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Palaeictops

Mammalia - Leptictidae

Taxonomy
Palaeictops was named by Matthew (1899). It is not extant. Its type is Stypolophus bicuspis.

It was synonymized subjectively with Diacodon by Matthew (1918) and Matthew (1937).

It was assigned to Leptictidae by Matthew (1899), Hay (1902), Gazin (1956), Novacek (1977), McKenna and Bell (1997) and Hooker (2013); and to Leptictinae by Van Valen (1967) and Velazco and Novacek (2016).

Synonyms
Synonymy list
YearName and author
1899Palaeictops Matthew
1902Palaeictops Hay p. 739
1910Parictops Granger
1917Palaeictidops Winge
1956Palaeictops Gazin
1967Palaeictops Van Valen
1977Palaeictops Novacek
1997Palaeictops McKenna and Bell
2013Palaeictops Hooker
2016Palaeictops Velazco and Novacek p. 4

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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
genusPalaeictopsMatthew 1899

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. †Palaeictops Matthew 1899
show all | hide all
Palaeictops altimontis Velazco and Novacek 2016
Palaeictops bicuspis Cope 1880
Palaeictops borealis Russell 1965
Palaeictops bridgeri Simpson 1959
Palaeictops matthewi Novacek 1977
Palaeictops multicuspis Granger 1910
Palaeictops robustus Velazco and Novacek 2016
Invalid names: Palaeictidops Winge 1917 [synonym], Parictops Granger 1910 [synonym]
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
Created: 2011-04-16 19:28:33
Modified: 2011-04-16 04:29:22
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Ji et al. 2002, Hendy et al. 2009, Carroll 1988, Meehan and Martin 2010, Lillegraven 1979

Age range: base of the Puercan to the top of the Duchesnean or 66.00000 to 37.20000 Ma

Collections (71 total)


Time interval Ma Country or state Original ID and collection number
Puercan66.0 - 63.3USA (Montana) P. sp. (14766)
Torrejonian63.3 - 61.7USA (Wyoming) P. sp. (14912)
Torrejonian63.3 - 61.7USA (Texas) P. sp. (14956)
Tiffanian61.7 - 56.8USA (Wyoming) P. sp. (15032 15049 26569)
Lostcabinian55.8 - 50.3USA (Wyoming) P. multicuspis (15917 15930) P. sp., P. multicuspis (15915)
Wasatchian55.8 - 50.3USA (Wyoming) P. bicuspis (15548 15551 15553 15554 15556 15557 15558 15576 15577 15578 15586 15589 15687 15692 15694 15702 46636 46692 46699 46701 46706 46721 46755 46782 46820 46834) P. multicuspis (15559) P. pineyensis (15486 15662 15964) P. sp. (15673 15902 15934 16074 118482)
Wasatchian55.8 - 50.3USA (New Mexico) P. sp. (15446)
Wasatchian55.8 - 50.3USA (Colorado) P. bicuspis (15225 15294 15310 15340 15652) P. matthewi (15333 15420 15650)
Early/Lower Eocene55.8 - 48.6USA (Wyoming) P. bicuspis (15680)
Wasatchian - Bridgerian55.8 - 46.2USA (Wyoming) P. bicuspis (15669)
Bridgerian50.3 - 46.2USA (Utah) P. bridgeri (16396)
Bridgerian50.3 - 46.2USA (Wyoming) Diacodon bridgeri (16428) P. bridgeri (16137 16204 16223 16388 16415 16446 16499) P. sp., P. multicuspis (16207)
Late/Upper Uintan46.2 - 40.4Canada (Saskatchewan) P. borealis (16626)
Uintan46.2 - 40.4USA (Wyoming) Leptictidae indet. (16630) P. altimontis (189827)
Uintan46.2 - 40.4USA (Utah) P. robustus (189826)
Duchesnean40.4 - 37.2Canada (Saskatchewan) P. borealis (16845)
Duchesnean40.4 - 37.2USA (Wyoming) P. sp. (16826)