1) Arthropod family 2) Family machilidae 3) Jumping bristletails 
The Machilidae are a family of primitive insects belonging to the order Archaeognatha (the bristletails). There are around 250 described species worldwide. These insects are wingless, elongated and more or less cylindrical with a distinctive humped thorax and covered with tiny, close-fitting scales. The colour is usually grey or brown, sometimes i...
[n] - jumping bristletails
family Machilidae noun jumping bristletails