Most observed native seapills
Native to the US, by how plants support them, most observed first.
Other species All
20 native species with no plant ties on record, most observed first.
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Oregon Pillbug
Gnorimosphaeroma oregonense
889 observations
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Exosphaeroma inornata
193 observations
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Gnorimosphaeroma noblei
95 observations
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Nassaquatuck Seapill
Sphaeroma papillae
92 observations
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Fourtooth Seapill
Sphaeroma quadridentatum
68 observations
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Sponge Isopod
Paracerceis sculpta
51 observations
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Paracerceis caudata
44 observations
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Socorro Isopod
Thermosphaeroma thermophilum
38 observations