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Mactrotoma
12 branches of this genus, most-observed first

Fragile surfclam
speciesMactrotoma fragilis

Oval-shaped Trough Shell
speciesMactrotoma antecedens

California Surfclam
speciesMactrotoma californica

Bent Surfclam
speciesMactrotoma nasuta

Mactrotoma velata
speciesMactrotoma velata

Parkes's Trough Shell
speciesMactrotoma explanata

Mactrotoma angusta
speciesMactrotoma angusta

Mactrotoma isthmica
speciesMactrotoma isthmica
Mactrotoma depressa
speciesMactrotoma depressa
Mactrotoma compressa
speciesMactrotoma compressa
Mactrotoma angulifera
speciesMactrotoma angulifera

Mactrotoma janeiroensis
speciesMactrotoma janeiroensis
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Mactrotoma in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 209334.