Nicolaus Michael Oppel
In 1811 he published a book entitled "Die Ordnungen , Familien und Gattungen der Reptilien als Prodrom einer Naturgeschichte derselben" , or "The Orders , Families , and Types of Reptiles . . . " in which he established the order , Squamata , and the families Cheloniidae , Colubridae , and the subfamily Crotalinae , as well as several genera which are still in use by taxonomists today . 
<triplet> families <subj> order <obj> part of <triplet> Cheloniidae <subj> families <obj> taxon rank <triplet> Colubridae <subj> families <obj> taxon rank