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Fossil caddisfly (Insecta: Trichoptera) larval cases are preserved in some Eocene Green River Formation tufa, and well organized arrays of these calcified larval cases have been misidentified as ''Oocardium tufa''. The arrays of caddisfly larval cases occur as superimposed layers of vertically oriented cases. The cases are parallel to each other, closely packed, equal in size, and are oriented perpendicular...
Complex, caddisfly-dominated (Insecta: Trichoptera) carbonate mounds up to 9 m tall and 40 m in diameter formed in the nearshore environment of Eocene Lake Gosiute. The mounds outcrop for 70 km in reef-like geometries along the northern margin of Lake Gosiute in Wyoming. The relationships among the caddisfly larvae, the benthic microbial mat and physicochemical nearshore processes of Eocene Lake Gosiute...
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