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Deltatheridium
Taxonomy
Deltatheridium was named by Gregory and Simpson (1926). It is not extant. Its type is Deltatheridium pretrituberculare.
It was assigned to Deltatheridiinae by Van Valen (1967); to Marsupialia by Van Valen (1974); to Boreosphenida by Martin and Rauhut (2005); to Metatheria by Horovitz (2003), Ladaveze and Muizon (2010); to Deltatheridiidae by Gregory and Simpson (1926), Simpson (1928), Kielan-Jaworowska et al. (1979), Averianov (1997), McKenna and Bell (1997), Kielan-Jaworowska et al. (2004), Averianov et al. (2010); and to Deltatheroida by Bi et al. (2015).
It was assigned to Deltatheridiinae by Van Valen (1967); to Marsupialia by Van Valen (1974); to Boreosphenida by Martin and Rauhut (2005); to Metatheria by Horovitz (2003), Ladaveze and Muizon (2010); to Deltatheridiidae by Gregory and Simpson (1926), Simpson (1928), Kielan-Jaworowska et al. (1979), Averianov (1997), McKenna and Bell (1997), Kielan-Jaworowska et al. (2004), Averianov et al. (2010); and to Deltatheroida by Bi et al. (2015).
Species
D. nessovi, D. pretrituberculare (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Deltatheridium Gregory and Simpson pp. 6-7 figs. 1A-B, 2-8 |
| 1928 | Deltatheridium Simpson p. 2 |
| 1967 | Deltatheridium Van Valen |
| 1974 | Deltatheridium Van Valen |
| 1979 | Deltatheridium Kielan-Jaworowska et al. p. 183 |
| 1997 | Deltatheridium Averianov p. 246 |
| 1997 | Deltatheridium McKenna and Bell |
| 2003 | Deltatheridium Horovitz |
| 2004 | Deltatheridium Kielan-Jaworowska et al. pp. 411, 445-446 figs. 12.4A-D, 12.7A |
| 2005 | Deltatheridium Martin and Rauhut |
| 2010 | Deltatheridium Averianov et al. p. 303 |
| 2010 | Deltatheridium Ladaveze and Muizon |
| 2015 | Deltatheridium Bi et al. |
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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.
G. †Deltatheridium Gregory and Simpson 1926
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†Deltatheridium nessovi Averianov 1997
†Deltatheridium pretrituberculare Gregory and Simpson 1926
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†Deltatheridium pretrituberculare pretrituberculare Gregory and Simpson 1926
†Deltatheridium pretrituberculare tardum Kielan-Jaworowska 1975
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Carroll 1988, Hendy et al. 2009, Hopson 1973, Fox and Naylor 1995, Kielan-Jaworowska et al. 1979 | |||||
Age range: base of the Early/Lower Campanian to the top of the Late/Upper Campanian or 83.60000 to 72.20000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian | Kazakhstan (Ongtüstik Qazaqstan) | D. nessovi (59730) | |
| Late/Upper Campanian | Mongolia (Omnogov) | D. pretrituberculare (37184 46152) | |
| Middle Campanian - Late/Upper Campanian | Mongolia (Omnogov) | D. pretrituberculare (11582 13776 28243) Insectivora indet. (37022) |