| Basic info | Taxonomic history | Classification | Relationships |
| Morphology | Ecology and taphonomy | Map | Age range and collections |
Prototheria
Taxonomy
Prototheria was named by Gill (1872). It was considered monophyletic by Waldman and Savage (1972).
It was reranked as the infraclass Prototheria by Griffiths et al. (1991).
It was assigned to Theria by Griffiths et al. (1991); and to Mammalia by Huxley (1880), Flower (1883), Cope (1889), Flower and Lydekker (1891), Parker and Haswell (1897), Gregory (1910), Waldman and Savage (1972), McKenna (1975), Carroll (1988) and Zhou et al. (1991).
It was reranked as the infraclass Prototheria by Griffiths et al. (1991).
It was assigned to Theria by Griffiths et al. (1991); and to Mammalia by Huxley (1880), Flower (1883), Cope (1889), Flower and Lydekker (1891), Parker and Haswell (1897), Gregory (1910), Waldman and Savage (1972), McKenna (1975), Carroll (1988) and Zhou et al. (1991).
Synonymy list
| Year | Name and author |
|---|---|
| 1872 | Prototheria Gill |
| 1880 | Prototheria Huxley p. 657 |
| 1883 | Prototheria Flower p. 183 |
| 1889 | Prototheria Cope p. 873 |
| 1891 | Prototheria Flower and Lydekker p. 88 |
| 1897 | Prototheria Parker and Haswell p. 448 |
| 1910 | Prototheria Gregory p. 464 |
| 1972 | Prototheria Waldman and Savage |
| 1975 | Prototheria McKenna p. 40 |
| 1988 | Prototheria Carroll |
| 1991 | Prototheria Griffiths et al. p. 90 |
| 1991 | Prototheria Zhou et al. |
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