1) Arthropod genus 2) Genus mastotermes 3) Primitive genus of termites 
Mastotermes is a termite genus found living only in northern Australia. A number of extinct taxa are known from fossils. It is a very peculiar insect, the most primitive termite alive. As such, it shows notable similarities to certain cockroaches, the termites` closest relatives. These similarities include the anal lobe of the wing and the laying....
[n] - primitive genus of termites
genus Mastotermes noun primitive genus of termites; mostly extinct; sometimes considered the most primitive Isoptera