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Leptictidae

Mammalia - Leptictidae

Synonyms
Synonymy list
YearName and author
1872Leptictidae Gill
1874Isacidae Cope
1887Ictopsidae Schlosser
1889Leptictidae Cope p. 876
1902Leptictidae Hay p. 738
1910Leptictidae Gregory p. 464
1911Leptictidae Jaekel p. 210
1927Leptictidae Simpson p. 6
1930Leptictidae Hay p. 429
1965Leptictidae Sloan and Van Valen p. 225
1966Leptictidae Johnson p. 80
1967Leptictidae Van Valen
1976Leptictidae Novacek p. 3
1985Leptictidae Novacek et al. p. 464
1997Leptictidae McKenna and Bell
2007Leptictidae Wible et al.
2010Leptictidae Meehan and Martin p. 102
2010Leptictidae Silcox et al.
2015Leptictidae Clemens
2016Leptictidae Velazco and Novacek p. 4
2022Leptictidae Korth p. 310
2022Leptictidae Korth et al.
2022Leptictidae Velazco et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
RankNameAuthor
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
superorderLeptictida
familyLeptictidaeGill 1872
familyLeptictidaeGill 1872

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.

Fm. †Leptictidae Gill 1872
show all | hide all
G. †Amphigyion Gingerich and Smith 2006
+
†Amphigyion straitae Gingerich and Smith 2006
G. †Asioictops Tong and Wang 2006
+
†Asioictops mckennai Tong and Wang 2006
G. †Blacktops Meehan and Martin 2010
+
†Blacktops latidens Meehan and Martin 2010
†Blacktops longinares Meehan and Martin 2010
Subfm. †Didelphodontinae Matthew 1918
+
G. †Didelphodus Cope 1882
+
†Didelphodus absarokae Cope 1881
†Didelphodus rheos Storer 1995
†Didelphodus serus Storer 1984
Invalid names: Didelphyodus Winge 1923 [synonym]
G. †Phenacops Matthew 1909
+
†Phenacops incerta Matthew 1909
G. †Eoictops Gunnell et al. 2016
+
†Eoictops novaceki Gunnell et al. 2016
Subfm. †Leptictinae Gill 1872
+
G. †Acmeodon Matthew and Granger 1921
+
†Acmeodon secans Matthew and Granger 1921
+
Invalid names: Acmeodon hyoni Rigby, Jr. 1980 [synonym]
G. †Hypictops Gazin 1949
+
†Hypictops syntaphus Gazin 1949
G. †Leptictis Leidy 1868
+
†Leptictis acutidens Douglass 1902
†Leptictis bullatus Matthew 1899
†Leptictis dakotensis Leidy 1868
†Leptictis douglassi Novacek 1976
†Leptictis haydeni Leidy 1868
†Leptictis montanus Douglass 1905
+
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. †Megaleptictis Meehan and Martin 2012
+
†Megaleptictis altidens Meehan and Martin 2012
G. †Mesodectes Cope 1875
G. †Xenacodon Matthew and Granger 1921
+
†Xenacodon mutilatus Matthew and Granger 1921
Invalid names: Diacodontinae Trouessart 1879 [synonym]
G. †Myrmecoboides Gidley 1915
+
†Myrmecoboides arenarius Secord 2008
G. †Palaeictops Matthew 1899
+
†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
+
+
Invalid names: Diacodon pearcei Gazin 1956 [synonym]
†Prodiacodon crustulum Novacek 1977
†Prodiacodon furor Novacek 1977
†Prodiacodon paucus Secord 2008
†Prodiacodon tauricinerei Jepsen 1930
+
Invalid names: Diacodon pineyensis Gazin 1952 [synonym]
Invalid names: Palaeolestes Matthew and Granger 1918 [synonym]
Subfm. †Pseudorhynchocyoninae Sige 1974
+
G. †Pseudorhynchocyon Filhol 1895
G. †Scileptictis Tong and Wang 2006
+
†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]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: insectivoref
Diet 2: carnivoref
Reproduction: viviparoussubc
Comments: "insectivorous" but with a diet including "small vertebrates"; skeleton has "adaptations towards digging and saltatory locomotion"f
Created: 2011-04-16 19:28:33
Modified: 2011-04-16 04:29:22
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Meehan and Martin 2010, Ji et al. 2002, Hendy et al. 2009, Lillegraven 1979

