Phylum
Mollusca
55 species in 3 classes. Maximum lifespan ranges from 7.1 months (Bigfin reef squid) to 507 years (Ocean quahog clam).
Species
55
with a complete mtDNA
Median GC
34.6%
Range 22.8–44.9%
Classes
3
Largest: Bivalves (35)
Overview
The Mollusca tree
Select a clade to look insideOuter ring: Maximum lifespan, log scale
Each ring is one rank. Scroll or use + and − to zoom, drag to move; select a group to zoom into it, a species to open it.
Classes of Mollusca
3 classes, by species countWhere Mollusca sit among 2,335 species
Whole-genome GC content against maximum lifespan. Hover or tap a point; select it again to open the species.
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- Mollusca (55)
- Other species
Longest-lived
Top 5 and the shortest-livedSpecies in Mollusca
Select a column to sort20 species
| Arctica islandica | Ocean quahog clam | Bivalves | 507 yr | 18,289 bp | 30.72% |
| Panopea abrupta | Pacific geoduck clam | Bivalves | 168 yr | 15,381 bp | 35.61% |
| Panopea generosa | Pacific geoduck | Bivalves | 168 yr | 15,585 bp | 36.25% |
| Mercenaria mercenaria | Northern quahog | Bivalves | 106 yr | 18,365 bp | 31.05% |
| Haliotis rufescens | Red abalone | Gastropoda | 50 yr | 16,646 bp | 39.68% |
| Modiolus modiolus | Northern horsemussel | Bivalves | 48 yr | 15,816 bp | 35.79% |
| Architeuthis dux | Giant squid | Cephalopoda | 35 yr | 20,331 bp | 30.28% |
| Pinna rudis | Rough pen shell | Bivalves | 31 yr | 18,264 bp | 40.38% |
| Aliger gigas | Pink conch | Gastropoda | 30 yr | 15,461 bp | 34.25% |
| Mya arenaria | Softshell | Bivalves | 28 yr | 17,947 bp | 34.30% |
| Geukensia demissa | Ribbed-mussel | Bivalves | 24 yr | 15,815 bp | 28.27% |
| Mytilus galloprovincialis | Mediterranean mussel | Bivalves | 20 yr | 16,744 bp | 38.24% |
| Placopecten magellanicus | Sea scallop | Bivalves | 20 yr | 32,115 bp | 44.33% |
| Prolasmidonta heterodon | Dwarf wedgemussel | Bivalves | 18 yr | 15,909 bp | 34.09% |
| Ostrea edulis | Edible oyster | Bivalves | 16 yr | 16,320 bp | 35.14% |
| Anodonta anatina | Duck mussel | Bivalves | 16 yr | 15,653 bp | 33.99% |
| Haliotis tuberculata | Tuberculate abalone | Gastropoda | 15 yr | 16,521 bp | 39.28% |
| Ruditapes philippinarum | Japanese carpet shell | Bivalves | 14 yr | 22,089 bp | 30.38% |
| Mytilus trossulus | Foolish mussel | Bivalves | 13 yr | 18,652 bp | 38.46% |
| Cryolaternula elliptica | Bivalves | 13 yr | 14,622 bp | 44.92% |