Arthropoda

• Chelicerata
• Acheronauta
• Ainiktozoon
• Alutidae
• Anomalocarididae
• Aquilonifer
• Artiopoda
• Austriocarididae
• Balhuticaris
• Caryosyntrips
• Chengjiangocarididae
• Clausocarididae
• Tri-spine horseshoe crab Tachypleus tridentatus

  A coastal animal of East and Southeast Asia with a hard shell and long tail. It lays eggs on sandy shores, and young animals grow on tidal flats.

• Zora silvestris

  A small spider with dark bands on the front part of its body, recorded from Europe, the Caucasus and Turkmenistan.

• Manuel's Cellar Spider Pholcus manueli

  Recorded widely in Asia and the United States, females of this spider have slightly more closely spaced eye groups than males.

• Troglohyphantes pedemontanus

  A small spider of caves in north-western Italy, known from three caves in Piemonte.