Taxonomia

• Lineage:
• Root
/
• Animalia
/
• Arthropoda
/
• Insecta
/
• Coleoptera
/
• Dytiscidae
/
• Barretthydrus

Barretthydrus (genus)

• speciesBarretthydrus geminatus
• speciesBarretthydrus stepheni
• speciesBarretthydrus tibialis