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Monotypic taxon:
Family †
Sillustaniidae
Crochet & Sigé, 1996
(mammal)
Taxa
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Hierarchy
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Entity:
†Polydolopiformes (Suborder)
..†Cocatherium (Genus)
..†Polydolopidae (Family)
..†Roberthoffstetteria (Genus)
..†Sillustaniidae (Family)
....†Sillustania (Genus)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Mammalia
-
(Order)
Polydolopimorphia
Original position
Questionably
†
Polydolopoidea
(Superfamily)
Ameghino, 1897
Original entries
†
Sillustania
(Genus)
Crochet & Sigé, 1996
Current position
†
Polydolopiformes
(Suborder)
Goin & Candela, 1996
Ref:
L.M. Carneiro et al., 2018
: fig. 5; Carneiro et al., 2018: fig. 5.
Alternative positions
†
Polydolopoidea
(Superfamily)
Ameghino, 1897
Ref:
M.C. McKenna & S.K. Bell, 1997
: 75.
Historical positions
†
Polydolopiformes
(Suborder)
Goin & Candela, 1996
Ref:
L.M. Carneiro et al., 2018
: fig. 5.
†
Polydolopoidea
(Superfamily)
Ameghino, 1897
Ref:
M.C. McKenna & S.K. Bell, 1997
: 75.
Number of Subtaxa
2026
Available in Systema Naturae 2000
†1g
1989-present
Systema Naturae 2000
: 29 Mar 2022
[; †1g]
2018
L.M. Carneiro et al.
: fig. 5
[; †1g]
1997
M.C. McKenna & S.K. Bell
[; †1g]
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026