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Microcosmodontidae ✝

Description

Microcosmodontidae is a poorly preserved family of fossil mammals within the extinct order Multituberculata. Representatives are known from the Lower Paleocene of North America. The family is part of the suborder Cimolodonta. Other than that, their systematic relationships are hard to define.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4968735https://www.gbif.org/species/4968735
PaleoBioDB ID (PBDB)89394https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=89394
Rankfamily
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Microcosmodontidae
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Multituberculata : Microcosmodontidae
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
-Allotheria
orderMultituberculataCope 1884
suborderCimolodonta
familyMicrocosmodontidaeHoltzman and Wolberg 1977
Scientific NameMicrocosmodontidae
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Microcosmodontidaesubfamilybelongs to Eucosmodontidaestated without evidenceClemens and Kielan-Jaworowska, 1979
Microcosmodontidaefamilybelongs to Cimolodontastated with evidenceKielan-Jaworowska and Hurum, 2001
Microcosmodontidaefamilybelongs to Cimolodontastated without evidenceKielan-Jaworowska et al., 2004
Microcosmodontidaefamilybelongs to Multituberculatastated without evidenceScott et al., 2006
Status (PBDB)extinct
Taxon Size (PBDB)14
First Recorded Appearance66.0 - 63.3 Ma
Paleocene
Last Recorded Appearance56.8 - 55.8 Ma
Paleogene
Environmentterrestrial (based on Mammalia)
Motilityactively mobile (based on Osteichthyes)
Dietherbivore (based on Multituberculata)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)C. S. Scott, M. W. Webb, and R. C. Fox. 2006. Horolodectes sunae, an enigmatic mammal from the late Paleocene of Alberta, Canada. Journal of Paleontology 80(5):1009-1025
Wikipediahttps://en.wikipedia.org/wiki/Microcosmodontidae

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Acheronodon
genus
accepted (GBIF)
listed (PBDB)
366.0 Ma
Late/Upper Cretaceous
61.7 Ma
Paleocene
Allocosmodon
genus
accepted (GBIF)
listed (PBDB)
161.7 Ma
Paleocene
61.7 Ma
Paleocene
Alopocosmodon
genus
accepted (GBIF)
listed (PBDB)
163.3 Ma
Paleocene
63.3 Ma
Paleocene
Microcosmodon
genus
accepted (GBIF)
listed (PBDB)
2466.0 Ma
Late/Upper Cretaceous
56.8 Ma
Paleocene
Pentacosmodon
genus
accepted (GBIF)
listed (PBDB)
461.7 Ma
Paleocene
61.7 Ma
Paleocene

Synonymy List

YearName and Author
1977Microcosmodontidae Holtzman and Wolberg
1979Microcosmodontinae Clemens and Kielan-Jaworowska p. 102
2001Microcosmodontidae Kielan-Jaworowska and Hurum p. 417
2004Microcosmodontidae Kielan-Jaworowska et al. pp. 255, 330
2006Microcosmodontidae Scott et al.

References

Scott C. S., Webb M. W., et al (2006) Horolodectes sunae, an enigmatic mammal from the late Paleocene of Alberta, Canada, Journal of Paleontology 80 5, 1009-1025
Clemens W. A., Kielan-Jaworowska Z. (1979) Multituberculata, Mesozoic Mammals: the first two-thirds of mammalian history, 99-149
Kielan-Jaworowska Z., Hurum J. H. (2001) Phylogeny and systematics of multituberculate mammals, Palaeontology 44 3, 389-429
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
Clemens & Wilson, 2009 - 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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