Ticks are parasitic arachnids of the order Ixodida. They are part of the mite superorder Parasitiformes. Adult ticks are approximately 3 to 5 mm in length depending on age, sex, and species, but can b
Fossilized tick in Dominican amber
A hard-bodied tick of the family Ixodidae, the lone star tick
A soft-bodied tick of the family Argasidae, beside eggs it has just laid
Arachnids are arthropods in the class Arachnida of the subphylum Chelicerata. Arachnida includes, among others, spiders, scorpions, ticks, mites, pseudoscorpions, harvestmen, camel spiders, whip spide
"Arachnida" from Ernst Haeckel's Kunstformen der Natur, 1904