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Taxon:
Genus †
Sphenocephalus
Agassiz, 1838
(fish)
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Entity:
†Sphenocephalidae (Family)
..†Xenyllion (Genus)
..†Sphenocephalus (Genus)
Authorship
Original name
:
Agassiz, 1838. Poiss. Foss., 4, 4, 129 (1839).
Types
Type of
:
†
Sphenocephaliformes
(Order)
Rosen & Patterson, 1969
Ref:
R. van der Laan, 2018
: 72.
[implicit]
Type of
:
†
Sphenocephaloidei
(Suborder)
Type, by monotypy, of
:
†
Sphenocephalidae
(Family)
Patterson, 1964
Ref:
C. Patterson, 1964
: 383.
[
new
] [implicit]
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Last updated:
21 Sep 2025