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.
Capitalised terminal clades have been summarised, but are fully shown in a version of this tree in Fig. S6. Note that Sigilmassasaurus is found in a monophyletic Spinosauridae, highlighted by a turquoise box.
