yes i think my zoology lecturer described a coral as a medusa that unaccountably stood on its head and built itself a house i've added refs for most of the more egregious bits of or and have tidied up the books the human section doesn't seem to me to need much doing to it i think we ought to do something about the fossils for taxobox phylogeny and diversity e g we should illustrate tabulate rugose etc alongside in a table some sort of description of the groups name time range from to description ref image or something btw i shall be offline all next week