PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Stagodontidae

Mammalia - Stagodontidae

Taxonomy

Stagodontidae was named by Marsh (1889). It is not extant. Its type is Stagodon.

It was reranked as the unranked clade Stagodontidae by Williamson et al. (2012).

It was assigned to Mammalia by Marsh (1889); to Polyprotodontia by Hay (1902); to Marsupialia by Cifelli (1993); to Didelphoidea by Clemens (1979) and McKenna and Bell (1997); to Didelphimorphia by Kielan-Jaworowska et al. (2004) and Davis (2007); to Metatheria by Williamson et al. (2012); to Marsupialiformes by Wilson et al. (2016); and to Archimetatheria by Fox and Naylor (2006) and Carneiro and Olivero (2017).

Subtaxa

Didelphodon (syn. Didelphops, Ectoconodon, Diaphorodon, Stagodon), Eobrasilia, Eodelphis, Fumodelphodon, Hoodootherium, Pariadens

Synonymy list

Year	Name and author
1889	Stagodontidae Marsh
1902	Stagodontidae Hay p. 564
1979	Stagodontidae Clemens p. 193
1993	Stagodontidae Cifelli p. 9415
1997	Stagodontidae McKenna and Bell
2004	Stagodontidae Kielan-Jaworowska et al. pp. 443, 459
2006	Stagodontidae Fox and Naylor p. 16
2007	Stagodontidae Davis p. 218
2012	Stagodontidae Williamson et al.
2016	Stagodontidae Wilson et al.
2017	Stagodontidae Carneiro and Olivero p. 357

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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
—	Cotylosauria	()

Rank	Name	Author
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
subclass	Metatheria	()
—	Marsupialiformes
family	Stagodontidae	Marsh 1889
family	Stagodontidae	Marsh 1889

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.

Fm. †Stagodontidae Marsh 1889

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G. †Didelphodon Marsh 1889

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†Didelphodon coyi Fox and Naylor 1986

†Didelphodon padanicus Cope 1892

†Didelphodon vorax Marsh 1889

Invalid names: Cimolestes curtus Marsh 1889 [synonym], Didelphodon ferox Marsh 1889 [synonym], Ectoconodon petersoni Osborn 1898 [synonym], Stagodon nitor Marsh 1889 [synonym], Stagodon validus Marsh 1892 [synonym]

Invalid names: Diaphorodon Simpson 1927 [synonym], Didelphops Marsh 1889 [synonym], Ectoconodon Osborn 1898 [synonym], Stagodon Marsh 1889 [synonym]

G. †Eobrasilia Simpson 1947

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†Eobrasilia coutoi Simpson 1947

G. †Eodelphis Matthew 1916

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†Eodelphis browni Matthew 1916

†Eodelphis cutleri Woodward 1916

G. †Fumodelphodon Cohen 2018

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†Fumodelphodon pulveris Cohen 2018

G. †Hoodootherium Cohen 2018

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†Hoodootherium praeceps Cohen 2018

G. †Pariadens Cifelli and Eaton 1987

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†Pariadens kirklandi Cifelli and Eaton 1987

†Pariadens mckennai Cifelli 2004

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialf

Locomotion:

actively mobilec

Life habit:

scansorialsubc

Diet:

carnivoref

Diet 2:

durophagef

Reproduction:

viviparoussubc

Comments:

Durophagy suggested for Stagodontidae (Kielan-Joworowska et al. 2004) not aquatic, see Fox and Naylor 2006f

Created:

2005-09-07 08:58:59

Modified:

2007-06-17 13:19:32

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

References: Hendy et al. 2009, Fox and Naylor 1995, Lillegraven 1979, Carroll 1988

Age range: base of the Middle Cenomanian to the top of the Early/Lower Eocene or 99.60000 to 48.60000 Ma

