The Roraima Tank-Strider (Cisternopilio roraimensis), a bromeliad-tank harvestman whose lamellate feet spread its weight across the water film.
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Antique cream-paper zoological plate of the Roraima Tank-Strider, a compact olive-brown harvestman spanning a rain-filled bromeliad axil on eight very long legs. Fan-shaped lamellate tarsi rest on the water film, while period labels identify the dorsal rain keel, tactile second leg, and tarsal fans; habitat, size, traits, behaviour, scale bar, and a 1903 field note appear below.