Camanchia is a genus of synziphosurine,[1] a paraphyletic group of fossil chelicerate arthropods.

[4][5][6][3] Fossils of the single and type species, C. grovensis, have been discovered in deposits of the Silurian period in Iowa, in the United States.

[7][2] Alongside Venustulus, Camanchia is one of the only Silurian synziphosurine with fossil showing evidence of appendages.

[1] Opisthosoma is externally 10-segmented with tergites possess blunt pleurae (lateral extension).

[1] The last 3 opisthosomal segments forming a narrow postabdomen with short pleurae.