Its snout is short, also comprising 40% of the skull length.

The head was big with a short snout and very large orbits, whose diameter amounts 39 % of the entire skull length.

The average skull length of R. traquairi is about 11 centimetres.

With a skull length of around 6 cm, this was a pretty large multituberculate.

Torosaurus frill made up about one-half the total skull length.

It had a skull length of about 90 cm.

The average skull length is about 16 centimeters.

They make up around 30% of the skull length.

This was a relatively large Multituberculate, with a skull length of about 4.5 cm.

With an estimated skull length of 15 cm.