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Heterocentrotus mamillatus (Red Pencil Urchin)
Scientific name: Heterocentrotus mamillatus

Taxonomy: Kingdom Animalia → Phylum Echinodermata → Subphylum Echinozoa → Class Echinoidea → Subclass Euechinoidea → Infraclass Carinacea → Subterclass Echinacea → Order Camarodonta → Infraorder Echinidea → Superfamily Odontophora → Family Echinometridae → Genus Heterocentrotus

Common name: Red Pencil Urchin
...also Slate Pencil Urchin
Locations: Hawaii
Group: Marine LifeInvertebratesSea Urchins
Other images:
Heterocentrotus mamillatus (Red Pencil Urchin)
Dead urchin, showing test (skeleton)
Heterocentrotus mamillatus (Red Pencil Urchin)
Heterocentrotus mamillatus (Red Pencil Urchin)
Heterocentrotus mamillatus (Red Pencil Urchin)
Heterocentrotus mamillatus (Red Pencil Urchin)
Heterocentrotus mamillatus (Red Pencil Urchin)
Heterocentrotus mamillatus (Red Pencil Urchin)
Heterocentrotus mamillatus (Red Pencil Urchin)
Juvenile, less than an inch across
Heterocentrotus mamillatus (Red Pencil Urchin)
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