Editing Cyprinodontiformes (section)

==Systematics==
Based on [[Eschmeyer's Catalog of Fishes|''Eschmeyer's Catalog of Fishes'']] (2025):<ref name=":1">{{Cite web |last1=Fricke |first1=R. |last2=Eschmeyer |first2=W. N. |last3=Van der Laan |first3=R. |date=2025 |title=ESCHMEYER'S CATALOG OF FISHES: CLASSIFICATION |url=https://www.calacademy.org/eschmeyers-catalog-of-fishes-classification |access-date=2025-02-10 |website=California Academy of Sciences |language=en}}</ref>[[Image:Guppy-male.jpg|thumb|right|[[Guppy]], a live-bearer of the [[Poeciliidae]]]]
'''CYPRINODONTIFORMES'''
* Suborder [[Aplocheiloidei]] (all oviparous)
** Family [[Aplocheilidae]] - Asian killifishes
** Family [[Nothobranchiidae]] - African killifishes
** Family †[[Kenyaichthyidae]] (Miocene of Kenya)<ref name=":0">{{Cite journal |last1=Altner |first1=Melanie |last2=Reichenbacher |first2=Bettina |date=2015-04-29 |title=†Kenyaichthyidae fam. nov. and †Kenyaichthys gen. nov. – First Record of a Fossil Aplocheiloid Killifish (Teleostei, Cyprinodontiformes) |journal=PLOS ONE |language=en |volume=10 |issue=4 |pages=e0123056 |bibcode=2015PLoSO..1023056A |doi=10.1371/journal.pone.0123056 |issn=1932-6203 |pmc=4414574 |pmid=25923654 |doi-access=free}}</ref>
** Family [[Rivulidae]] - New World killifishes
* Suborder [[Cyprinodontoidei]]
** Family [[Pantanodontidae]] - spine killifishes (oviparous)
** Family [[Fundulidae]] - topminnows (oviparous)
** Family [[Cyprinodontidae]] - pupfishes (oviparous)
** Family [[Profundulidae]] - Middle American killifishes (oviparous)
** Family [[Goodeidae]] - splitfins or goodeids (largely viviparous)
** Family [[Fluviphylacidae]] - American lampeyes (oviparous)
** Family [[Anablepidae]] - four-eyed fish (largely ovoviviparous)
** Family [[Poecilidae]] - livebearers (viviparous)
** Family [[Aphaniidae]] - Oriental killifishes (oviparous)
** Family [[Valenciidae]] - Valencia toothcarps (oviparous)
** Family [[Procatopodinae|Procatopodidae]] - African lampeyes (oviparous)

The family Aplocheilidae has been expanded by some authorities to include all the killifishes with three subfamilies, Aplocheilinae, Cynolebiinae and Nothobranchiinae,<ref name=Costa2016>{{cite journal | author = Costa, W.J.E.M. | year = 2016 | url = http://www.senckenberg.de/files/content/forschung/publikationen/vertebratezoology/vz66-2/03_vertebrate_zoology_66-2_costa_125-140.pdf | title = Comparative morphology and classification of South American cynopoeciline killifishes (Cyprinodontiformes: Aplocheilidae), with notes on family-group names used for aplocheiloids.  | journal =Vertebrate Zoology | volume = 66 | issue = 2 | pages = 125–140| doi = 10.3897/vz.66.e31538 | doi-access = free }}</ref> but this is not the classification adopted in the 5th Edition of ''[[Fishes of the World]]''.<ref name = Nelson5>{{cite book |title=Fishes of the World |edition=5th |author1=J. S. Nelson |author2=T. C. Grande |author3=M. V. H. Wilson |year=2016 |pages=371 |publisher=Wiley |isbn=978-1-118-34233-6 |url=https://sites.google.com/site/fotw5th/ |access-date=2019-08-25 |archive-date=2019-04-08 |archive-url=https://web.archive.org/web/20190408194051/https://sites.google.com/site/fotw5th/ |url-status=dead }}</ref>

=== Phylogeny ===
Based on:<ref name=":0" /><ref name=":02">{{Cite journal |last1=Bragança |first1=Pedro H. N. |last2=Amorim |first2=Pedro F. |last3=Costa |first3=Wilson J. E. M. |date=2018-02-09 |title=Pantanodontidae (Teleostei, Cyprinodontiformes), the sister group to all other cyprinodontoid killifishes as inferred by molecular data |url=https://zse.pensoft.net/articles.php?id=22173 |journal=Zoosystematics and Evolution |language=en |volume=94 |issue=1 |pages=137–145 |doi=10.3897/zse.94.22173 |issn=1860-0743 |doi-access=free}}</ref>{{Clade
|label1='''Cyprinodontiformes'''
|1={{clade
 |label1=[[Aplocheiloidei]]
 |1={{clade
 |1=[[Aplocheilidae]]
 |2={{clade
   |1=[[Nothobranchiidae]]
   |2=[[Rivulidae]]
   |3={{extinct}}[[Kenyaichthyidae]]
    }}
 }}
  |label2=[[Cyprinodontoidei]]
  |2={{clade
     |1=[[Pantanodontidae]]
     |2={{clade
       |1=[[Cyprinodontidae]]
       |2={{clade
          |1={{clade
            |1=[[Profundulidae]]
            |2=[[Goodeidae]]
          }}
          |2={{clade
             |1=[[Fundulidae]]
             |2={{clade
               |1={{clade
                  |1=[[Fluviphylacidae]] 
                  |2={{clade
                     |1=[[Anablepidae]]
                     |2=[[Poecilidae]]
                  }}
               }}
               |2={{clade
                 |1=[[Procatopodidae]]
                 |2={{clade
                    |1=[[Aphaniidae]]
                    |2=[[Valenciidae]]
                 }}
              }}
        }}
       }}
      }}
   }}
}}
}}
}}