Ixodida (Ticks) is an order of mites. There are 953 species of Ticks, in 20 genera and 3 families. This order has been around since the upper cretaceous epoch.
Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
Definition: The number of fossil occurrences in the Paleobiology Database (https://paleobiodb.org) that are identified as belonging to a particular taxon or any of its subtaxa.