Heliacus (Teretropoma)... www.conchology.be

Shell Encyclopedia - Worms... www.conchology.be

infundibuliformis... conchology.be

Architectonicidae Archives... www.dedondershells.com

Architectonicidae Archives... www.dedondershells.com

File:Naturalis Biodiversity... commons.wikimedia.org

Heliacus - Wikipedia en.wikipedia.org

ARCHITECTONICIDAE -... conchology.be

Heliacus implexus Zoa... www.reeflex.net

Heliacus variegatus... www.reeflex.net

WoRMS - World Register of... www.marinespecies.org

Heliacus infundibuliformis... www.reeflex.net

ARCHITECTONICIDAE -... conchology.be

Invert-E-Base Portal -... www.invertebase.org

Heliacus mighelsi ru.reeflex.net

ARCHITECTONICIDAE -... conchology.be

Heliacus (Teretropoma)... www.conchology.be

ARCHITECTONICIDAE -... conchology.be

Heliacus implexus Zoa... www.reeflex.net

Microshells: Heliacus... bishogai.com