Eesti Loodusmuuseum/Näitus/Müstiline ürgmeri/ENG: erinevus redaktsioonide vahel

''All early life forms known from the Ediacaran were soft-bodied, that is, lacked both an inner skeleton and a protective outer skeleton.''

 

Estonian Museum of Natural History - Alga Ediacaran.png| [[:en:w:Algae|Algae]]. Plantlike algae grew either attached to the seabed or floating freely in the water column.

Estonian Museum of Natural History - Planolites.png| †''[[:en:w:Planolites|Planolites]]''. The burrow-like fossils found from the rocks here may have been left by minute worms that once bustled in the bottom mud.

ten-kilometre-diameter impact crater in present-day Northwest Estonian coastal sea.''

 

Estonian Museum of Natural History - Hazelia Palmata.png| †''[[:en:w:Hazelia|Hazelia]] palmata''. Sponges are the most primitively built immobile multicellular creatures.

Estonian Museum of Natural History - Halkieria.png| †''[[:en:w:Halkieria|Halkieria]]''. A bottom-dwelling creature reminiscent of present-day slugs, with tiny shells resembling the valves of a bivalve shell at both ends of its body.

Estonian Museum of Natural History - Stromatocystites Balticus.png| †''Stromatocystites balticus''. Some echinoderms were starfish-like invertebrates that lived attached to the seabed.

Estonian Museum of Natural History - trilobite - Hydrocephalus.png| †''[[:en:w:Hydrocephalus (trilobite)|Hydrocephalus]]''. Trilobites were the ancient arthropods. The back of their body was covered with a hard outer skeleton; many species had well-developed compound eyes.

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''In the Ordovician, the present-day area of [[:en:w:Hiiumaa|Hiiumaa]] was shaken by a meteorite impact that created the approximately four-kilometre-diameter [[:en:w:Kärdla crater|Kärdla crater]].''

 

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