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Monotypic taxon:
Subclass
Prototheria
Gill, 1872
- monotremes
(mammal)
Taxa
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Hierarchy
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Entity:
Mammalia (Class) - mammals
..Theriimorpha (Clade)
..Prototheria (Subclass) - monotremes
....Yinotheria (Clade)
Authorship
SN2000 author citation
:
Gill, 1872
Original name & spelling
:
Gill, 1872: vi ("Sub-Class (Prototheria) Ornithodelphia"). [unranked].
≡
Subsequent rank
:
Subsequent publication
:
Huxley, 1880: 653; 661, 662 ("Stages of Evolution"). [unranked].
≡
Variants
Clade-based name
:
Prototheria
(Clade)
Gill 1872 [O'Leary, Allard, Novacek, Meng & Gatesy 2004]
Ref:
C.J. Burgin et al., 2020
: table 2 (p. 26).
[inferred]
Current rank
:
Prototheria
(Superlegion)
Gill, 1872
Ref:
A.O. Averianov & A.V. Lopatin, 2011
: 34.
[inferred]
Former rank
:
Prototheria
(Superlegion)
Gill, 1872
Ref:
C.J. Burgin et al., 2020
: table 2 (p. 26).
[inferred]
Synonyms
Accepted name
:
Monotremata
(Order)
Bonaparte, 1837
Synonymous name
:
Monotremata
(Order)
Bonaparte, 1837
Ref:
M.C. McKenna & S.K. Bell, 1997
Including
:
Ornithodelphia
(Infraclass)
(de Blainville, 1834)
Vernacular Names (Dutch)
Full name
:
eierleggende zoogdieren
Ref:
B. Grzimek (ed.), 1973-1975
Vernacular Names (English)
Full name
:
monotremes
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Last updated:
28 Aug 2026