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

Neoplagiaulacidae

Mammalia - Multituberculata - Neoplagiaulacidae

Synonyms
Synonymy list
YearName and author
1890Neoplagiaulacidae Ameghino
1965Ectypodidae Sloan and Van Valen p. 221
1969Neoplagiaulacidae Gazin p. 4
1969Ectypodontidae Kielan-Jaworowska p. 38
1970Ectypodontidae Kielan-Jaworowska p. 38
1979Neoplagiaulacidae Clemens and Kielan-Jaworowska p. 101
1986Neoplagiaulacidae Lillegraven and McKenna p. 17
2001Neoplagiaulacidae Kielan-Jaworowska and Hurum p. 418
2004Neoplagiaulacidae Kielan-Jaworowska et al. pp. 255, 334
2012Neoplagiaulacidae Rose et al.
2014Neoplagiaulacidae Beard and Dawson p. 1476

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
RankNameAuthor
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Allotheria()
orderMultituberculataCope 1884
suborderCimolodonta()
superfamilyPtilodontoidea()
familyNeoplagiaulacidae
familyNeoplagiaulacidae

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. †Neoplagiaulacidae Ameghino 1890
show all | hide all
G. †Cernaysia Vianey-Liaud 1986
+
†Cernaysia davidi Vianey-Liaud 1986
†Cernaysia manueli Vianey-Liaud 1986
G. †Ectypodus Matthew and Granger 1921
+
†Ectypodus aphronorus Sloan 1987
†Ectypodus arctos Beard and Dawson 2014
†Ectypodus childei Kühne 1969
†Ectypodus laytoni Jepsen 1940
†Ectypodus lovei Sloan 1966
†Ectypodus musculus Matthew and Granger 1921
†Ectypodus powelli Jepsen 1940
†Ectypodus riansensis Marandat et al. 2012
†Ectypodus simpsoni Jepsen 1930
†Ectypodus szalayi Sloan 1981
†Ectypodus tardus Jepsen 1940
Invalid names: Charlesmooria Kühne 1969 [synonym]
G. †Filikomys Weaver et al. 2020
+
†Filikomys minor Eaton 2002
†Filikomys primaevus Lambe 1902
+
Invalid names: Mesodma archibaldi Eaton 2002 [synonym]
G. †Krauseia Vianey-Liaud 1986
+
†Krauseia clemensi Sloan 1981
G. †Mesodma Jepsen 1940
+
†Mesodma ambigua Jepsen 1940
†Mesodma formosa Marsh 1889
†Mesodma hensleighi Lillegraven 1969
†Mesodma pygmaea Sloan 1987
†Mesodma senecta Fox 1971
†Mesodma thompsoni Clemens 1964
+
Invalid names: Mesodma garfieldensis Archibald 1982 [synonym]
G. †Mesodmops Tong and Wang 1994
+
†Mesodmops dawsonae Tong and Wang 1994
†Mesodmops tenuis Missiaen and Smith 2008
G. †Mimetodon Jepsen 1940
+
†Mimetodon churchilli Jepsen 1940
†Mimetodon krausei Sloan 1981
†Mimetodon silberlingi Simpson 1935
G. †Neoplagiaulax Lemoine 1882
+
†Neoplagiaulax burgessi Archibald 1982
†Neoplagiaulax donaldorum Scott and Krause 2006
†Neoplagiaulax grangeri Simpson 1935
†Neoplagiaulax hazeni Jepsen 1940
†Neoplagiaulax hunteri Simpson 1936
†Neoplagiaulax jepi Sloan 1987
†Neoplagiaulax kremnus Johnston and Fox 1984
†Neoplagiaulax mckennai Sloan 1987
†Neoplagiaulax nanophus Holtzman 1978
†Neoplagiaulax serrator Scott 2005
Invalid names: Neoplagiaulax nelsoni Sloan 1987 [nomen nudum]
G. †Nidimys Hunter et al. 2010
+
†Nidimys occultus Hunter et al. 2010
G. †Parectypodus Jepsen 1930
+
†Parectypodus armstrongi Johnston and Fox 1984
†Parectypodus corystes Scott 2003
†Parectypodus foxi Storer 1991
†Parectypodus lunatus Krause 1982
†Parectypodus sinclairi Simpson 1935
†Parectypodus sloani Schiebout 1974
†Parectypodus sylviae Rigby, Jr. 1980
+
Invalid names: Parectypodus pattersoni Sloan 1987 [synonym]
†Parectypodus vanvaleni Sloan 1981
G. †Parikimys Wilson et al. 2010
+
†Parikimys carpenteri Wilson et al. 2010
G. †Xanclomys Rigby, Jr. 1980
+
†Xanclomys mcgrewi Rigby, Jr. 1980
G. †Xyronomys Rigby, Jr. 1980
+
†Xyronomys robinsoni Middleton and Dewar 2004
†Xyronomys swainae Rigby, Jr. 1980
Invalid names: Ectypodidae Sloan and Van Valen 1965 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: arborealsubo
Diet: omnivoref
Created: 2005-09-11 16:54:47
Modified: 2005-09-11 18:54:47
Source: f = family, subo = suborder, c = class, subp = subphylum
References: Hendy et al. 2009, Hopson 1973, Krause 1982, Carroll 1988, Gunnell et al. 1995

