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Leptictida
Taxonomy
Leptictida was named by McKenna (1975). It is extant.
It was reranked as the order Leptictida by Kielan-Jaworowska et al. (2004) and Lopatin (2006).
It was assigned to Ernotheria by McKenna (1975); to Eutheria by McKenna and Bell (1997); to Eutheria by Wible et al. (2007); to Insectivora by Kielan-Jaworowska et al. (2004), Lopatin (2006) and Meehan and Martin (2010); and to Tamirtheria by Velazco et al. (2022).
It was reranked as the order Leptictida by Kielan-Jaworowska et al. (2004) and Lopatin (2006).
It was assigned to Ernotheria by McKenna (1975); to Eutheria by McKenna and Bell (1997); to Eutheria by Wible et al. (2007); to Insectivora by Kielan-Jaworowska et al. (2004), Lopatin (2006) and Meehan and Martin (2010); and to Tamirtheria by Velazco et al. (2022).
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Leptictida McKenna p. 41 |
| 1997 | Leptictida McKenna and Bell |
| 2004 | Leptictida Kielan-Jaworowska et al. pp. 494, 505-506 |
| 2006 | Leptictida Lopatin |
| 2007 | Leptictida Wible et al. |
| 2010 | Leptictida Meehan and Martin p. 102 |
| 2022 | Leptictida Velazco 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.
Superor. Leptictida McKenna 1975
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Fm. †Gypsonictopidae Van Valen 1967
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G. †Gypsonictops Simpson 1927
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†Gypsonictops clemensi Rigby, Jr. and Wolberg 1987
†Gypsonictops illuminatus Lillegraven 1969
†Gypsonictops lewisi Sahni 1972
Invalid names: Euangelistes Simpson 1929 [synonym]
Fm. †Leptictidae Gill 1872
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G. †Blacktops Meehan and Martin 2010
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†Blacktops latidens Meehan and Martin 2010
†Blacktops longinares Meehan and Martin 2010
Subfm. †Didelphodontinae Matthew 1918
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G. †Didelphodus Cope 1882
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†Didelphodus absarokae Cope 1881
†Didelphodus rheos Storer 1995
†Didelphodus serus Storer 1984
Invalid names: Didelphyodus Winge 1923 [synonym]
Subfm. †Leptictinae Gill 1872
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G. †Acmeodon Matthew and Granger 1921
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G. †Leptictis Leidy 1868
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†Leptictis acutidens Douglass 1902
†Leptictis bullatus Matthew 1899
†Leptictis dakotensis Leidy 1868
†Leptictis douglassi Novacek 1976
†Leptictis haydeni Leidy 1868
†Leptictis montanus Douglass 1905
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Invalid names: Ictops intermedius Douglass 1905 [synonym], Ictops tenuis Douglass 1905 [synonym]
†Leptictis thomsoni Matthew 1903
†Leptictis wilsoni Novacek 1976
Invalid names: Ictidops Winge 1917 [synonym], Ictops Leidy 1868 [synonym], Ictops major Douglass 1905 [nomen dubium], Isacis Cope 1873 [synonym], Isacis caniculus Cope 1873 [nomen dubium]
G. †Mesodectes Cope 1875
Invalid names: Diacodontinae Trouessart 1879 [synonym]
G. †Myrmecoboides Gidley 1915
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†Myrmecoboides arenarius Secord 2008
†Myrmecoboides montanensis Gidley 1915
G. †Palaeictops Matthew 1899
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†Palaeictops altimontis Velazco and Novacek 2016
†Palaeictops bicuspis Cope 1880
†Palaeictops borealis Russell 1965
†Palaeictops bridgeri Simpson 1959
†Palaeictops matthewi Novacek 1977
†Palaeictops robustus Velazco and Novacek 2016
Invalid names: Palaeictidops Winge 1917 [synonym], Parictops Granger 1910 [synonym]
G. †Prodiacodon Matthew 1929
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†Prodiacodon crustulum Novacek 1977
†Prodiacodon furor Novacek 1977
†Prodiacodon paucus Secord 2008
Invalid names: Palaeolestes Matthew and Granger 1918 [synonym]
G. †Scileptictis Tong and Wang 2006
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†Scileptictis simplus Tong and Wang 2006
†Scileptictis stenotalus Tong and Wang 2006
G. †Stenoleptictis Korth 2022
Invalid names: Gypsonictopinae Van Valen 1967 [empty], Ictopsidae Schlosser 1887 [synonym], Isacidae Cope 1874 [synonym], Procerberinae Sloan and Van Valen 1965 [empty]
Fm. †Pseudorhyncocyonidae Sigé 1974
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G. †Diaphyodectes Russell 1964
G. †Leptictidium Tobien 1962
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†Leptictidium auderiense Tobien 1962
†Leptictidium listeri Hooker 2013
†Leptictidium nasutum Storch and Lister 1985
†Leptictidium prouti Hooker 2013
†Leptictidium storchi Hooker 2013
†Leptictidium tobieni Koenigswald and Storch 1987
Invalid names: Ictopsia McKenna 1975 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Lillegraven 1979 | |||||
Collections (364 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Judithian | Canada (Alberta) | Gypsonictops lewisi (14451 14463 14471 14485) | |
| Judithian | USA (Utah) | Gypsonictops sp. C (14467) | |
| Judithian | USA (Wyoming) | Gypsonictops lewisi (14433 14458) | |
| Judithian | USA (New Mexico) | Gypsonictops sp. (14464) | |
| Late/Upper Campanian | USA (New Mexico) | Gypsonictops sp. (14436 14498 56627) | |
| Late/Upper Campanian | Canada (Alberta) | Gypsonictops lewisi (45899) | |
| Late/Upper Campanian | USA (Utah) | Gypsonictops sp. A (14466) Gypsonictops sp. B, Gypsonictops sp. A (75836) | |
| Middle Campanian - Late/Upper Campanian | USA (Montana) | Gypsonictops lewisi (14446 14461 14470) Gypsonictops sp. (14434 14457) | |
| Early/Lower Maastrichtian | Canada (Alberta) | Gypsonictops sp. (14502) | |
| Early/Lower Maastrichtian | USA (Alaska) | Gypsonictops sp. (14495) Sikuomys mikros (231243 231244) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Chadronian - Orellan | USA (South Dakota) | Megaleptictis altidens (154199) | |
| Late/Upper Chadronian - Orellan | USA (Nebraska) | Leptictis dakotensis, Blacktops sp. (230806) | |
| Orellan | Canada (Saskatchewan) | Leptictis sp. (17111) | |
| Orellan | USA (South Dakota) | Ictops dakotensis (17133) Ictops sp. (17094 17102 17174 17187 17188 17189 17190 17198) Leptictis haydeni (17295) Megaleptictis altidens (163487) | |
| Orellan | USA (Wyoming) | Leptictis dakotensis (17104 17105 17106) Leptictis sp. (17318) | |
| Orellan | USA (Colorado) | Ictops sp. (17081 17082) | |
| Orellan | USA (North Dakota) | Leptictis dakotensis (17100) | |
| Orellan | USA (Nebraska) | Blacktops longinares, Blacktops latidens (17221) Leptictis sp. (17098 17108) | |
| Whitneyan | Canada (Saskatchewan) | Leptictis sp. (17372) | |
| Whitneyan | USA (South Dakota) | Ictops sp. (17384) Leptictis dakotensis (17336) | |