Yes I think my zoology lecturer described a coral as a medusa that unaccountably stood on its head and built itself a house Ive added refs for most of the more egregious bits of OR and have tidied up the books The human section doesnt seem to me to need much doing to it I think we ought to do something about the fossils for taxobox phylogeny and diversity eg we should illustrate tabulate rugose etc alongside in a table some sort of description of the groups  name time range fromto description ref image or something BTW I shall be offline all next week