แหล่งที่มา WikiPedia: Zygonaria http://www.fossilworks.org/cgi-bin/bridge.pl?a=tax... http://en.wikipedia.org/w/index.php?action=edit&ti... https://www.gbif.org/species/2252706 https://www.irmng.org/aphia.php?p=taxdetails&id=14... https://www.marinespecies.org/aphia.php?p=taxdetai...