Age range: base of the Torrejonian to the top of the Whitneyan or 63.80000 to 30.80000 Ma

Collections (255 total)


Time interval Ma Country or state Original ID and collection number
Puercan66.0 - 63.3USA (Montana) Palaeictops sp., Prodiacodon crustulum (14766) Prodiacodon crustulum (14666 14759 14799 14800 183112 183113 183114 218653)
Puercan66.0 - 63.3Canada (Saskatchewan) Prodiacodon sp. (14691 14768)
Puercan66.0 - 63.3USA (New Mexico) Leptictidae indet. (14794)
To263.8 - 60.9Canada (Alberta) Prodiacodon furor (14894)
Torrejonian63.8 - 60.9USA (New Mexico) Acmeodon secans (14815 14816 14833 14868 187009) Leptictidae indet., Acmeodon secans (14893)
Torrejonian63.8 - 60.9USA (Texas) Palaeictops sp. (14956)
Torrejonian63.8 - 60.9USA (Wyoming) Acmeodon hyoni, Diacodon concordiarcensis, Myrmecoboides montanensis (14886) Acmeodon secans (14881 14896 14899) Leptictidae indet., Myrmecoboides sp., Palaeictops sp. (14912) Prodiacodon sp. (14897 14900 14904) Prodiacodon sp., Acmeodon secans (14898 14905)
Torrejonian63.8 - 60.9USA (Montana) Myrmecoboides montanensis, Prodiacodon concordiarcensis, Prodiacodon furor (14906)
Torrejonian63.8 - 60.9USA (Utah) Acmeodon sp., Myrmecoboides sp. (14830)
Torrejonian - Tiffanian63.8 - 56.8USA (Wyoming) Acmeodon secans (14858)
Ti161.7 - 56.8Canada (Alberta) Myrmecoboides montanensis, Prodiacodon concordiarcensis, Prodiacodon furor (14939)
Ti361.7 - 56.8Canada (Alberta) Prodiacodon sp. (14992)
Tiffanian61.7 - 56.8USA (Montana) Acmeodon sp. (14937 15047) Myrmecoboides montanensis (15008) Myrmecoboides montanensis, Prodiacodon concordiarcensis, Prodiacodon furor, Palaeoryctidae indet. (15025)
Tiffanian61.7 - 56.8USA (Colorado) Xenacodon mutilatus (14967)
Tiffanian61.7 - 56.8USA (North Dakota) Prodiacodon sp. (14976)
Tiffanian61.7 - 56.8USA (Wyoming) Acmeodon hyoni (14983) Acmeodon hyoni, Prodiacodon concordiarcensis (198264) Acmeodon secans (15012 15013 15014 15015 15016) Diacodon pearcei (14989) Leptictidae indet. (15036) Myrmecoboides sp. (15017) Palaeictops sp. (15032) Palaeictops sp., Prodiacodon concordiarcensis (15049) Palaeictops sp., Prodiacodon sp. (26569) Prodiacodon concordarcensis (198263) Prodiacodon concordiarcensis, Prodiacodon furor (14936) Prodiacodon paucus (15059) Prodiacodon sp. (15034) Prodiacodon tauricinerei (15058 85096 190462)
Late/Upper Paleocene58.7 - 55.8USA (Wyoming) Prodiacodon sp. (15024)
Clarkforkian56.2 - 54.9USA (Wyoming) Prodiacodon tauricinerei (15085 15107 15159)
Clarkforkian56.2 - 54.9USA (Colorado) Prodiacodon sp. (15239)
Ypresian56.0 - 47.8United Kingdom (England) Didelphodus sp., Leptictidae indet. (38868) Leptictidae indet. (133368)
Ypresian56.0 - 47.8United Kingdom Leptictidae indet. (87950)
Ypresian56.0 - 47.8France (Marne) Didelphodus sp. (35533 35535)
