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fix type species
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| taxon = Inia
| taxon = Inia
| authority = [[Alcide d'Orbigny|d'Orbigny]], 1834
| authority = [[Alcide d'Orbigny|d'Orbigny]], 1834
| type_species = ''[[Inia geoffrensis|Delphinus geoffrensis]]''
| type_species = ''[[Bolivian river dolphin|Inia boliviensis]]''
| type_species_authority = [[Henri Marie Ducrotay de Blainville|Blainville]], 1817
| type_species_authority = [[Alcide d'Orbigny|d'Orbigny]], 1834
| subdivision_ranks = Species
| subdivision_ranks = Species
| subdivision = * See text
| subdivision = * See text
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==Taxonomy==
==Taxonomy==
[[File:Boto skull (Inia spp).jpg|thumb|right|''Inia spp.'' skull]]
[[File:Boto skull (Inia spp).jpg|thumb|right|''Inia spp.'' skull]]
The genus was described by [[Alcide d'Orbigny]] in 1834 when ''Delphinus geoffrensis'', described by [[Henri Marie Ducrotay de Blainville]] in 1817, was recognized to be a unique [[taxon]]. A 1998 classification listed a single species, ''Inia geoffrensis'', in the genus ''Inia'', with three recognized [[subspecies]].<ref name=Rice>{{cite book | author = Rice, D. W. | year = 1998 | title = Marine mammals of the world: systematics and distribution | publisher = Society of Marine Mammalogy Special Publication Number 4 | page = 231}}</ref> Most of the scientific community accepted this single species classification, as does the [[IUCN]].<ref name="iucn">{{cite iucn|author1=da Silva, V.|author2= Trujillo, F.|author3= Martin, A.|author4= Zerbini, A.N.|author5= Crespo, E.|author6= Aliaga-Rossel, E. |author7= Reeves, R. |name-list-style=amp |year=2018 |title= ''Inia geoffrensis'' |page= e.T10831A50358152 |doi=10.2305/IUCN.UK.2018-2.RLTS.T10831A50358152.en}}</ref> As of 2016 the Committee on Taxonomy of the [[Society for Marine Mammalogy]] considers the genus ''Inia'' to contain one species with only two subspecies: the Bolivian (''I. g. boliviensis'') and the Amazon (''I. g. geoffrensis)'' subspecies.<ref>{{cite web|url=https://www.marinemammalscience.org/species-information/list-marine-mammal-species-subspecies/|title=List of Marine Mammal Species and Subspecies - Society for Marine Mammalogy|website=www.marinemammalscience.org|date=13 November 2016 |language=en-US|access-date=2017-09-01}}</ref> In 2014, the population in the [[Araguaia River|Araguaia]]-[[Tocantins River|Tocantins]] basin was proposed to define an additional species, ''Inia araguaiaensis'',<ref name="Hrbek2014">{{Cite journal | last1 = Hrbek | first1 = Tomas| last2 = Da Silva | first2 = Vera Maria Ferreira| last3 = Dutra | first3 = Nicole| last4 = Gravena | first4 = Waleska| last5 = Martin | first5 = Anthony R.| last6 = Farias | first6 = Izeni Pires| editor1-last = Turvey | editor1-first = Samuel T.| title = A New Species of River Dolphin from Brazil or: How Little Do We Know Our Biodiversity| doi = 10.1371/journal.pone.0083623 | journal = [[PLOS ONE]] | volume = 9 | pages = e83623 | date = 2014-01-22| issue = 1| pmid = 24465386| pmc = 3898917| bibcode = 2014PLoSO...983623H| doi-access = free}}</ref> but this remains debated. The [[American Society of Mammalogists]] recognizes the highest number of species at four, although this is only tentative, pending further studies which could either confirm or deny the classification.<ref>{{cite mdd|genus=inia|access-date=2021-09-05}}</ref>
The genus was described by [[Alcide d'Orbigny]] in 1834 when ''Delphinus geoffrensis'', described by [[Henri Marie Ducrotay de Blainville]] in 1817, was recognized to be a unique [[taxon]]. D'Orbigny also described ''Inia boliviensis'' as type species of the genus.<ref>{{Cite journal | last1 = Robineau | first1 = Daniel | last2 = Buffrénil | first2 = Vivian, de | title = Early descriptions of whales: D'Orbigny, A. 1834. Note on a new cetacean genus, from the rivers of the central part of South America. [Notice sur un nouveau genre de cétacé, des rivières du centre de l'Amèrique méridionale. Nouvelles annales du Muséum d'histoire naturelle, 3:28–36]. | pages = 209–212 | year = 2003 | journal = Journal of Cetacean Research and Management | volume = 5 | issue = 3 | doi = 10.47536/jcrm.v5i3.799 | doi-access = free}}</ref> A 1998 classification listed a single species, ''Inia geoffrensis'', in the genus ''Inia'', with three recognized [[subspecies]].<ref name=Rice>{{cite book | author = Rice, D. W. | year = 1998 | title = Marine mammals of the world: systematics and distribution | publisher = Society of Marine Mammalogy Special Publication Number 4 | page = 231}}</ref> Most of the scientific community accepted this single species classification, as does the [[IUCN]].<ref name="iucn">{{cite iucn|author1=da Silva, V.|author2= Trujillo, F.|author3= Martin, A.|author4= Zerbini, A.N.|author5= Crespo, E.|author6= Aliaga-Rossel, E. |author7= Reeves, R. |name-list-style=amp |year=2018 |title= ''Inia geoffrensis'' |page= e.T10831A50358152 |doi=10.2305/IUCN.UK.2018-2.RLTS.T10831A50358152.en}}</ref> As of 2016 the Committee on Taxonomy of the [[Society for Marine Mammalogy]] considers the genus ''Inia'' to contain one species with only two subspecies: the Bolivian (''I. g. boliviensis'') and the Amazon (''I. g. geoffrensis)'' subspecies.<ref>{{cite web|url=https://www.marinemammalscience.org/species-information/list-marine-mammal-species-subspecies/|title=List of Marine Mammal Species and Subspecies - Society for Marine Mammalogy|website=www.marinemammalscience.org|date=13 November 2016 |language=en-US|access-date=2017-09-01}}</ref> In 2014, the population in the [[Araguaia River|Araguaia]]-[[Tocantins River|Tocantins]] basin was proposed to define an additional species, ''Inia araguaiaensis'',<ref name="Hrbek2014">{{Cite journal | last1 = Hrbek | first1 = Tomas| last2 = Da Silva | first2 = Vera Maria Ferreira| last3 = Dutra | first3 = Nicole| last4 = Gravena | first4 = Waleska| last5 = Martin | first5 = Anthony R.| last6 = Farias | first6 = Izeni Pires| editor1-last = Turvey | editor1-first = Samuel T.| title = A New Species of River Dolphin from Brazil or: How Little Do We Know Our Biodiversity| doi = 10.1371/journal.pone.0083623 | journal = [[PLOS ONE]] | volume = 9 | pages = e83623 | date = 2014-01-22| issue = 1| pmid = 24465386| pmc = 3898917| bibcode = 2014PLoSO...983623H| doi-access = free}}</ref> but this remains debated. The [[American Society of Mammalogists]] recognizes the highest number of species at four, although this is only tentative, pending further studies which could either confirm or deny the classification.<ref>{{cite mdd|genus=inia|access-date=2021-09-05}}</ref>


