The Taxonomicon
Entity by Scientific Name
Entity by Epithet
Entity by Identifier
Entity by Common Name
Taxon by Scientific Name (above family group)
Taxon by Scientific Name (family group)
Taxon by Scientific Name (genus group)
Taxon by Scientific Name (species group)
Taxon by Scientific Name (below species group)
Taxon by Authorship
Object by Name
Object by Number
Phenomenon by Name
Homonym
Topic
Person by Last Name
Organization by Name
Reference by Year
Reference by Title
Home
Site map
|
Contact
Taxon:
Family †
Kermackiidae
Butler, 1978
(mammal)
Taxa
Advanced Search
Entity
Hide Invalid Names
Show Alternatives
Bookmarks
Set Bookmark
Go to Bookmark
Hierarchy
Nomenclature
Taxonomy
Properties
Relationships
Bibliography
Links
Entity:
Boreosphenida (Clade)
..†Aegialodontia (Order)
..†Hypomylos (Genus)
..†Paleomolops (Genus)
..†Picopsidae (Family)
..†Potamotelses (Genus)
..Theria (Subclass)
..†Tribotherium (Genus)
..†Zygiocuspis (Genus)
..†Kermackiidae (Family)
....†Kermackia (Genus)
....†Trinititherium (Genus)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Mammalia
Subsequent positions
Theria
(Supercohort)
Parker & Haswell, 1897
Ref:
M.C. McKenna & S.K. Bell, 1997
: 50.
Original entries
Questionably
†
Trinititherium
(Genus)
Butler, 1978
Subsequent entries
†
Kermackia
(Genus)
Slaughter, 1971
Ref:
1978
[assumed]
Current position
Boreosphenida
(Clade)
Luo, Cifelli & Kielan-Jaworowska 2001
Ref:
Z. Kielan-Jaworowska et al., 2004
: table 11.1 (p. 411); Ni et al., 2016: fig. 4; Wilson et al., 2016: fig. 3.
[implicit]
Alternative positions
Boreosphenida
(Subclass)
Luo, Cifelli & Kielan-Jaworowska, 2001
Ref:
Z. Kielan-Jaworowska et al., 2004
: table 11.1 (p. 411); Ni et al., 2016: fig. 4; Wilson et al., 2016: fig. 3.
Theria
(Supercohort)
Parker & Haswell, 1897
Ref:
M.C. McKenna & S.K. Bell, 1997
: 50.
[
new position
]
Historical positions
Boreosphenida
(Subclass)
Luo, Cifelli & Kielan-Jaworowska, 2001
Ref:
Z. Kielan-Jaworowska et al., 2004
: table 11.1 (p. 411).
Theria
(Supercohort)
Parker & Haswell, 1897
Ref:
M.C. McKenna & S.K. Bell, 1997
: 50.
[
new position
]
Number of Subtaxa
2025
Available in Systema Naturae 2000
†2g;2s
1989-present
Systema Naturae 2000
: 25 Mar 2022
[; †2g;2s]
2004
Z. Kielan-Jaworowska et al.
: table 11.1 (p. 411)
[; †2g;2s]
1997
M.C. McKenna & S.K. Bell
[; †2g]
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025