y ago7
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Are lancelets not true chordates?
They are actually true chordates, however they are some of the simplest chordates.
Are chordates eukaryote?
Chordates are a group of animals which include vertebrates (animals having a spinal column), so yes, birds are chordates.
What are the unique features of chordates?
chordates have spinal cord and it separates it from the animals which do not have spinal cord
What is locomotion in chordates?
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You could recognize an adult sea squirt as a chordate by its?
An adult sea squirt has an endostyle and pharyngeal slits which are two of the five hallmark characteristics of chordates.
Amphibia and mammalia classes are in what phylum?
They are in phylum Chordata. They are chordates.
Are lancelets not true chordates?
They are actually true chordates, however they are some of the simplest chordates.
All vertebrates are chordates but not all chordates are vertebrates?
all vertebrates are chordates because vertebrates are the sub- group of phylum chordates and also it follow one of the important feature of the chordates i.e. presence of notochord whereas all chordates are not vertebrates because some chordates are cephalochordates, urochordates.
What is the popular name for chordates?
There isn't a "popular name" for them. The most familiar chordates are the vertebrates, but not all chordates are vertebrates (tunicates, for example, are chordates).
Is chordates vertebrates?
Chordates are not vertebrates because although some vertebrates are chordates theres many reasons why chordates arent vertebrates.the first reason is because chordates consist of a notochord or a dorsal nerve.
The vertebrates are further divided into five groups or classes?
The vertebrates are further divided into five groups or classes.
How many classes of Arthropod are there?
Its Five classes of ArthropodsInsectsArachnidsCrustaceansCentipedes and Millipedes
What is a characteristic shared by all chordates the phylum in which humans are classified?
One characteristic shared by all chordates is the presence of a notochord, a flexible rod that provides structural support. Humans, being classified under the phylum Chordata, possess a notochord during their embryonic development that eventually develops into the spinal column.
How do you write chordates in a sentence?
Chordates are animals with vertebrates.
Do chordates have a coelom?
Yes. All chordates are coelomates.
Are chordates eukaryote?
Chordates are a group of animals which include vertebrates (animals having a spinal column), so yes, birds are chordates.
Which is the correct order of organization for chordates?
Eukarya, Animalia, Chordates
