The camel in a medieval bestiary (England 2nd quarter of the 13th century)
The amphivena
Detail of a basilisk killing a man with its gaze and being attacked by a weasel 12th Century
Basilisk wearing a crown
Bestiary and Lapidary ('the Rochester Bestiary') 12th - 14th Century
Detail of a hell-mouth with three beasts, a devil and many souls inside
Tapestry
https://www.atlasobscura.com/articles/medieval-bestiary-allegories
A Bonnacon, from Kongelige Bibliotek
Early drawing of a Crocodile
https://forwardtopast.wordpress.com/2016/10/21/10-weird-medieval-beasts/
http://facsimilium.blogspot.com/2014/07/creatures-from-medieval-bestiaries-12th_3007.html
Luttrell Psalter, 14th century.