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Spalacotherioidea

Mammalia

Taxonomy
Spalacotherioidea was named by Prothero (1981) [Sublegion Spalacotherioidea]. It is not extant.

It was assigned to Symmetrodonta by Averianov (2002); to Theriiformes by Li and Luo (2006); and to Trechnotheria by Ji et al. (2009).

Synonymy list
YearName and author
1981Spalacotherioidea Prothero p. 320
2002Spalacotheroidea Averianov p. 714
2006Spalacotherioidea Li and Luo p. 197
2009Spalacotherioidea Ji et al. p. 281

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Spalacotherioidea
Spalacotherioidea

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.

Unr. †Spalacotherioidea Prothero 1981
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Fm. †Spalacotheriidae Marsh 1887
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G. †Akidolestes Li and Luo 2006
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Akidolestes cifelli Li and Luo 2006
Akidolestes cifelli Li and Luo 2006
G. †Cifellitherium Martin et al. 2022
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Cifellitherium suderlandicum Martin et al. 2022
G. †Infernolestes Cifelli et al. 2014
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Infernolestes rougieri Cifelli et al. 2014
G. †Peralestes Owen 1871
Subfm. †Spalacolestinae Cifelli and Madsen 1999
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G. †Aliaga Cuenca-Bescos et al. 2014
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Aliaga molinensis Cuenca-Bescos et al. 2014
G. †Heishanlestes Hu et al. 2005
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Heishanlestes changi Hu et al. 2005
G. †Lactodens Han and Meng 2016
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Lactodens sheni Han and Meng 2016
G. †Shalbaatar Nessov 1997
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Shalbaatar bakht Nessov 1997
G. †Spalacolestes Cifelli and Madsen 1999
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Spalacolestes cretulablatta Cifelli and Madsen 1999
Spalacolestes inconcinnus Cifelli and Madsen 1999
G. †Spalacotheridium Cifelli 1990
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Spalacotheridium mckennai Cifelli 1990
Spalacotheridium noblei Cifelli and Madsen 1999
G. †Spalacotheroides Patterson 1955
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Spalacotheroides bridwelli Patterson 1955
G. †Symmetrodontoides Fox 1976
+
+
Invalid names: Mictodon simpsoni Fox 1984 [synonym]
Symmetrodontoides foxi Cifelli and Madsen 1986
Invalid names: Mictodon Fox 1984 [synonym]
G. †Yaverlestes Sweetman 2008
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Yaverlestes gassoni Sweetman 2008
G. †Spalacotherium Owen 1854
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Spalacotherium evansae Ensom and Sigogneau-Russell 2000
Spalacotherium henkeli Krebs 1985
Spalacotherium taylori Clemens and Lees 1971
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Invalid names: Peralestes longirostris Owen 1871 [synonym]
G. †Symmetrolestes Tsubamoto and Rougier 2004
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Symmetrolestes parvus Tsubamoto and Rougier 2004
Fm. †Zhangheotheriidae Rougier et al. 2003
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G. †Anebodon Bi et al. 2016
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Anebodon luoi Bi et al. 2016
G. †Kiyatherium Maschenko and Lopatin 2002
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Kiyatherium cardiodens Maschenko and Lopatin 2002
G. †Maotherium Rougier et al. 2003
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Maotherium asiaticus Ji et al. 2009
Maotherium sinensis Rougier et al. 2003
G. †Origolestes Mao et al. 2020
+
Origolestes lii Mao et al. 2020
G. †Zhangheotherium Hu et al. 1997
+
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: scansorialuc
Diet: insectivoreuc
Created: 2005-09-06 19:53:51
Modified: 2005-09-07 19:44:02
Source: c = class, subp = subphylum, uc = unranked clade
References: Carroll 1988, Luo et al. 2003, Hopson 1973, Hendy et al. 2009

Age range: base of the Kimmeridgian to the top of the Judithian or 157.30000 to 70.60000 Ma

Collections (60 total)


