Question: José Benito Villafane was governor of a province in Argentina where which dinosaur was discovered ?

Context paragraphs:
José Benito Ríos: José Benito Ríos González (born 4 March 1935 – 30 May 2008) was a Chilean footballer.

José Benito Ortega: José Benito Ortega (1858–1941) was an American sculptor, principally a santero.

José Barros: José Benito Barros or simply José Barros (March 21, 1915 in El Banco, Magdalena – May 12, 2007 in Santa Marta, Magdalena) was a Colombian musician, composer of more than 800 songs in the musical genres of cumbia, porro, merengue, currulao, paseo, bolero and tango.  Considered one of the most ingenious and versatile Colombian musical composers.

José Benito Lamas: José Benito Lamas (Montevideo, 12 January 1787 - 9 May 1857) was a Roman Catholic priest from the Banda Oriental.

La Rioja Province, Argentina: La Rioja (] ) is one of the provinces of Argentina and is located in the west of the country.  Neighboring provinces are from the north clockwise Catamarca, Córdoba, San Luis and San Juan.  The dinosaur "Riojasaurus" is named after the province.

José Benito Vives de Andréis Marine and Coastal Research Institute: José Benito Vives de Andréis Marine and Coastal Research Institute

José Benito Monterroso: José Benito Silverio Monterroso Bermúdez (Montevideo 1780-1838) was a Roman Catholic priest from the Banda Oriental, the pre-independence name of Uruguay.

Juan Bautista Lázaro de Diego: Juan Bautista Lázaro de Diego (León, 1849 - Ciempozuelos, 1919) was a Spanish architect, born to jurist José Benito Lázaro and "astorgana" María de Diego Pinillos.  He was a disciple of Juan de Madrazo, a gothic revivalist in charge of León Cathedral's restoration, a project in which Lázaro de Diego took part, specializing in stained glass workmanship.  He received a gold medal in the National Exhibition of Fine Arts of 1897 and the Great Cross of Isabella the Catholic in 1901.

José Benito Villafañe: José Benito Villafane (9 July 1790 – May 1831) was an Argentine soldier who participated in the war of independence and was governor of La Rioja Province, Argentina, under the protection of the "caudillo" Facundo Quiroga.

José Benito de Churriguera: José Benito de Churriguera (21 March 1665 – 2 March 1725) was a Spanish architect, sculptor and urbanist of the late-Baroque or Rococo style.  He was born in Madrid to a Catalan cabinetmaker, gilder and altarpiece joiner, Josep Simó Xoriguera i Elies and to doña Maria de Ocaña, and studied under his father along with two of his brothers.

Supporting paragraphs: José Benito Villafañe La Rioja Province, Argentina
Answer: Riojasaurus