<Tr> <Td> Kingdom: </Td> <Td> Animalia </Td> </Tr> <Tr> <Td> Subkingdom: </Td> <Td> Eumetazoa </Td> </Tr> <Tr> <Td> Phylum: </Td> <Td> Coelenterata </Td> </Tr> <Tr> <Th_colspan="2"> Phyla </Th> </Tr>

Where does the word cnidarian come from and what does it mean