Collections (114 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Cenomanian	99.6 - 93.5	France (Poitou-Charentes)	Stagodontidae indet. (77233)
Early/Lower Cenomanian	99.6 - 93.5	USA (Utah)	Pariadens mckennai (14405)
Middle Cenomanian	99.6 - 93.5	USA (Utah)	Pariadens kirklandi (14387)
Middle Cenomanian - Late/Upper Cenomanian	99.6 - 93.5	USA (Utah)	Pariadens kirklandi (14383 14385)
Middle Turonian	93.5 - 89.3	USA (Utah)	Hoodootherium praeceps (181356)
Middle Turonian - Late/Upper Turonian	93.5 - 89.3	USA (Utah)	Stagodontidae indet., Fumodelphodon pulveris (14414)
Coniacian - Santonian	89.8 - 83.6	USA (Utah)	Stagodontidae indet. (14389)
Late/Upper Santonian	85.8 - 83.5	Canada (Alberta)	Eodelphis sp. (14425 14426)
Judithian	83.5 - 70.6	USA (Utah)	Eodelphis sp. (14467)
Judithian	83.5 - 70.6	Canada (Alberta)	Cimolestes cutleri, Eodelphis browni (14485) Eodelphis cutleri (14471 14481) Eodelphis sp. (14451)
Late/Upper Campanian	83.5 - 70.6	Canada (Alberta)	Didelphodon coyi (14500 14501) Didelphodon sp. (89605) Eodelphis browni (35511 227125)
Late/Upper Campanian	83.5 - 70.6	USA (New Jersey)	Didelphodon sp. (14455)
Middle Campanian	83.5 - 70.6	Canada (Alberta)	Eodelphis sp. (45564 45565)
Middle Campanian	83.5 - 70.6	USA (Montana)	Eodelphis sp. (14482)
Middle Campanian - Late/Upper Campanian	83.5 - 70.6	USA (Montana)	Boreodon matutinus (14446) Eodelphis sp. (14450 14462 14470 14490 14492)
Late/Upper Campanian - Maastrichtian	83.5 - 66.0	Canada (Alberta)	Didelphodon coyi (73461) Eodelphis sp. (45758)
Maastrichtian	72.1 - 66.0	USA (Montana)	Didelphodon sp. (48846)
Early/Lower Maastrichtian	70.6 - 66.0	Canada (Alberta)	Didelphodon sp., Eodelphis cutleri (14502)
Edmontonian	70.6 - 66.0	USA (New Mexico)	Eodelphis sp. (14496)
Lancian	70.6 - 66.0	USA (Wyoming)	Cimolestes curtus (14592) Didelphodon ferox (14591) Didelphodon sp. (14590) Didelphodon sp., Cimolestes curtus, Didelphodon ferox, Didelphodon vorax, Stagodon sp., Stagodon validus (14565) Didelphodon sp., Stagodon sp., Stagodon nitor (14606) Didelphodon vorax (14519 14522 14524 14538 14561 14566 14570 14578 14579 14596 14598 14609 14641 14642 14656) Ectoconodon petersoni (14505)
Lancian	70.6 - 66.0	USA (South Dakota)	Didelphodon sp. (14604) Didelphodon vorax (14537 14612)
Lancian	70.6 - 66.0	Canada (Alberta)	Didelphodon coyi (14630) Didelphodon vorax (14631 14633 14635 14637 14638)
Lancian	70.6 - 66.0	USA (Montana)	Didelphodon sp., Didelphodon vorax (14597) Didelphodon vorax (14513 14516 14517 14523 14525 14530 14533 14549 14556 14575 14576 14580 14582 14583 14594 14595 14605 14608 14615 14616 14617 14622 14624 14627 14628 14646 14647 14649 14653 14654 183290)
Lancian	70.6 - 66.0	USA (North Dakota)	Didelphodon sp. (14621) Didelphodon sp., Didelphodon vorax (14610) Didelphodon vorax (183291 183292)
Lancian	70.6 - 66.0	Canada (Saskatchewan)	Didelphodon sp. (14602) Didelphodon vorax (14558 14655)
Late/Upper Maastrichtian	70.6 - 66.0	USA (Montana)	Ectoconodon montanensis, Stagodon sp. (119007) Eodelphis sp., Didelphodon vorax (183109)
Late/Upper Maastrichtian	70.6 - 66.0	USA (North Dakota)	Didelphodon sp. (45102 45130) Didelphodon sp., Didelphodon vorax (45111) Didelphodon vorax (45099 45136)
Late/Upper Maastrichtian	70.6 - 66.0	USA (South Dakota)	Didelphodon sp. (224484)
Late/Upper Maastrichtian	70.6 - 66.0	USA (Wyoming)	Didelphodon vorax (14585)
Early/Lower Eocene	55.8 - 48.6	Brazil (Rio de Janeiro)	Eobrasilia coutoi (118314)