SOME COMMON NZ SOIL ANIMALS <1mm. Nematode(pale worm <lmm Ostracod [oAB horizons to horizon <lmm. Tardigrade [OA horizons <1mm. Mites(Acari [OA horizons 1-6mm. Collembola (springtails) [OA horizons 5-12mm Woodlouse slater. [OA horizons 100mm. Introduced garden worn [ABC horizons] 5-20mm. Hoppe 20-200mm Native [OA horizons earthworm [OABC horizons] 3-15mm. Potworm or Compost worm, [OAB horizons