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Agnatha (/ ˈ æ ɡ n ə θ ə, æ ɡ ˈ n eɪ θ ə /; [3] from Ancient Greek ἀ-(a-) ' without ' and γνάθος (gnáthos) ' jaws ') is a paraphyletic infraphylum [4] of non-gnathostome vertebrates, or jawless fish, in the phylum Chordata, subphylum Vertebrata, consisting of both living (cyclostomes) and extinct (conodonts, anaspids, and ostracoderms, among others).
The following text reflects earlier scientific understanding of the term and of those animals which have constituted it. According to this understanding, invertebrates do not possess a skeleton of bone, either internal or external. They include hugely varied body plans. Many have fluid-filled, hydrostatic skeletons, like jellyfish or worms.
Piltdown Man: A set of bones found in 1912 thought to be the "missing link" between ape and man. Eventually revealed to be a hoax. Eventually revealed to be a hoax. Nebraska Man : Originally described as an ape by Henry Fairfield Osborn in 1922, on the basis of a tooth found by rancher and geologist Harold Cook in Nebraska in 1917.
The Gashadokuro is a spirit that takes the form of a giant skeleton made of the skulls of people who died in the battlefield or of starvation/famine (while the corpse becomes a gashadokuro, the spirit becomes a separate yōkai, known as hidarugami.), and is 10 or more meters tall.
In the animated sitcom television series Krapopolis, the character of Shlub is depicted as a "mantitaur" which is a half-centaur, half-manticore creature where he was the result of a union between a female centaur and a male manticore. In this show besides the fact that the manticores are depicted with dragon-like wings like other depictions of ...
The hominoids are descendants of a common ancestor.. Homo sapiens is a distinct species of the hominid family of primates, which also includes all the great apes. [1] Over their evolutionary history, humans gradually developed traits such as bipedalism, dexterity, and complex language, [2] as well as interbreeding with other hominins (a tribe of the African hominid subfamily), [3] indicating ...
By contrast, ornithischians—"bird-hipped", from the Greek ornitheios (ὀρνίθειος) meaning "of a bird" and ischion (ἰσχίον) meaning "hip joint"—had a pelvis that superficially resembled a bird's pelvis: the pubic bone was oriented caudally (rear-pointing). Unlike birds, the ornithischian pubis also usually had an additional ...
Neanderthal can be pronounced using the /t/ (as in / n i ˈ æ n d ər t ɑː l /) [11] or the standard English pronunciation of th with the fricative /θ/ (as / n i ˈ æ n d ər θ ɔː l /). [12] [13] The latter pronunciation, nevertheless, has no basis in the original German word which is pronounced always with a t regardless of the ...