Syntype; MNHN-EO-CAELIF2442; deposited at: Museum National d'Histoire Naturelle, Paris (MNHN); Uruguay: Maldonado: Maldonado
Ommexecha sommeri Burmeister, 1838: 654.
Holotype; female; e38c4f74-9a3f-49b0-815f-c032e298ab48; deposited at: Naturhistorisches Museum, Wien (NMW); Brazil
Ommexecha audouinii Blanchard, 1836 in Walker, 1870: 719, 798.
Ommexecha sommeri Burmeister, 1838 in Walker, 1870: 798.
Spathalium stali Bolívar, 1884: 32.
Holotype; female; 6eda9033-9ab0-4a8b-838f-4f6e9aa43a59; deposited at: Swedish Museum of Natural History, Entomology Collections (NHRS); Brazil: Rio Grande do Sul: São Leopoldo
Ommexecha sommeri Burmeister, 1838 in Bolívar, 1884: 31.
Spathalium ståli [sic] Bolívar, 1884 (incorrect original spelling of Spathalium stali Bolívar, 1884)
Spathalium ståli [sic] Bolívar, 1884 (incorrect original spelling of Ommexecha audouinii Blanchard, 1836)
Spathalium audouini (Blanchard, 1836) in Bolívar, 1884: 32.
Graea sommerii (Burmeister, 1838) in Karsch, 1888: 330.
Spathalium audouinii (Blanchard, 1836) in Giglio-Tos, 1897: 27.
Spathalium hispidum Bruner, 1900: 49.
Syntype; male; 1edf41f4-f19d-4ab7-8f72-ceeb0dc96acd; deposited at: Academy of Natural Sciences of Philadelphia (ANSP); Argentina: Santa Fe: San Lorenzo: Parque Estadual de Itapuã, Viamão, Rio Grande do Sul, Brazil.
Spathalium obscurum Bruner, 1900: 49.
Syntype; male; 050ed388-e2ca-42b3-8995-09646ff55efc; deposited at: Academy of Natural Sciences of Philadelphia (ANSP); Argentina: Córdoba: Colón: Carcarana OR Cordoba
Spathalium testaceum Bruner, 1900: 51.
Holotype; male; 72b30252-e1f6-4c3f-9a30-2152450961f0; Argentina: La Pampa: Toay: Toay
Spathalium viridis Bruner, 1900: 49.
Syntype; male; 6dd919fc-1c20-4b18-8ce6-7e02da0718e3; deposited at: Academy of Natural Sciences of Philadelphia (ANSP); Argentina: Santa Fe: San Lorenzo: Parque Estadual de Itapuã, Viamão, Rio Grande do Sul, Brazil.
Spathalium audouini (Blanchard, 1836) in Kirby, 1910: 298.
Spathalium paranense Rehn, 1913: 86.
Holotype; female; c420db0c-cb35-4724-aec6-c94445390f46; deposited at: Academy of Natural Sciences of Philadelphia (ANSP); Brazil: Paraná
Spathalium stali Bolívar, 1884 in Rehn, 1913: 329.
Spathalium stali Bolívar, 1884 in Rehn, 1915: 283.
Spathalium rehni Liebermann, 1938: 51.
Syntype; individual; 88f7755e-8cc6-4b64-a06a-183a7f23008e; Buenos Aires: General Lamadrid
Ommexecha sommeri Burmeister, 1838 in Liebermann, 1939: 166.
Spathalium hispidum Bruner, 1900 in Liebermann, 1939: 166.
Spathalium obscurum Bruner, 1900 in Liebermann, 1939: 166.
Spathalium rehni Liebermann, 1938 in Liebermann, 1939: 167.
Spathalium testaceum Bruner, 1900 in Liebermann, 1939: 166.
Spathalium viridis Bruner, 1900 in Liebermann, 1939: 166.
Spathalium audouini (Blanchard, 1836) in Liebermann, 1939: 166.
Spathalium hispidum Bruner, 1900 in Liebermann, 1948: 105.
Spathalium rehni Liebermann, 1938 (subjective synonym of Spathalium viridis Bruner, 1900) in Gurney & Liebermann, 1963: 135.