Time interval Ma Country or state Original ID and collection number
Kimmeridgian - Tithonian157.3 - 145.0USA (Utah) Spalacotheriidae indet. (53035)
Early/Lower Berriasian145.0 - 140.2United Kingdom (England) Spalacotherium tricuspidens (105966)
Early/Lower Berriasian - Middle Berriasian145.0 - 140.2United Kingdom (England) Spalacotherium evansae (28995) Spalacotherium evansae, Spalacotherium sp. (28401)
Early/Lower Berriasian - Middle Berriasian145.0 - 140.2France (Poitou-Charentes) Spalacotherium evansae (61930)
Middle Berriasian145.0 - 140.2United Kingdom (England) Spalacotherium evansae (122769) Spalacotherium hookeri (123573) Spalacotherium tricuspidens, Peralestes longirostris (72142)
Berriasian145.0 - 139.8United Kingdom (England) Spalacotherium sp. (77058)
Berriasian145.0 - 139.8France (Poitou-Charentes) Spalacotherium evansae (142093)
Late/Upper Berriasian - Late/Upper Valanginian145.0 - 136.4USA (South Dakota) Infernolestes rougieri (135449)
Early/Lower Valanginian140.2 - 136.4United Kingdom (England) Spalacotherium tricuspidens (102993)
Late/Upper Valanginian140.2 - 136.4United Kingdom (England) Spalacotherium tricuspidens (119006)
Late/Upper Hauterivian - Early/Lower Barremian136.4 - 125.45Spain (Aragón) Aliaga molinesis (84213)
Early/Lower Barremian130.0 - 125.45Spain (Teruel) Spalacotherium henkeli (36365)
Early/Lower Barremian - Late/Upper Barremian130.0 - 125.45Spain (Castilla-La Mancha) Spalacotheriidae indet. (228969)
Late/Upper Barremian - Early/Lower Aptian130.0 - 122.46China (Liaoning) Akidolestes cifelli (13937) Anebodon luoi (73438) Maotherium asiaticus (92147) Maotherium sinensis (115646) Zhangheotherium quinquecuspidens (10761 49106)
Late/Upper Barremian - Early/Lower Aptian130.0 - 122.46Germany (North Rhine-Westphalia) Cifellitherium suderlandicum (152548)
Barremian129.4 - 125.0United Kingdom (England) Yaverlestes gassoni (101090 101091 101092)
Barremian - Aptian129.4 - 113.0Russian Federation (Kemerovo) Kiyatherium cardiodens (52808) Kiyatherium sp. (167303)
Aptian125.0 - 113.0Japan (Fukui) Symmetrolestes parvus (74904)
Aptian125.0 - 113.0Russian Federation (Kemerovo) Kiyatherium cardiodens (39680)
Aptian125.0 - 113.0China (Liaoning) Lactodens sheni (79518)
Aptian - Albian125.0 - 100.5USA (Wyoming) Spalacotheriidae indet. (137577)
Aptian - Albian125.0 - 100.5China (Liaoning) Heishanlestes changi (36971)
Late/Upper Aptian - Early/Lower Albian122.46 - 109.0USA (Texas) Spalacotheroides bridwelli (14388)
Albian113.0 - 100.5USA (Arkansas) Spalacolestinae indet. (222851)
Early/Lower Cenomanian99.6 - 93.5USA (Utah) Spalacolestes cretulablatta, Spalacotheridium noblei (14398 14399 14400 14403) Spalacotheridium noblei (14402 14407) Spalacotheriidae indet., Spalacolestes cretulablatta, Spalacolestes inconcinnus, Spalacotheridium noblei (14405) Spalacotheriidae indet., Symmetrodonta indet., Symmetrodonta indet. (14396)
Middle Cenomanian - Late/Upper Cenomanian99.6 - 93.5USA (Utah) Spalacotheriidae indet. (73432)
Late/Upper Turonian93.5 - 89.3USA (Utah) Spalacotheriidae indet. (14415)
Middle Turonian93.5 - 89.3USA (Utah) Symmetrodontoides oligodontos (14416)
Middle Turonian - Late/Upper Turonian93.5 - 89.3Uzbekistan (Navoi) Shalbaatar bakht (46959)
Middle Turonian - Late/Upper Turonian93.5 - 89.3USA (Utah) Spalacotheridium mckennai, Spalacotheriidae indet. (14414)
Late/Upper Turonian - Coniacian93.5 - 86.3Uzbekistan (Navoi) Shalbaatar sp. (123485)
Coniacian - Santonian89.8 - 83.6USA (Utah) Symmetrodontoides sp. (14389)
Santonian86.3 - 83.6USA (Montana) Spalacotheridium mckennai, Symmetrodontoides canadensis (181582)
Late/Upper Santonian85.8 - 83.5Canada (Alberta) Mictodon simpsoni (14428) Symmetrodontoides canadensis (14425)
Early/Lower Campanian83.5 - 70.6USA (Utah) Symmetrodontoides foxi (14429 75839 75840 75845) Symmetrodontoides sp., Symmetrodontoides foxi (14421)
Judithian83.5 - 70.6USA (Utah) Symmetrodontoides foxi (14474)
Late/Upper Campanian83.5 - 70.6USA (Utah) Picopsis sp. (14466)