แหล่งที่มา WikiPedia: Phacoides http://www.boldsystems.org/index.php/TaxBrowser_Ta... http://www.fossilworks.org/cgi-bin/bridge.pl?a=tax... http://www.marinespecies.org/aphia.php?p=taxdetail... https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwt... https://biodiversitylibrary.org/page/33664307 https://www.biodiversitylibrary.org/item/47340 https://doi.org/10.11646/zootaxa.4196.3.1 https://www.gbif.org/species/2287340 https://www.gbif.org/species/7538267 https://www.inaturalist.org/taxa/246320
