Words to Describe stromatolites

How stromatolites often is described ("________ stromatolites")

• shallow
• modern
• rare
• cyanobacterial
• columnar
• nonmarine
• domed
• fossilized
• archaean
• most
• intertidal
• bacterial
• bahamian
• modem
• elongate
• algal
• phanerozoic
• potential
• abundant
• flat
• small
• dolomitic
• abiogenic
• carboniferous
• contemporary
• shaped
• discrete
• silicified
• domal
• triassic
• digitate
• proterozoic
• archean
• freshwater
• skeletal
• pelagic
• laminated
• marginal
• bearing
• marine
• giant
• precambrian
• calcareous
• distinctive
• younger
• hemispherical
• day
• like
• recent
• lacustrine
• siliceous
• domical
• associated
• associate
• phosphatic
• subtidal
• earliest
• extant
• conical
• devonian
• fossil
• early
• oldest
• ancient
• developed
• lichen