Dwarf tarantulas, also known as sheet funnel-web spiders are a type of spider from the family Mecicobothriidae.

Dwarf tarantulas are one of several families of the suborder Mygalomorphae; this larger group also includes the true tarantulas.

Many specimens are smaller than 1 cm in length, and the largest in the family are seldom larger than 2 cm.

The spiders, like all Mygalomorphae, have downward pointing fangs; dwarf tarantulas also have long spinnerets.

There is currently only 1 recognized genus in this family:[1] Mecicobothrium Holmberg, 1882 Genera moved to other families include: