411 REFERENCE · Wiktionary
Holasteridae
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Translingual
thumb
Etymology
Holaster genus mul idae.
Proper noun
family order Spatangoida certain heart urchins
Hyponyms
family Stereopneustes genus genus
†Holaster genus extinct genus
Further reading
Spatangoida#Taxonomy