Words to Describe microfossils

How microfossils often is described ("________ microfossils")

• cladoceran
• smaller
• organic
• oceanic
• continental
• extinct
• filamentous
• nonmarine
• calcified
• insoluble
• archaean
• bacterial
• ultra
• coccoid
• algal
• characteristic
• abundant
• planktonic
• late
• pollen
• common
• enigmatic
• derived
• shaped
• aquatic
• spheroidal
• terrestrial
• vertebrate
• silicified
• few
• liassic
• proterozoic
• indigenous
• archean
• artificial
• cambrian
• resistant
• quaternary
• permian
• pelagic
• marine
• invertebrate
• diagenetic
• tiny
• walled
• jurassic
• precambrian
• unassigned
• calcareous
• conoidal
• identifiable
• distinctive
• larger
• like
• related
• siliceous
• associated
• possible
• putative
• phosphatic
• earliest
• numerous
• cretaceous
• benthic
• ordovician
• carbonaceous
• reworked
• other
• individual
• oldest
• problematic
• ancient