Taxonomia

• Lineage:
• Root
/
• Chromista
/
• Ochrophyta
/
• Phaeophyceae
/
• Ectocarpales
/
• Chordariaceae
/
• Petrospongium

Petrospongium (genus)

• speciesPetrospongium berkeleyi
• speciesPetrospongium rugosum