The Top 5 Largest Species of Molluscs

  Mollusc Class Length (metric) Length (Imp) Weight (Meteric) Weight (imperial)
1 Giant squid (Architeuthis sp) Cephalopods 5 to 18 m 16 to 59 ft 1,814 kg 4,000 lbs
2 Giant clam (Tridacna gigas) Bivalvia 1.14 m 3.77 ft 332 kg 734 lbs
3 Australian trumpet (Syrinx aruanus) Marine Snail 1 m 3.28 ft 18 kg 40 lbs
4 Spanish dancer (Hexabranchus sanguineus) Nudibranch (Sea slug) 61 cm 2 ft N/A N/A
5 Carinaria cristata Heteropod 50 cm 1.64 ft N/A N/A
Share on Social Media:
Tags: Animals & Nature, Top 5 Largest

Sources:  Various

List Notes: 
Largest Species of Molluscs

Related Top 5 Lists