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Taxon:
Family †
Sphenacodontidae
Marsh, 1878
(reptile)
Taxa
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Hierarchy
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Entity:
†Sphenacodontia (Suborder)
..[†Varanopsidae] (Family)
..†Sphenacodontidae (Family)
....†Dimetrodon (Genus)
....†Sphenacodon (Genus)
....†Sphenacodontinae (Subfamily)
Types
Nominotypical taxon [ICZN]
:
†
Sphenacodontinae
(Subfamily)
Romer, 1936
Type
:
†
Sphenacodon
(Genus)
Marsh, 1878
Synonyms
Synonymous name
:
†
Palaeohatteriidae
(Family)
Baur, 1889
Ref:
PBDB
: 8 Mar 2019.
Synonymous name
:
†
Pantelosauridae
(Family)
Huene, 1925
Ref:
PBDB
: 7 Oct 2017.
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026