Robuta

https://www.animaldiversity.org/accounts/Pteraster_marsippus/classification/

Pteraster marsippus | CLASSIFICATION | Animal Diversity Web

animal diversity web pteraster classification

https://www.marinespecies.org/aphia.php?p=taxdetails&id=172779

WoRMS - World Register of Marine Species - Pteraster stellifer hunteri Koehler, 1920

marine species worms world register pteraster

https://www.marinespecies.org/aphia.php?p=taxdetails&id=380982

WoRMS - World Register of Marine Species - Pteraster (Apterodon) stellifer Sladen, 1882

marine species worms world register pteraster