Monotypic taxon: Family †Steropodontidae Flannery, Archer, Rich & Jones, 1995 (mammal)

Entity:

Concise hierarchy

Current position

Monotremata (Order) Bonaparte, 1837

Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): table 1.1 (p. 14).

*Monotremata* (Order) Bonaparte, 1837	Ref: Z. Kielan-Jaworowska et al., 2004 (alt.): table 1.1 (p. 14).
*Monotremata* (Order) Bonaparte, 1837	Ref: Z. Kielan-Jaworowska et al., 2004: table 6.1 (p. 206).

2024	Available in Systema Naturae 2000	†1g;1s
1989-present	Systema Naturae 2000: 12 Mar 2022	[; †1g;1s]
2004	Z. Kielan-Jaworowska et al.: table 6.1 (p. 206)	[; †2g;2s]