from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Having a skull or cranium.
- n. An animal or a human having a skull or cranium.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any member of the clade Craniata bearing bony skulls.
from The Century Dictionary and Cyclopedia
- Having a skull or cranium, as do all vertebrates above the lampreys.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
In other words, each bit of evidence, from the most ancient craniate fossil to the molecular structure of neurons, fits the hypothesis of evolutionary descent.
It can have at once, the concentration of a craniate animal and the diffused vitality of an amoeba.
The exact significance of these roots is a matter for speculation, but it seems possible that they are epiphysial structures remotely comparable with the epiphysial (pineal) complex of the craniate vertebrates.
_Amphioxus_, subordinate to the primary bars in size, vascularity and development; finally, in the craniate vertebrates it would then have completed its involution, the suggestion having been made that the tongue-bars are represented by the thymus-primordia.
Draw diagrams, with the parts named, of the alimentary canal of (a) amphioxus, (b) any craniate; (c) indicate very shortly the principal structural differences between the two.
It can have at once the concentration of a craniate animal and the diffused vitality of an amoeba.
Haikouichthys being a craniate, indicating that vertebrate evolution was well advanced by the
On page 83, Shubin's book contains a nice diagram comparing the skull-components of a human head to the skull of a primitive craniate fish.
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