WoRMS - World Register of... www.marinespecies.org

WoRMS - World Register of... www.marinespecies.org

Notocidaris - Wikipedia en.wikipedia.org

WoRMS - World Register of... www.marinespecies.org

File:Notocidaris... commons.wikimedia.org

WoRMS - World Register of... www.marinespecies.org

WoRMS - World Register of... www.marinespecies.org

Notocidaris platyacantha -... www.wikidata.org

Christopher Mah,... twitter.com

Christopher Mah,... twitter.com

TAAF 2018 Marine Life,... www.ebay.com

Latitudinal distribution... www.researchgate.net

9 Notocidaris platyacantha... jenikirbyhistory.getarchive...

sea urchins media -... eol.org

Stamp 2018, French... www.postbeeld.com

Fish Identification www.sealifebase.se

List of Animal of Order... www.youtube.com

DNA barcoding and molecular... www.sciencedirect.com

Microstructures of... link.springer.com

Microstructures of... link.springer.com