- Ommexecha audouinii Blanchard, 1836: 611.
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
- ... Show all ... (36)
- 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
- Spathalium ståli [sic] Bolívar, 1884: 32. (not Latin)
- 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.