👉 Aptychus, a genus in the family Arachnida, is characterized by its large size and elongated body shape. The body is covered with smooth scales that are arranged in rows along the back of the body, which makes it visually distinct from other arachnids. Aptychus is known for their ability to burrow into hard surfaces such as stones or concrete, where they can hide and wait until prey appears. They also have a specialized digestive system with a single