conulariid
extinct invertebrate
Learn about this topic in these articles:
relation to Cnidaria
- In cnidarian: Evolution
The Conulariida, which existed from the Cambrian Period to the Triassic Period (251.9 million to 201.3 million years ago), are considered by some scientists to be skeletal remains of scyphopolyps, either ancestral to the coronates or without modern derivatives. Presumed fossil sea anemones are found in…
Read More