Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Skulls of Camarasaurus (A; modified from Wilson & Sereno, 1998), Limaysaurus tessonei MUCPv-205 (B; photo by J Whitlock), Dicraeosaurus hansemanni MB.R.2379 (C) Kaatedocus siberi SMA 0004 (D) and Diplodocus sp. CM 11161 (E) in dorsal view, illustrating the states of the characters 8, 26, 29, 30, 34, 35, 36, 66. Not to scale.
