bmw -- 7/4/95, 7/14/95
brs -- 7/6/95, 7/15/95, 7/17/95, 8/8/98
Photos courtesy Graham Williams (gwilliam@agcux.bio.ns.ca) and
Andrew MacRae (macrae@geo.ucalgary.ca), who kindly provided
commentary and additional information for the Dinoflagellata "Fossil Record" page.