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Taxon:
Genus
Dianema
Cope, 1871
(fish)
Taxa
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Hierarchy
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Entity:
Callichthyinae (Subfamily) - callichthyines
..Callichthys (Genus)
..Hoplosternum (Genus)
..Lepthoplosternum (Genus)
..Megalechis (Genus)
..Dianema (Genus)
....Dianema longibarbis (Species) - porthole catfish
....Dianema urostriatum (Species) - flagtail catfish
Authorship
Original name
:
Cope, 1871. Proc. Acad. nat. Sci. Philad., 1871, 112; 1872, 1871, 276.
Types
Type
:
Dianema longibarbis
Cope, 1872
Homonyms
Junior homonym (allowed)
:
Dianema
(Genus)
Rex (1891)
Ref:
S.J. Brands (comp.), 1989-present
: 30 Nov 2012.
Junior homonym
:
Dianema
(Genus)
Rex, 1891, nom. illeg.
Ref:
A.R. Loeblich Jr. & H. Tappan, 1961
: 266.
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Last updated:
21 Sep 2025