Words to Describe microfauna

How microfauna often is described ("________ microfauna")

• pleistocene
• shelly
• mammalian
• prolific
• similar
• activated
• interstitial
• characteristic
• abundant
• natural
• aquatic
• total
• terrestrial
• diverse
• pelagic
• sparse
• marine
• calcareous
• larger
• bottom
• introduced
• typical
• rich
• benthic
• fossil
• poor
• other
• local
• limited