Crocodile d’Amerique (Fig 1) et Lacerta Heliaca (Fig 2)
[Now American Crocodile (Crocodylus acutus) and Mexican spinytail iguana (Ctenosaura pectinata)]
Albertus Seba seems to have been an originator of the 18th-century style of the funky curly reptilian tails in order to show both their dorsal and frontal patterns. He certainly imparted some great style to other parts of his illustrations, as well.
naturalium thesauri accurata descriptio, et iconibus artificiosissimis
expressio, per universam physices historiam. Tome I. Albertus Seba, 1734.