Gill Morphology in Aquatic Arthropods (IMAGE)

Harvard University

Gill Morphology in Aquatic Arthropods

Caption

(a – f) Exopodites of Paleozoic trilobites with lamellae (lm). Surface area calculations support the interpretation of exopodites as gills (g, h) Micro-CT scan of gills of the modern Atlantic horseshoe crab. (I, j) Micro-CT scan of the modern Jonah Crab. Gills of modern arthropods have thousands of thin lamellae to increase surface area.

Credit

Sarah R. Losso (BL 2026)

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