Prehistoric Models: Cnidaria
Cnidarians are marine invertebrates that include sea jellies, coral, sea anenomes, sea pens and fresh water hydras. The earliest members of this group can be found in the in the late Precambrian’s Ediacaran biota some 580 million years ago. To see my fossil coral click here, or to see my modern coral to compare click here.
Domain: Eukarya – Kingdom: Animalia – Phylum: Cnidaria – Subphylum: Medusozoa
(Sea Jellies formerly Jellyfish)
Ediacaran to Holocene

Common name: Sea Jelly
Other name: Formersly “jellyfish”
TIme: Holocene, Recent

Common name: Sea Jelly
Other name: Formersly “jellyfish”
TIme: Holocene, Recent

Common name: Sea Jelly
Other name: Formersly “jellyfish”
TIme: Holocene, Recent

Common name: Sea Jelly
Other name: Formersly “jellyfish”
TIme: Holocene, Recent
Domain: Eukarya – Kingdom: Animalia – Phylum: Cnidaria – Class: Hexacorallia – Order: Actiniaria
(Sea Anemone)
Late Cambrian to Holocene

Common name: Sea Anemone
Time: Holocene, Recent

Common name: Sea Anemone
Time: Holocene, Recent

Common name: Sea Anemone
Time: Holocene, Recent
Domain: Eukarya – Kingdom: Animalia – Superphylum: Vendobionta – Phylum: Petalonamae
(frondomorphs)
Ediacaran to Cambrian
