title: Hypostome
text: # Hypostome
  
  In zoology, the hypostome can refer to structures in distinct animal groups:
  
  * Hypostome (trilobite), the ventral mouthpart plate in trilobites
  * Hypostome (tick), the barbed attachment structure associated with the mouthparts of parasitic arachnids
  * Hypostome (cnidarian), the oral tip surrounded by tentacles in hydrozoan cnidarians
  