Editing Allen's swamp monkey (section)

{{Short description|Species of Old World monkey}}
{{Speciesbox
| name = Allen's swamp monkey<ref name=msw3>{{MSW3 Primates|page=153|id=12100424}}</ref>
| status = LC
| status_system = IUCN3.1
| status_ref = <ref name="iucn status 19 November 2021">{{cite iucn |author=Maisels, F. |author2=Mittermeier, R.A. |author3=Oates, J.F. |author4=Hart, J. |date=2020 |title=''Allenopithecus nigroviridis'' |volume=2020 |page=e.T865A166606573 |doi=10.2305/IUCN.UK.2020-1.RLTS.T865A166606573.en |access-date=19 November 2021}}</ref>
| image = Allens swamp monkey.jpg
| image_caption = At the [[Lincoln Park Zoo]], [[Chicago]]
| display_parents = 3
| genus = Allenopithecus
| parent_authority = [[Herbert Lang|Lang]], 1923
| species = nigroviridis
| authority = ([[Reginald Innes Pocock|Pocock]], 1907)
| range_map = Allen's Swamp Monkey area.png
| range_map_caption = Allen's swamp monkey range
}}

The '''Allen's swamp monkey''' ('''''Allenopithecus nigroviridis''''') is a species of [[Old World monkey]] and the [[Monotypic taxon|only member]] of the genus '''''Allenopithecus'''''. Phylogenetically, it is a sister [[clade]] to the [[guenon]]s, but differs in dentition and habits.

Allen's swamp monkey was named after American zoologist [[Joel Asaph Allen]].<ref>{{Cite book |last1=Beolens |first1=Bo |last2=Watkins |first2=Michael |last3=Grayson |first3=Michael |year=2009 |title=The Eponym Dictionary of Mammals |url=https://books.google.com/books?id=I-kSmWLc6vYC |publisher=Johns Hopkins University Press |pages=8 |isbn=9780801895333}}</ref>