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Prototheria (disused)
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 reranked as the unranked clade Prototheria by Averianov and Lopatin (2011).
It was assigned to Mammalia by Huxley (1880), Flower (1883), Cope (1889), Flower and Lydekker (1891), Parker and Haswell (1897), Gadow (1898), Hay (1902), Gregory (1910), Hay (1930), Waldman and Savage (1972), McKenna (1975), Carroll (1988) and Zhou et al. (1991); to Theria by Griffiths et al. (1991); and to Zatheria by Averianov and Lopatin (2011).
It was reranked as the infraclass Prototheria by Griffiths et al. (1991); it was reranked as the unranked clade Prototheria by Averianov and Lopatin (2011).
It was assigned to Mammalia by Huxley (1880), Flower (1883), Cope (1889), Flower and Lydekker (1891), Parker and Haswell (1897), Gadow (1898), Hay (1902), Gregory (1910), Hay (1930), Waldman and Savage (1972), McKenna (1975), Carroll (1988) and Zhou et al. (1991); to Theria by Griffiths et al. (1991); and to Zatheria by Averianov and Lopatin (2011).
Subtaxa
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 |
| 1898 | Prototheria Gadow p. 39 |
| 1902 | Prototheria Hay p. 555 |
| 1910 | Prototheria Gregory p. 464 |
| 1930 | Prototheria Hay p. 367 |
| 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. |
| 2011 | Prototheria Averianov and Lopatin p. 34 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Subcl. †Prototheria Gill 1872
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Invalid names: Ornithodelphia de Blainville 1834 [empty], Ornithostomi Cope 1889 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Hendy et al. 2009, Luo et al. 2003, Hopson 1973 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Kimmeridgian to the top of the Early/Lower Tithonian or 155.70000 to 145.00000 Ma
Minimum age of oldest fossil (stem group age): 145.0 Ma
Minimum age of oldest fossil (stem group age): 145.0 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Kimmeridgian - Early/Lower Tithonian | USA (Colorado) | Prototheria indet. (45975) |