Spathalium testaceum Bruner, 1900 (subjective synonym of Ommexecha audouinii Blanchard, 1836) in Ronderos, 1972: 182.
Ommexecha sommeri Burmeister, 1838 (subjective synonym of Ommexecha audouinii Blanchard, 1836) in Ronderos, 1972: 181.
Spathalium hispidum Bruner, 1900 (subjective synonym of Ommexecha audouinii Blanchard, 1836) in Ronderos, 1972: 182.
Spathalium obscurum Bruner, 1900 (subjective synonym of Ommexecha audouinii Blanchard, 1836) in Ronderos, 1972: 181.
Spathalium paranense Rehn, 1913 (subjective synonym of Ommexecha audouinii Blanchard, 1836) in Ronderos, 1972: 182.
Spathalium rehni Liebermann, 1938 (subjective synonym of Ommexecha audouinii Blanchard, 1836) in Ronderos, 1972: 182.
Spathalium stali Bolívar, 1884 (subjective synonym of Ommexecha audouinii Blanchard, 1836) in Ronderos, 1972: 181.
Spathalium viridis Bruner, 1900 (subjective synonym of Ommexecha audouinii Blanchard, 1836) in Ronderos, 1972: 181.
Spathalium audouini (Blanchard, 1836) in Ronderos, 1972: 181.
Spathalium audouini (Blanchard, 1836) in Ronderos, 1979: 253.
Burmeister, H.C.C. (1838) Kaukerfe, Gymnognatha (Erste Hälfte: Vulgo Orthoptera). In Handbuch der Entomologie. Theodor Christian Friedrich Enslin, Berlin. Vol. 2, Issue I-VIII, 397–756 pp. Available at http://www.biodiversitylibrary.org/page/25467340#page/13/mode/1up
Giglio-Tos, E. (1897) Viaggio del Dott. A. Borelli nel Chaco Boliviano e nella Republica Argentina. X. Ortotteri. Bollettino dei Musei di Zoologia ed Anatomia comparata della Royal Università di Torino, 12(302), 1–47. Available at http://www.biodiversitylibrary.org/item/43370#page/241/mode/1up
Gurney, A.B. & Liebermann, J. (1963) Grasshoppers of the tribe Ommexechini: a key to genera, a new Argentine genus, and notes on others (Orthoptera: Acrididae). Proceedings of the Biological Society of Washington, 76, 127–138. Available at http://www.biodiversitylibrary.org/item/107599#page/151/mode/1up
Karsch, F.A.F. (1888) Beiträge zu Bolivar's Monografia de los Pirgomorfinos. Entomologische Nachrichten, 14(21), 328–335, 340–346, 355–361. Available at http://www.biodiversitylibrary.org/item/42933
Kirby, W.F. (1910) A Synonymic Catalogue of Orthoptera (Orthoptera Saltatoria, Locustidae vel Acridiidae). British Museum (Natural History), London, Vol. 3, Issue 2, 674 pp. Available at http://www.biodiversitylibrary.org/item/29660
Liebermann, J. (1938) El género "Spathalium" Bolivar, en la región neotropical, con la descripción de una nueva especie argentina. Revista de la Sociedad Entomológica Argentina, 10(1), 47–54. Available at http://www.biotaxa.org/RSEA/article/view/58230
Liebermann, J. (1939) Catálogo sistemático y biogeográfico de acridoideos argentinos. Revista de la Sociedad Entomológica Argentina, 10, 125–230. Available at http://www.biotaxa.org/RSEA/article/view/58220
Rehn, J.A.G. (1913) Descriptions and records of South American Orthoptera, with the description of a new subspecies from Clarion Island. Proceedings of the Academy of Natural Sciences of Philadelphia, 65, 82–113. Available at http://www.biodiversitylibrary.org/item/30014
Ronderos, R.A. (1972) Notas para una revisión de la subfamilia Ommexechinae 2. El género Spathalium Bolivar (Orthoptera: Acrididae, Ommexechini). Revista del Museo del La Plata, Sección Zoología, 11(104), 175–208.
Ronderos, R.A. (1979) La familia Ommexechidae (Orthoptera: Acridoidea). Acrida, 8(4), 241–273.