Ytororó order of battle

The following units and commanders of the Brazilian and Paraguayan armies fought in the Battle of Ytororó on December 6, 1866.

Brazilian Imperial Army

Marshal of the Army Luís Alves de Lima e Silva, Duke of Caxias

Marshal of the Army Luís Alves de Lima e Silva, Duke of Caxias

I Corps

General Jacinto Machado Bittencourt

Division	Brigade	Regiments and Others
5th Division Colonel Betbeze Olivera	4th Brigade Colonel Faria Rocha	25th Corpos de Voluntários 29th Corpos de Voluntários 33rd Corpos de Voluntários
	9th Brigade Colonel Lourenço de Araújo	41st Corpos de Voluntários 42nd Corpos de Voluntários 46th Corpos de Voluntários 51st Corpos de Voluntários
	10th Brigade Colonel Luis de Albuquerque Maranchao	23rd Corpos de Voluntários 47th Corpos de Voluntários 50th Corpos de Voluntários

II Corps

Coronel Hermes da Fonseca

General Alexandre Gomes de Argolo Ferrão Filho

Division	Brigade	Regiments and Others
1st Division General Antunes Gurjão	1st Brigade Colonel Miranda Reis	4th Line Battalion 12th Line Battalion 16th Line Battalion
	8th Brigade Colonel Hermes da Fonseca	8th Line Battalion 10th Line Battalion 32nd Corpos de Voluntários 38th Corpos de Voluntários
	13th Brigade Colonel Barros de Vasconcelos	24th Corpos de Voluntários 28th Corpos de Voluntários 51st Corpos de Voluntários
2nd Division General Salustiano Jerônimo dos Reis	2nd Brigade Colonel Rodrigues Seixas	2nd Line Battalion 26th Corpos de Voluntários 40th Corpos de Voluntários
	5th Brigade Colonel Fernando Machado de Sousa	1st Line Battalion 13th Line Battalion 34th Corpos de Voluntários 48th Corpos de Voluntários
Other	Cavalry Colonel João Niederauer Sobrinho	6th Provisional Cavalry Corps 9th Provisional Cavalry Corps 13th Provisional Cavalry Corps 7th Provisional Cavalry Corps, one squadron 20th Provisional Cavalry Corps, one squadron
	Artillery Colonel Lobo d'Eça	2nd Provisional Horse Artillery Regiment

III Corps

A cartoon of General Herculano Sancho da Silva Pedra

General Manuel Luís Osório

Division	Brigade	Regiments and Others
3rd Division General José Auto da Silva Guimarães	3rd Brigade Colonel Pereira Carvalho	3rd Line Battalion 9th Line Battalion 14th Line Battalion 35th Corpos de Voluntários
	7th Brigade Colonel Frederico de Mesquita	5th Line Battalion 39th Corpos de Voluntários 31st Corpos de Voluntários 55th Corpos de Voluntários
4th Division General Herculano da Silva Pedra	11th Brigade Colonel Olivera Bueno	11th Line Battalion 27th Corpos de Voluntários 32nd Corpos de Voluntários 29th Corpos de Voluntários
	12th Brigade Colonel Francisco Caldas	36th Corpos de Voluntários 44th Corpos de Voluntários 49th Corpos de Voluntários

Paraguayan Army

General Bernardino Caballero

Division	Brigade	Regiments and Others
Division General Bernardino Caballero	Cavalry General Bernardino Caballero	6th Cavalry Regiment 9th Cavalry Regiment 12th Cavalry Regiment 19th Cavalry Regiment 30th Cavalry Regiment
	Infantry Colonel Germán Serrano	2nd Infantry Battalion 3rd Infantry Battalion 20th Infantry Battalion 36th Infantry Battalion 37th Infantry Battalion 40th Infantry Battalion

Sources

• Warner, William. "Paraguayan Thermopylae: The Battle of Itororo", in Strategy & Tactics, issue 271 (November/December 2011).