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Leptacodon ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	7965983	https://www.gbif.org/species/7965983
PaleoBioDB ID (PBDB)	40499	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=40499

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Chordata : Mammalia : Erinaceomorpha : Adapisoricidae : Leptacodon

Taxonomy (PBDB)

Life : Animalia : Chordata : Mammalia : Nyctitheriidae : Leptacodon

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Triploblastica	Lankester 1877
-	Nephrozoa	Jondelius et al. 2002
-	Deuterostomia	Grobben 1908
phylum	Chordata	Haeckel 1847
subphylum	Vertebrata	Lamarck 1801
superclass	Gnathostomata	Gegenbauer 1874
-	Osteichthyes
-	Sarcopterygii	Romer 1955
subclass	Dipnotetrapodomorpha
subclass	Tetrapodomorpha
-	Tetrapoda
-	Reptiliomorpha	Säve-Söderbergh 1934
-	Anthracosauria	Säve-Söderbergh 1934
-	Batrachosauria
-	Cotylosauria
-	Amniota	Haeckel 1866
-	Synapsida	Osborn 1903
-	Therapsida
infraorder	Cynodontia
-	Epicynodontia	Hopson and Kitching 2001
infraorder	Eucynodontia	Kemp 1982
-	Probainognathia	Hopson 1990
-	Mammaliamorpha	Rowe 1988
-	Mammaliaformes	Rowe 1988
class	Mammalia	Linnaeus 1758
subclass	Tribosphenida
infraclass	Eutheria
-	Placentalia	Owen 1837
-	Laurasiatheria	Waddell et al. 1999
-	Eulipotyphla
suborder	Soricomorpha	Gregory 1910
family	Nyctitheriidae	Simpson 1928
genus	Leptacodon	Matthew & Granger 1921

Scientific Name

Leptacodon Matthew & Granger, 1921

Name Published In

Matthew, W. D. & W. Granger. 1921. New genera of Paleocene mammals. American Museum Novitates 13: 1-7.

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Leptacodon	genus	belongs to Nyctitheriidae	stated without evidence	Matthew and Granger, 1921
Leptacodon	genus	subjective synonym of Entomolestes	stated without evidence	McKenna, 1960
Leptacodon	genus	belongs to Adapisoricinae	stated without evidence	Van Valen, 1967
Leptacodon	genus	subjective synonym of Talpavus	stated without evidence	Robinson, 1968
Leptacodon	genus	belongs to Nyctitheriidae	stated without evidence	Gazin, 1969
Leptacodon	genus	subjective synonym of Entomolestes	stated without evidence	Delson, 1971
Leptacodon	genus	belongs to Nyctitheriidae	stated without evidence	Krishtalka, 1976
Leptacodon	genus	belongs to Nyctitheriidae	implied	Carroll, 1988
Leptacodon	genus	belongs to Nyctitheriinae	stated without evidence	Lopatin, 2006
Leptacodon	genus	belongs to Nyctitheriidae	stated without evidence	Rose et al., 2012

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

72.1 - 66.0 Ma
Late/Upper Cretaceous

Last Recorded Appearance

55.8 - 47.8 Ma
Eocene

Environment

terrestrial (based on Nyctitheriidae)

Motility

actively mobile (based on Osteichthyes)

Diet

insectivore (based on Nyctitheriidae)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

W. D. Matthew and W. Granger. 1921. New genera of Paleocene mammals. American Museum Novitates 13:1-7

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Elpidophorus minutulus ✝ species	accepted (GBIF) listed (PBDB)
Leptacodon acherontus ✝ species	accepted (GBIF) listed (PBDB)	1	61.7 Ma Paleocene	61.7 Ma Paleocene
Leptacodon catulus ✝ species	accepted (GBIF) listed (PBDB)	1	55.8 Ma Eocene	55.8 Ma Eocene
Leptacodon choristus ✝ species	accepted (GBIF) listed (PBDB)	1	58.7 Ma Paleocene	58.7 Ma Paleocene
Leptacodon donkroni ✝ species	doubtful (GBIF) listed (PBDB)	1	55.8 Ma Eocene	55.8 Ma Eocene
Leptacodon munusculum ✝ species	accepted (GBIF) listed (PBDB)	9	63.3 Ma Paleocene	61.7 Ma Paleocene
Leptacodon nascimentoi ✝ species	accepted (GBIF) listed (PBDB)	1	55.8 Ma Eocene	55.8 Ma Eocene
Leptacodon packi ✝ species	accepted (GBIF) listed (PBDB)	11	61.7 Ma Paleocene	61.7 Ma Paleocene
Leptacodon proserpinae ✝ species	accepted (GBIF) listed (PBDB)	1	66.0 Ma Late/Upper Cretaceous	66.0 Ma Late/Upper Cretaceous
Leptacodon tener ✝ species	doubtful (GBIF) listed (PBDB)	16	63.3 Ma Paleocene	61.7 Ma Paleocene

Synonymy List

Year	Name and Author
1921	Leptacodon Matthew and Granger
1967	Leptacodon Van Valen
1969	Leptacodon Gazin p. 4
1976	Leptacodon Krishtalka
1982	Leptacodon Bown and Schankler
1986	Leptacodon Hooker p. 239
1987	Leptacodon Gingerich p. 302
1988	Leptacodon Carroll
2006	Leptacodon Lopatin
2012	Leptacodon Rose et al.

References

Matthew W. D., Granger W. (1921) New genera of Paleocene mammals, American Museum Novitates 13, 1-7

Van Valen L. (1967) New Paleocene insectivores and insectivore classification, Bulletin of the American Museum of Natural History 135 5, 217-284

Gazin C. L. (1969) A new occurrence of Paleocene mammals in the Evanston Formation, southwestern Wyoming, Smithsonian Contributions to Paleobiology 2, 1-16

Krishtalka L. (1976) Early Tertiary Adapisoricidae and Erinaceidae (Mammalia, Insectivora) of North America, Bulletin of Carnegie Museum of Natural History 1

Bown T. M., Schankler D. (1982) A review of the Proteutheria and Insectivora of the Willwood Formation (Lower Eocene), Bighorn Basin, Wyoming, United States Geological Survey Bulletin 1523, 1-79

Hooker J. J. (1986) Mammals from the Bartonian (middle/late Eocene) of the Hampshire Basin, southern England, Bulletin of the British Museum (Natural History) 39 4, 191-478

Gingerich P. D. (1987) Early Eocene bats (Mammalia, Chiroptera) and other vertebrates in freshwater limestones of the Willlwood Formation, Clark's Fork Basin, Wyoming, Contributions from the Museum of Paleontology, University of Michigan 27 11, 275-320

Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698

Lopatin A. V. (2006) Early Paleogene insectivore mammals of Asia and establishment of the major groups of Insectivora, Paleontological Journal 40 3, S205-S405

Rose K. D., Chew A. E., et al (2012) Earliest Eocene mammalian fauna from the Paleocene-Eocene Thermal Maximum at Sand Creek Divide, southern Bighorn Basin, Wyoming, University of Michigan Papers on Paleontology 36, 1-122

Amer. Mus. Novit., No. 13 - via The Interim Register of Marine and Nonmarine Genera

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - 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

as per family - 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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