original description
Kindle, E. M.; Breger, C. L. (1904). Paleontology. In: Kindle, E. The Stratigraphy and Paleontology of the Niagara of Northern Indiana. <em>Indiana Department of Geology and Natural Resources, Annual Report (for 1903).</em> 28: 428–486.
page(s): 452 [details]
basis of record
Cope, J. C. W.; Kříž, J. (2013). The Lower Palaeozoic palaeobiogeography of Bivalvia. <em>Geological Society, London, Memoirs.</em> 38(1): 221-241., available online at https://doi.org/10.1144/m38.16 [details] Available for editors [request]
additional source
Pojeta, J., Jr. (1966). North American Ambonychiidae (Pelecypoda). <em>Palaeontographica Americana.</em> 5(36): 132-241, pls. 19-47. [details]
From editor or global species database
Status Considered a synonym of Mytilarca Hall, 1869 by Pojeta (1966, 1968), but treated as valid genus by Cope & Kříž (2013). [details]