|Scientific name||Diictodon feliceps|
|Home time period||Late Permain Period|
|Appearances||See full list below|
Diictodon was a specsis of Therapsid. One Dicctodns are currently in the present as their anoamly closed they are called Sid and Nancy
After a pack of Camouflage Beasts attacked the Menagerie the power failed and Sid, Nancy and Rex tried to escape but a Camo beast attacked them and tried to kill them but Jenny Miller arrived and killed the Camo beast before they were killed. They were then collected by Connor Tempel and Abby Maitland and were taken to a medical bay and were checked for injuries and were put in a cage until the Camo beasts were dealt with.
Sid and Nacy were watched along with Rex in the Menagerie.
Sid and Nancy were seen briefly in their enclosure.
Along with all the other Menagerie creatures Sid and Nancy we're taken The Firm.
Professor Windsor injected Sid and Nancy with a needle.
After Dylan Weir discovered that Windsor had injected a poison into Rex it is presumed that Sid and Nancy were poisoned as they were injected with the same needle if so hey were most likely cured of screen.