superfamily
Mactroidea
Mactroidea
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Most observed native Mactroidea All
Native to the US, by observations.
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Atlantic Rangia
Rangia cuneata
2,074 observations
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Pacific Gaper
Tresus nuttallii
1,473 observations
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Fat Gaper
Tresus capax
1,131 observations
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Dish Surfclam
Mactromeris catilliformis
243 observations
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Strange Gaper
Tresus allomyax
66 observations
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California Surfclam
Mactrotoma californica
23 observations