Saltmarsh Invertebrates

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Salt marsh animals (invertebrates)



Insects and spiders

Marsh mudsnail Nassarius obsoletus (formerly Ilyanassa obsoleta)

Coffee-bean snail, Melampus bidentatus

Hydrobiid snails (very, very small snails! max 3 mm shell length!)

Marsh periwinkle, Littoraria irrorata

Plant bug, Trigonotylus sp.


Ribbed mussel, Geukensia demissa

Red mite (species unknown to me)


Springtail, Anurida maritima


Horseshoe crabs, Limulus polyphemus

Small horseshoe crab, Rowley, Massachusetts.JPG

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