Which animal has a skull but no spine?

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1Which animal has a skull but no spine?
They are generally considered quite ugly, but they are well adapted for survival. The hagfish is the only animal to have a skull but no vertebrae making a spine. The hagfish’s skull consists of cartilage rather than bone. Source: SmithsonianMag.com Step 2 : Answer to the question “Which animal has a skull but no spine?” Hagfish:
https://www.try3steps.com/2020/10/answer-which-animal-has-skull-but-no.html

2Hagfish

Hagfish, of the class Myxini (also known as Hyperotreti), are eel-shaped, slime-producing marine fish (occasionally called slime eels).They are the only known living animals that have a skull but no vertebral column, although hagfish do have rudimentary vertebrae. Along with lampreys, hagfish are jawless; they are the sister group to jawed vertebrates, and living hagfish remain similar to …
https://en.wikipedia.org/wiki/Hagfish

3Which animal has a skull but no spine?
Animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium A vertebrate is an animal with a backbone. Animals with no backBone?
https://www.answers.com/Q/What_are_animals_with_a_skull_and_backbone

4Which animal has a skull but no spine?
Invertebrates have no internal bony skeleton. In some cases they have a hard, exoskeleton (outer shell) like insects and crustaceans (crabs, lobsters, starfish, clams/oysters, spiders – just to name a few). Other invertebrates have a fluid filled, hydrostatic skeleton, like the jellyfish or worm.
https://www.justanswer.com/pet/0cxqg-animals-no-spine.html

5Vertebral column

The vertebral column, also known as the backbone or spine, is part of the axial skeleton.The vertebral column is the defining characteristic of a vertebrate in which the notochord (a flexible rod of uniform composition) found in all chordates has been replaced by a segmented series of bone: vertebrae separated by intervertebral discs. The vertebral column houses the spinal canal, a cavity that …
https://en.wikipedia.org/wiki/Vertebral_column

6Which animal has a skull but no spine?
The neck region of an animal is supported by the cervical vertebrae and normally in mammals there are 7 of them. The first vertebra, the one immediately behind the skull, is called the ‘Atlas’. It has two large depressions in its front face which accept (articulate with) the occipital condyles, two bumps unique to mammals found at the base of the skull.
https://www.earthlife.net/mammals/skeleton-2.html

7Which animal has a skull but no spine?
Why we have a spine, when over 90% of animals don’t. … or the special type of cells that ultimately help generate the bones in our skull and jaws. … Evolution has no end point.
http://www.bbc.com/earth/story/20160812-why-we-have-a-spine-when-over-90-of-animals-dont

8Which animal has a skull but no spine?
Commonly known as a spine, this is a highly specialized bone-type which joins together to compose a backbone. Its function is to protect and sustain the spinal cord and connect it to the nervous system. These animals are distinguished by their bilateral symmetry, and the fact that they have a skull to protect their brain.
https://www.animalwised.com/examples-of-vertebrate-and-invertebrate-animals-39.html

9Waking Up

Animal Skull Guide. Whether it be flying on a black flag symbolizing pirates or attached to a giant T-Rex skeleton staring down at us in a museum, the skull has forever fascinated us. We are all familiar with our own skull of course, but could you identify what animal a skull belongs to just by seeing it by itself.
http://wakingupwild.com/photography/guides-feathers-skulls-artifacts/animal-skull-identification-guide/

10Which animal has a skull but no spine?
Animal Bone Identification. This beginners guide to animal bone identification has been written by Chris Faine and is one of a series of introductory guides published by the community archaeology network, Jigsaw. Animal bone is one of, if not the, most commonly recovered finds material from archaeological sites.
https://peterborougharchaeology.org/archaeology-skills-techniques/animal-bone-identification/

News results

1Monkeys have holes drilled into their skulls and devices CEMENTED onto them in horrific experiments in Belgian labs
MONKEYS are having holes drilled into their skulls and devices cemented onto them in “cruel” lab tests, warn campaigners. Shocking photos allegedly show the caged primates with electrodes
https://www.thesun.co.uk/news/12726187/monkeys-holes-drilled-skulls-devices-cemented-experiments-belgian/
Published Date: 2020-09-21T13:03:00.0000000Z

BING based on video search results

1  Poor Dog had been abandoned when He’s no longer cute and He Has a Huge Tumor on His Head
This poor dog had been abandoned by his owner after he’s no longer handsome due to he had health issues. He has a huge tumor growing on his head but his owner didn’t take him to get treatment… He had spent his life alone on the street, suffered from the tumor, and eats only leftover food. It’s so sad, he had endured the pain for months until …
Watch Video: https://www.youtube.com/watch?v=A9MOoNp-CsY

Wikipedia based search results

1Foramen
another. The skulls of vertebrates have foramina through which nerves, arteries, veins, and other structures pass. For example, a human skull has parietal…
https://en.wikipedia.org/wiki/Foramen

2Vertebral column
backbone or spine, is part of the axial skeleton. The vertebral column is the defining characteristic of a vertebrate in which the notochord (a flexible…
https://en.wikipedia.org/wiki/Vertebral column

3Spinosaurus
Spinosaurus (meaning "spine lizard") is a genus of spinosaurid dinosaur that lived in what now is North Africa during the upper Albian to upper Turonian…
https://en.wikipedia.org/wiki/Spinosaurus

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