'''American Society of Mammalogists Classification'''
'''American Society of Mammalogists Classification'''

Revision as of 02:39, 18 February 2024

This article is about the genus of dolphin. For other uses, see Inia (disambiguation).

Inia
An Amazon river dolphin at the Duisburg Zoo.
Size compared to an average human
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Infraorder: Cetacea
Family: Iniidae
Genus: Inia
d'Orbigny, 1834
Type species
Inia boliviensis
d'Orbigny, 1834
Species
  • See text
Inia spp. ranges. I. araguaiaensis, I. geoffrensis and I. boliviensis are blue, light green and purple, respectively. I. humboldtiana is grouped with geoffrensis.

Inia is a genus of river dolphins from South America containing one to four species.

Taxonomy

Inia spp. skull

The genus was described by Alcide d'Orbigny in 1834 when Delphinus geoffrensis, described by Henri Marie Ducrotay de Blainville in 1817, was recognized to be a unique taxon. D'Orbigny also described Inia boliviensis as type species of the genus.[1] A 1998 classification listed a single species, Inia geoffrensis, in the genus Inia, with three recognized subspecies.[2] Most of the scientific community accepted this single species classification, as does the IUCN.[3] As of 2016 the Committee on Taxonomy of the Society for Marine Mammalogy considers the genus Inia to contain one species with only two subspecies: the Bolivian (I. g. boliviensis) and the Amazon (I. g. geoffrensis) subspecies.[4] In 2014, the population in the Araguaia-Tocantins basin was proposed to define an additional species, Inia araguaiaensis,[5] but this remains debated. The American Society of Mammalogists recognizes the highest number of species at four, although this is only tentative, pending further studies which could either confirm or deny the classification.[6]

American Society of Mammalogists Classification

Genus Inia

IUCN Classification

Genus Inia

Society For Marine Mammalogy Classification

References

  1. ^ Robineau, Daniel; Buffrénil, Vivian, de (2003). "Early descriptions of whales: D'Orbigny, A. 1834. Note on a new cetacean genus, from the rivers of the central part of South America. [Notice sur un nouveau genre de cétacé, des rivières du centre de l'Amèrique méridionale. Nouvelles annales du Muséum d'histoire naturelle, 3:28–36]". Journal of Cetacean Research and Management. 5 (3): 209–212. doi:10.47536/jcrm.v5i3.799.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  2. ^ Rice, D. W. (1998). Marine mammals of the world: systematics and distribution. Society of Marine Mammalogy Special Publication Number 4. p. 231.
  3. ^ da Silva, V.; Trujillo, F.; Martin, A.; Zerbini, A.N.; Crespo, E.; Aliaga-Rossel, E. & Reeves, R. (2018). "Inia geoffrensis". IUCN Red List of Threatened Species. 2018: e.T10831A50358152. doi:10.2305/IUCN.UK.2018-2.RLTS.T10831A50358152.en.
  4. ^ "List of Marine Mammal Species and Subspecies - Society for Marine Mammalogy". www.marinemammalscience.org. 13 November 2016. Retrieved 2017-09-01.
  5. ^ Hrbek, Tomas; Da Silva, Vera Maria Ferreira; Dutra, Nicole; Gravena, Waleska; Martin, Anthony R.; Farias, Izeni Pires (2014-01-22). Turvey, Samuel T. (ed.). "A New Species of River Dolphin from Brazil or: How Little Do We Know Our Biodiversity". PLOS ONE. 9 (1): e83623. Bibcode:2014PLoSO...983623H. doi:10.1371/journal.pone.0083623. PMC 3898917. PMID 24465386.
  6. ^ "Inia". ASM Mammal Diversity Database. American Society of Mammalogists. Retrieved 2021-09-05.
General references


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