LSC 294 — Dinosaurs
Udo Savalli Home

Lab 7
The Vertebrate Skeleton & Skin

Skeletons


The following illustrate some of the skeletons observed in lab. You should be able to identify the labeled bones.

skink skeleton

gator skeleton

rat skeleton

T.rex skeleton


Skulls


The following illustrate some of the skulls observed in lab.
You should be able to identify the mandible, dentary bone, maxilla, premaxilla, brain case, palate, orbit, nares, foramen magnum, temporal fenestra (if present), and antorbital fenestra (if present). You should also know which of these is anapsid, synapsid, and diapsid.

tuatara skull allosaurus skull
gator skull jackal skull
turtle skull rat skull

Skin


The following illustrate vertebrate skin and horn observed in lab.

The horny material that covers this impala horn is composed of hard keratin, derived from the outer layer of skin impala skull
Shell of a desert tortoise, showing both the bone plates and the keratin scales (along the posterior edge) tortoise shell
Reproduction of skin impressions of the hadrosaur dinosaur Edmontosaurus dino skin


Examples of fossil scutes: protective bones from the dermis of the skin.

Alligator, Pleistocene, FL
alligator scute
Champsosaurus, late Cretaceous, SD
champsosaur scute
Glyptodon, Pleistocene, Brazil
Glyptodon scute
Ankylosaurus, late Cretaceous, WY
ankylosaur scute
This page last updated 10 September 2011 by Udo M. Savalli ()
Images and text © Udo M. Savalli. All rights reserved.