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Gymnarchus (aba knifefish)

Actinopteri - Osteoglossiformes - Gymnarchidae

Taxonomy
Gymnarchus was named by Cuvier (1829). It is extant.

It was assigned to Mormyridae by Sereno et al. (2008); and to Gymnarchidae by Otero et al. (2015).

Species lacking formal opinion data
G. niloticus

Synonymy list
YearName and author
1829Gymnarchus Cuvier
2008Gymnarchus Sereno et al.
2015Gymnarchus Otero et al. p. 5

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
superclassActinopterygii()
classActinopteri()
RankNameAuthor
subclassNeopterygii(Regan 1923)
—Teleosteomorpha
—Teleostei(Müller 1846)
—Osteoglossocephalai
—Osteoglossocephala
superorderOsteoglossomorpha
orderOsteoglossiformesBerg 1940
familyGymnarchidae
genusGymnarchusCuvier 1829

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Gymnarchus Cuvier 1829 [aba knifefish]
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: freshwatero
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Created: 2009-07-20 21:33:46
Modified: 2017-04-17 10:33:30
Source: o = order, subp = subphylum
References: Carroll 1988, Hendy et al. 2009

Age range: base of the Middle Eocene to the top of the Holocene or 48.07000 to 0.00000 Ma

Collections (41 total)


Time interval Ma Country or state Original ID and collection number
Middle Eocene - Late/Upper Eocene48.07 - 33.9Libya (Sirt) Gymnarchus sp. (175361 175362 187328)
Late/Upper Oligocene27.3 - 23.04Kenya Mormyridae indet. (174672)
Miocene - Pliocene23.04 - 2.58Uganda Gymnarchus niloticus (22217 22245 22247 22398 22400 22405 22433 22457)
Late/Upper Miocene11.63 - 5.333Uganda Gymnarchus niloticus (22358 22443)
Tortonian - Messinian11.63 - 5.333Kenya Gymnarchus sp. (22241)
Late/Upper Miocene - Early/Lower Pliocene11.63 - 3.6Uganda Gymnarchus niloticus (22345)
Messinian7.246 - 5.333Chad Gymnarchus sp. (59839)
Messinian - Zanclean7.246 - 3.6Kenya Gymnarchus sp. (22242)
Zanclean5.333 - 3.6Kenya Gymnarchus niloticus (21510) Gymnarchus sp. (22240 22338)
Pliocene5.333 - 2.58Uganda Gymnarchus niloticus (22265)
Zanclean - Piacenzian5.333 - 2.58Kenya Gymnarchus sp. (22235 22239)
Pliocene - Pleistocene5.333 - 0.0117Congo-Kinshasa Gymnarchus sp. (22346)
Late/Upper Pliocene - Piacenzian3.6 - 2.58Ethiopia Gymnarchus sp. (21546)
Piacenzian3.6 - 2.58Kenya Gymnarchus niloticus (21425)
Gelasian2.58 - 1.8Kenya Gymnarchus niloticus (21398 21478 21486 21504 21537) Gymnarchus sp. (21420)
Gelasian2.58 - 1.8Ethiopia Gymnarchus sp. (21545)
Gelasian - Calabrian2.58 - 0.774Kenya Gymnarchus niloticus (21367 21421 21495 21498)
Pleistocene - Holocene2.58 - 0.0Congo-Kinshasa Gymnarchus sp. (22098)
Calabrian1.8 - 0.774Kenya Gymnarchus niloticus (21368)
Holocene0.0117 - 0.0Niger Gymnarchus niloticus (83304)