Thrichomys laurentius

{{short description|Species of mammals in the spiny rat family of rodents}}

{{speciesbox

| name =

| status = DD

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Roach, N. |date=2016 |title=Thrichomys laurentius |volume=2016 |page=e.T90386381A90386384 |doi=10.2305/IUCN.UK.2016-2.RLTS.T90386381A90386384.en |access-date=20 November 2021}}

| genus = Thrichomys

| species = laurentius

| authority = Thomas, 1904

| range_map =

}}

Thrichomys laurentius, the Sao Lourenço punaré, is a South American caviomorph rodent of the spiny rat family. It was formerly considered a subspecies of T apereoides.{{MSW3 Hystricognathi | id = 13400522 | page = 1589 | heading = Subspecies Thrichomys apereoides laurenteus}} It is endemic to the northern Caatinga ecoregion of northeastern Brazil,{{cite book | last1= Pessôa | first1=Leila M. | last2=Tavares |first2=William C. | last3=Neves |first3=Antonio C. A. | last4=da Silva | first4=André L. G. | chapter=Genus Thrichomys E.-L. Trouessart, 1980 | editor1-last = Patton | editor1-first = James L. | editor2-last = Pardiñas | editor2-first = Ulyses F. J. | editor3-last = D’Elía | editor3-first = Guillermo | editor1-link = James L. Patton | title= Mammals of South America, Volume 2: Rodents | chapter-url= https://books.google.com/books?id=mbjnBgAAQBAJ&pg=PA996 | date=9 March 2015 | publisher=University of Chicago Press | isbn=978-0-226-16957-6 | oclc = 921432000 | pages= 996–997}} a region of dry tropical forest and scrub, at elevations from 15 to 800 m. Little is known about its population trends and threats.