PBDB Taxon

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Zalambdalestoidea

Mammalia

Taxonomy

Zalambdalestoidea was named by Gregory and Simpson (1926).

It was reranked as the unranked clade Zalambdalestoidea by Averianov and Archibald (2005).

It was assigned to Gliriformes by Averianov and Archibald (2005); to Euarchontoglires by Archibald and Averianov (2005); and to Eutheria by Halliday et al. (2017).

Subtaxa

Bobolestidae, Otlestidae, Zalambdalestidae (syn. Kulbeckiidae)

Synonyms

Otlestinae was named by Nessov (1985).

It was reranked as the family Otlestidae by Kielan-Jaworowska and Dashzeveg (1989), Averianov (1997), Kielan-Jaworowska et al. (2004); it was considered an invalid subgroup of Zalambdalestoidea by Averianov and Archibald (2005).

It was assigned to Palaeoryctidae by Nessov (1985); to Kennalestoidea by Kielan-Jaworowska and Dashzeveg (1989), Averianov (1997); and to Eutheria by Kielan-Jaworowska et al. (2004).

Synonymy list

Year	Name and author
1926	Zalambdalestoidea Gregory and Simpson
1985	Otlestinae Nessov p. 15
1989	Otlestidae Kielan-Jaworowska and Dashzeveg p. 348
1997	Otlestidae Averianov p. 248
2004	Otlestidae Kielan-Jaworowska et al. pp. 494, 497
2005	Zalambdalestoidea Archibald and Averianov
2005	Zalambdalestoidea Averianov and Archibald p. 595
2017	Zalambdalestoidea Halliday et al.

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967

Rank	Name	Author
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
superfamily	Zalambdalestoidea	Gregory and Simpson 1926
superfamily	Zalambdalestoidea	Gregory and Simpson 1926

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.

Superfm. †Zalambdalestoidea Gregory and Simpson 1926

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Fm. †Bobolestidae Nessov 1989

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G. †Bobolestes Nessov 1985

†Bobolestes zenge Nessov 1985

Invalid names: Otlestes meiman Nessov 1985 [synonym]

Invalid names: Otlestes Nessov 1985 [synonym]

Fm. †Zalambdalestidae Gregory and Simpson 1926

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G. †Alymlestes Averianov and Nessov 1995

†Alymlestes kielanae Averianov and Nessov 1995

G. †Anchilestes Qiu and Li 1977

†Anchilestes impolitus Qiu and Li 1977

G. †Barunlestes Kielan-Jaworowska 1975

†Barunlestes butleri Kielan-Jaworowska 1975

G. †Kulbeckia Nessov 1993

†Kulbeckia kulbecke Nessov 1993

Invalid names: Kulbeckia kansaica Nessov 1993 [synonym], Kulbeckia rara Nessov 1993 [synonym]

G. †Zalambdalestes Gregory and Simpson 1926

†Zalambdalestes grangeri Simpson 1928

†Zalambdalestes lechei Gregory and Simpson 1926

G. †Zhangolestes Zan et al. 2006

†Zhangolestes jilinensis Zan et al. 2006

G. †Zofialestes Fostowicz-Frelik 2016

†Zofialestes longidens Fostowicz-Frelik 2016

Invalid names: Kulbeckiidae Nessov 1993 [synonym]

Invalid names: Otlestidae Nessov 1985 [invalid subgroup]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Life habit:

scansorialsubc

Diet:

insectivoresubc

Reproduction:

viviparoussubc

Created:

2005-09-06 20:43:42

Modified:

2005-09-06 22:44:32

Source: subc = subclass, c = class, subp = subphylum

References: Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979, Carroll 1988

Age range: base of the Valanginian to the top of the Early/Lower Paleocene or 137.05000 to 61.66000 Ma

Collections (26 total)

Time interval	Ma	Country or state	Original ID and collection number
Valanginian	137.05 - 132.6	Russian Federation (Buryat)	Prokennalestes abramovi, Kennalestoidea indet. (58196)
Aptian - Albian	121.4 - 100.5	China (Jilin)	Zhangolestes jilinensis (72321)
Early/Lower Cenomanian	100.5 - 93.9	Uzbekistan (Navoi)	Bobolestes zenge (58208) Zalambdalestidae indet., Otlestes meiman (64684)
Middle Turonian - Late/Upper Turonian	93.9 - 89.8	Uzbekistan (Navoi)	Kulbeckia kulbecke (46959 58166) Kulbeckia sp. (58168)
Late/Upper Turonian - Coniacian	93.9 - 85.7	Uzbekistan (Navoi)	Kulbeckia sp., Kulbeckia kulbecke (123485)
Early/Lower Santonian	85.7 - 83.6	Tajikistan (Sogd)	Kulbeckia kulbecke (58701)
Santonian - Campanian	85.7 - 72.2	Mongolia (Dornogov)	Zalambdalestidae indet. (80183)
Campanian	83.6 - 72.2	Mongolia (Omngov)	Zalambdalestes sp., Zalambdalestes lechei (68525)
Early/Lower Campanian	83.6 - 72.2	Kazakhstan (Ongtüstik Qazaqstan)	Alymlestes kielanae, Otlestidae indet. (59730)
Late/Upper Campanian	83.6 - 72.2	Mongolia (Omnogov Aimak)	Zalambdalestes lechei (37184) Zalambdalestes sp. (68517)
Late/Upper Campanian	83.6 - 72.2	Mongolia (Omnogov)	Barunlestes butleri (118259) Zalambdalestes grangeri (28195) Zalambdalestes grangeri, Zalambdalestes lechei (46152) Zalambdalestes lechei (22685) Zalambdalestes sp. (37013) Zalambdalestes sp., Zalambdalestes lechei (51033)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	Mongolia (Omnogov)	Barunlestes butleri (11582 13776 28243 37022)
Maastrichtian	72.2 - 66.0	India (Madhya Pradesh)	Otlestidae indet. (75493)
Early/Lower Paleocene	66.0 - 61.66	China (Anhui)	Anchilestes impolitus (132953)