Most observed native Crangonyctoidea
Native to the US, by how plants support them, most observed first.
Other species All
19 native species with no plant ties on record, most observed first.
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Ellis Bog Crangonyctid
Crangonyx richmondensis
67 observations
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Northern River Crangonyctid
Crangonyx pseudogracilis
54 observations
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Coastal Swamp Amphipod
Sicifera chamberlaini
28 observations
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Serrate Crangonyctid
Crangonyx serratus
24 observations
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Sicifera bifurca
22 observations
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Sicifera dentata
20 observations
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Hairy-fingered Crangonyctid
Crangonyx setodactylus
14 observations
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Allegheny Cave Amphipod
Stygobromus allegheniensis
12 observations