Lostcabinian55.8 - 50.3USA (Wyoming) Didelphodus sp., Palaeictops multicuspis (15917) Leptictidae indet., Palaeictops multicuspis (15930) Palaeictops sp., Palaeictops multicuspis (15915)
Lysitean - Lostcabinian55.8 - 50.3USA (Wyoming) Didelphodus sp., Prodiacodon sp. (15451)
Wasatchian55.8 - 50.3USA (Colorado) Didelphodus absarokae (15220 15231) Didelphodus absarokae, Palaeictops tauricinerei (15485 15725 15845 15887) Palaeictops bicuspis (15294 15310 15340 15652) Palaeictops bicuspis, Prodiacodon tauricinerei (15225) Palaeictops matthewi (15333 15420 15650) Palaeictops tauricinerei (15450 15480 15660) Prodiacodon tauricinerei (15222 15353 15391)
Wasatchian55.8 - 50.3USA (New Mexico) Palaeictops sp., Prodiacodon sp. (15446) Prodiacodon sp. (15448) Prodiacodon tauricinerei (15453)
Wasatchian55.8 - 50.3USA (North Dakota) Didelphodus sp., Palaeictops tauricinerei (15895)
Wasatchian55.8 - 50.3USA (Wyoming) Diacodon alticuspis (15596) Didelphodus absarokae (15546 15552 15560 15575 15756 15994 16018 46780 46807 46810 46845) Didelphodus absarokae, Palaeictops bicuspis (15553 15554 15558 15578 15687 15694 46692 46820) Didelphodus absarokae, Palaeictops bicuspis, Prodiacodon tauricinerei (15548) Didelphodus absarokae, Palaeictops tauricinerei (16021 16055) Didelphodus absarokae, Prodiacodon tauricinerei (15491 15493 15504 15507 15510 15522 15531 15534 15573) Didelphodus sp. (15580 15892 46690) Didelphodus sp., Palaeictops bicuspis (15576) Didelphodus sp., Palaeictops multicuspis (15559) Didelphodus sp., Palaeictops pineyensis (15964) Didelphodus sp., Palaeictops sp. (16074) Didelphodus ventanus (15910) Leptictidae indet. (15479 15582) Palaeictops bicuspis (15551 15556 15557 15589 15692 15702 46636 46699 46701 46706 46721 46755 46782 46834) Palaeictops bicuspis, Prodiacodon tauricinerei (15577 15586) Palaeictops pineyensis (15486 15662) Palaeictops sp. (15842 15902) Palaeictops sp., Didelphodus absarokae (15934) Palaeictops sp., Prodiacodon sp. (15673 118482) Palaeictops tauricinerei (15455 15893 15932) Prodiacodon sp. (15729 15793 15897) Prodiacodon tauricinerei (15505 15512 15514 15515 15516 15518 15520 15544 15555)
Wasatchian55.8 - 50.3Canada (Northwest Territories) Prodiacodon sp. (15583)
Early/Lower Eocene55.8 - 48.6USA (Wyoming) Amphigyion straitae (80580) Didelphodus sp. (15690 154257 154262 154276) Palaeictops bicuspis (15680)
Early/Lower Eocene55.8 - 48.6China (Shandong) Asioictops mckennai, Scileptictis simplus, Scileptictis stenotalus (77929)
Early/Lower Eocene55.8 - 48.6Portugal (Região Centro) Didelphodus sp. (79200)
Early/Lower Eocene55.8 - 48.6France (Var) Leptictidae indet., Didelphodus absarokae (35538)
Wasatchian - Bridgerian55.8 - 46.2USA (Wyoming) Palaeictops bicuspis (15669)
