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.
Articulation of epijugal with jugal and quadratojugal (character 11): (A) epijugal disarticulated (UALVP 40), (B) epijugal articulated with open suture (ROM 839) and (C) epijugal articulated with closed suture (TMP 1981.019.0175). Arrows = epijugals; dashed lines = sutural contacts. Chasmosaurus sp. (diamonds). [planned for column width].
