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Amphilestidae ✝

Description

Amphilestidae is a family of Mesozoic mammals, generally regarded as eutriconodonts. They may form a paraphyletic or polyphyletic assemblage, though they share with gobiconodontids their similar tooth occlusion patterns and may be especially closely related to them. They occur from the Late Jurassic to Cenomanian, and have a distribution across Laurasia


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)3239680https://www.gbif.org/species/3239680
PaleoBioDB ID (PBDB)203411https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=203411
Rankfamily
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Amphilestidae
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Eutriconodonta : Amphilestidae
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SynapsidaOsborn 1903
-Therapsida
infraorderCynodontia
-EpicynodontiaHopson and Kitching 2001
infraorderEucynodontiaKemp 1982
-ProbainognathiaHopson 1990
-MammaliamorphaRowe 1988
-MammaliaformesRowe 1988
classMammaliaLinnaeus 1758
orderEutriconodontaKermack et al. 1973
familyAmphilestidae(Osborn 1888)
Scientific NameAmphilestidae
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Amphilestidaesubfamilybelongs to Triconodontidaestated without evidenceSimpson, 1928
Amphilestidaefamilybelongs to Triconodontastated without evidenceJenkins and Crompton, 1979
Amphilestidaefamilybelongs to TriconodontaimpliedCarroll, 1988
Amphilestidaefamilybelongs to Triconodontastated without evidenceZhou et al., 1991
Amphilestidaefamilybelongs to Eutriconodontastated without evidenceKielan-Jaworowska et al., 2004
Amphilestidaefamilybelongs to Eutriconodontastated with evidenceAverianov et al., 2005
Amphilestidaefamilybelongs to Eutriconodontastated without evidenceButler and Sigogneau-Russel, 2016
Status (PBDB)extinct
Taxon Size (PBDB)17
First Recorded Appearance174 - 166 Ma
Middle Jurassic
Last Recorded Appearance125 - 113 Ma
Early/Lower Cretaceous
Environmentterrestrial (based on Mammalia)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore
Ecospace CommentsLarger-bodied "Eutriconodontida" includes, "Amphilestidae", Gobiconodontidae, Family incertae sedis: Jehlodens, Triconodontidae, and Alticonodontinae (Kielan-Joworowska et al. 2004).
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)R. L. Carroll. 1988. Vertebrate Paleontology and Evolution
Wikipediahttps://en.wikipedia.org/wiki/Amphilestidae

External Images

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Gobiconodontinae
subfamily
listed (PBDB)
Amphilestes
genus
accepted (GBIF)
listed (PBDB)
1168 Ma
Middle Jurassic
168 Ma
Middle Jurassic
Aploconodon
genus
accepted (GBIF)
listed (PBDB)
1157 Ma
Jurassic
157 Ma
Jurassic
Comodon
genus
accepted (GBIF)
listed (PBDB)
1157 Ma
Jurassic
157 Ma
Jurassic
Condorodon
genus
accepted (GBIF)No associated record in PBDB
Gobiconodon
genus
accepted (GBIF)
listed (PBDB)
21145 Ma
Late Jurassic
3.60 Ma
Pliocene
Hallautherium
genus
accepted (GBIF)
listed (PBDB)
1209 Ma
Late/Upper Triassic
209 Ma
Late/Upper Triassic
Hangjinia
genus
accepted (GBIF)
listed (PBDB)
1145 Ma
Late Jurassic
145 Ma
Late Jurassic
Kemchugia
genus
accepted (GBIF)
listed (PBDB)
1129 Ma
Early/Lower Cretaceous
129 Ma
Early/Lower Cretaceous
Klamelia
genus
accepted (GBIF)
listed (PBDB)
1166 Ma
Middle Jurassic
166 Ma
Middle Jurassic
Liaotherium
genus
doubtful (GBIF)
listed (PBDB)
1174 Ma
Middle Jurassic
174 Ma
Middle Jurassic
Phascolotherium
genus
accepted (GBIF)
listed (PBDB)
3168 Ma
Middle Jurassic
168 Ma
Middle Jurassic
Tendagurodon
genus
accepted (GBIF)
listed (PBDB)
1156 Ma
Jurassic
156 Ma
Jurassic
Triconolestes
genus
accepted (GBIF)
listed (PBDB)
2157 Ma
Jurassic
157 Ma
Jurassic

Synonymy List

YearName and Author
1888Amphilestinae Osborn
1928Amphilestinae Simpson p. 70
1929Amphilestinae Simpson p. 30
1979Amphilestidae Jenkins and Crompton p. 75
1988Amphilestidae Carroll
1991Amphilestidae Zhou et al.
1998Amphilestidae Engelmann and Callison p. 345
2004Amphilestidae Kielan-Jaworowska et al. pp. 219, 236-237
2005Amphilestidae Averianov et al.
2016Amphilestidae Butler and Sigogneau-Russel p. 44

References

Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698
Simpson G. G. (1928) , A Catalogue of the Mesozoic Mammalia in the Geological Department of the British Museum, 1-215
Simpson G. G. (1929) American Mesozoic Mammalia, Memoirs of the Peabody Museum of Yale University 3 1, 1-171
Jenkins F. A., Crompton A. W. (1979) Triconodonta, Mesozoic Mammals: the First Two-Thirds of Mammalian History, 74-90
Zhou M., Cheng Z., et al (1991) A mammalian lower jaw from the Jurassic of Lingyuan, Liaoning, Vertebrata PalAsiatica 29 3, 165-175
Engelmann G. F., Callison G. (1998) Mammalian faunas of the Morrison Formation, Modern Geology 23 1-4, 343-379
Kielan-Jaworowska Z., Cifelli R. L., et al (2004) Mammals from the age of dinosaurs: Origins, evolution, and structure, Columbia University Press, New York, 1-630
Averianov A. O., Skutschas P. P., et al (2005) Early Cretaceous mammals from Bol'Shoi Kemchug 3 locality in West Siberia, Russia, Russian Journal of Theriology 4 1, 1-12
Butler P. M., Sigogneau-Russel D. (2016) Diversity of triconodonts in the Middle Jurassic of Great Britain, Palaeontologia Polonica 67, 35-65 doi:10.4202/pp.2016.67_035
Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. - via The Interim Register of Marine and Nonmarine Genera
SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - via The Interim Register of Marine and Nonmarine Genera
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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