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A skull made of either hard bone or cartilage

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15y ago

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What is the animal which are chordates and craniates but not vertabrate?

Myxini (hagfishes) are chordates and craniates. they have a cartillagenous skull but no vertebra or jaws.


Which animals are chordates and craniates but not vertabrates?

Hagfish are chordates and craniates, but they are not vertebrates. This is because they have a skull and notochord but lack vertebrae.


What are characteristics of craniates?

Craniates are characterized by having a skull that surrounds and protects the brain, as well as a backbone (vertebral column) made up of vertebrae or cartilage. They also typically have a well-developed head with sensory structures like eyes and ears. Additionally, craniates have a closed circulatory system with a heart that pumps blood throughout the body.


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.


How do you write chordates in a sentence?

Chordates are animals with vertebrates.


Are chordates eukaryote?

Chordates are a group of animals which include vertebrates (animals having a spinal column), so yes, birds are chordates.


Are hemichordates not chordates?

Yes, hemichordates are not chordates as they are their own phylum.


What some chordates such as sea squirts and lancelets do not have?

Chordates such as the sea squirts and lancelets do not have a backbone that is why they are called vertebrate chordates.


What were the animals that lived 530 million years ago that resembled lancelets but had a brain and skull?

The animals that lived 530 million years ago that resembled lancelets but had a brain and skull are believed to be early chordates called "Haikouichthys." These organisms are thought to be some of the earliest vertebrates, showing features that are more advanced than their lancelet relatives, such as a primitive brain and skull structure.


Compare and contrast chordates and vertebrates?

look in the wikipedia