Sea lily or Stone lily (Crinoid) - Guillecrinus neocaledonicus, a Guillecrinidae - If one ignores the enigmatic Echmatocrinus of the Burgess Shale, the earliest known unequivocal crinoid groups date back to the Ordovician. There are two competing hypotheses pertaining to the origin of the group: the traditional viewpoint holds that crinoids evolved from within the blastozoans (the eocrinoids and their derived descendants the cystoids),
Why Some Men Still Think Women Shouldn't Work - (all data was correlation, not causation) However, they found that married men in “traditional” marriages view women in their workplace unfavorably. Only 20 percent of married couples have traditional marriages in which the wife is unemployed, which means the a-woman’s-place-is-in-the-home viewpoint isn’t the norm anymore. As marriages become more egalitarian, so will offices.