Ornithere: Difference between revisions
Jump to navigation
Jump to search
Content added Content deleted
imported>Disgustedorite No edit summary |
imported>Disgustedorite No edit summary |
||
| Line 13: | Line 13: | ||
In most jewel-eyed saucebacks, the spiracles and microlungs are supported by chitinous shells called ceres. These are inherited from their harnessback ancestors and allow them to breathe more strongly than most other saucebacks. |
In most jewel-eyed saucebacks, the spiracles and microlungs are supported by chitinous shells called ceres. These are inherited from their harnessback ancestors and allow them to breathe more strongly than most other saucebacks. |
||
Jewel-eyed saucebacks lack the lips that are present in other saucebacks, as their jaws, so much larger than the pincer-like jaws of more basal saucebacks, completely took over the role of closing the mouth; the lips only got in the way. This comes at a cost; some species cannot close their jaws fully because of secondary adaptations, so their mouths are exposed to open air and more prone to water loss. |
|||
==Locomotion== |
==Locomotion== |
||