Wasatchian - Bridgerian55.8 - 46.2Canada (Northwest Territories) Leptictidae indet. (15584)
MP 10 - MP 1155.8 - 40.4France Didelphodus sp. (183396)
Bridgerian50.3 - 46.2USA (Utah) Palaeictops bridgeri (16396)
Bridgerian50.3 - 46.2USA (Wyoming) Diacodon bridgeri (16428) Didelphodus sp., Palaeictops bridgeri (16204) Hypictops syntaphus (16279) Leptictidae indet. (15837) Palaeictops bridgeri (16137 16223 16388 16415 16446 16499) Palaeictops sp., Palaeictops multicuspis (16207)
Early/Lower Uintan46.2 - 39.7USA (Colorado) Leptictidae indet. (16623)
Early/Lower Uintan46.2 - 39.7USA (California) Leptictidae indet. (16705)
Late/Upper Uintan46.2 - 39.7Canada (Saskatchewan) Didelphodus serus, Palaeictops borealis, Leptictis sp. (16626)
Late/Upper Uintan46.2 - 39.7USA (Texas) Leptictidae indet. (16614)
Uintan46.2 - 39.7USA (Utah) Palaeictops robustus (189826)
Uintan46.2 - 39.7USA (Wyoming) Leptictidae indet. (16630) Palaeictops altimontis (189827)
Duchesnean39.7 - 37.0USA (Wyoming) Palaeictops sp. (16826)
Duchesnean39.7 - 37.0USA (Texas) Leptictis douglassi (16835)
Duchesnean39.7 - 37.0Canada (Saskatchewan) Didelphodus sp., Leptictis sp. (16846) Palaeictops borealis, Leptictis sp., Didelphodus sp. (16845)
Duchesnean - Chadronian39.7 - 33.9USA (Montana) Leptictis sp. (16840)
Priabonian38.0 - 33.9Spain (Catalonia) Leptictis sp. (31751)
Chadronian37.2 - 33.9USA (Montana) Ictops magnus, Ictops montanus, Leptictis montanus (16990)
Chadronian37.2 - 33.9USA (North Dakota) Leptictis sp. (16991)
Chadronian37.2 - 33.9USA (Texas) Leptictis wilsoni (17016)
Chadronian37.2 - 33.9USA (Wyoming) Ictops sp. (16908 16952) Leptictis dakotensis (16942 16943)
Chadronian37.2 - 33.9USA (South Dakota) Ictops dakotensis (17006 17007)
Late/Upper Chadronian37.2 - 33.9USA (Montana) Leptictis sp. (17027)
Middle Chadronian37.2 - 33.9Canada (Saskatchewan) Leptictis sp. (16928)
Chadronian - Orellan37.2 - 33.3USA (South Dakota) Megaleptictis altidens (154199)
Late/Upper Chadronian - Orellan37.2 - 33.3USA (Nebraska) Leptictis dakotensis, Blacktops sp. (230806)
Orellan33.9 - 33.3USA (North Dakota) Leptictis dakotensis (17100)
Orellan33.9 - 33.3USA (South Dakota) Ictops dakotensis (17133) Ictops sp. (17094 17102 17174 17187 17188 17189 17190 17198) Leptictis haydeni (17295) Megaleptictis altidens (163487)
Orellan33.9 - 33.3USA (Nebraska) Blacktops longinares, Blacktops latidens (17221) Leptictis sp. (17098 17108)
Orellan33.9 - 33.3USA (Colorado) Ictops sp. (17081 17082)
Orellan33.9 - 33.3USA (Wyoming) Leptictis dakotensis (17104 17105 17106) Leptictis sp. (17318)
Orellan33.9 - 33.3Canada (Saskatchewan) Leptictis sp. (17111)
Whitneyan33.3 - 30.8USA (South Dakota) Ictops sp. (17384) Leptictis dakotensis (17336)
Whitneyan33.3 - 30.8Canada (Saskatchewan) Leptictis sp. (17372)