Age range: base of the Early/Lower Cenomanian to the top of the Duchesnean or 99.60000 to 37.00000 Ma

Collections (341 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Cenomanian99.6 - 93.5USA (Utah) Mesodma sp. (14396)
Late/Upper Santonian85.8 - 83.5Canada (Alberta) Mesodma senecta (14423) Mesodma sp., Mesodma senecta (14425)
Early/Lower Campanian83.5 - 70.6USA (Utah) Mesodma minor (14421) Mesodma sp., Mesodma formosa (14429)
Judithian83.5 - 70.6USA (New Mexico) Mesodma senecta (14464)
Judithian83.5 - 70.6USA (Utah) Mesodma hensleighi, Mesodma thompsoni (14467) Mesodma sp. (14475) Mesodma sp., Mesodma formosa, Mesodma hensleighi (14474)
Judithian83.5 - 70.6USA (Wyoming) Mesodma sp. (14487) Mesodma sp., Mesodma primaeva (14433 14458)
Judithian83.5 - 70.6Canada (Alberta) Mesodma primaeva (14451) Ptilodus primaevus (14485)
Judithian83.5 - 70.6USA (Texas) Mesodma sp. (14488) Neoplagiaulacidae indet. (14489)
Late/Upper Campanian83.5 - 70.6USA (Utah) Mesodma formosa, Mesodma hensleighi, Mesodma thompsoni (14466)
Late/Upper Campanian83.5 - 70.6Mexico (Baja California) Mesodma formosa (14456)
Late/Upper Campanian83.5 - 70.6Canada (Alberta) Mesodma antiqua (45674) Mesodma antiqua, Mesodma primaeva (45897 45899)
Late/Upper Campanian83.5 - 70.6USA (New Mexico) Mesodma senecta (14436) Mesodma sp. (14498)
Middle Campanian83.5 - 70.6Canada (Alberta) Mesodma antiqua (45567) Mesodma primaeva (45820)
Middle Campanian83.5 - 70.6USA (Montana) Cimexomys judithae (14453) Mesodma large sp., Mesodma small sp., Mesodma primaeva (14482) Mesodma sp. (14437)
Middle Campanian - Late/Upper Campanian83.5 - 70.6Canada (Alberta) Mesodma antiqua (45819)
Middle Campanian - Late/Upper Campanian83.5 - 70.6Canada (Saskatchewan) Mesodma sp. (14493)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Montana) Mesodma primaeva (14450) Mesodma small sp., Mesodma large sp., Mesodma primaeva (14470) Mesodma sp. (14434 14457 14490) Mesodma sp., Mesodma primaeva (14446 14461)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Texas) Mesodma sp. (68004 212186)
Maastrichtian72.1 - 66.0USA (Montana) Mesodma sp. (85499)
Early/Lower Maastrichtian70.6 - 66.0Canada (Alberta) Mesodma thompsoni (14502)
Edmontonian70.6 - 66.0USA (Montana) Neoplagiaulacidae indet. (14503) Neoplagiaulacidae indet., Nidimys occultus (96603)
Lancian70.6 - 66.0USA (Colorado) Mesodma formosa (96081) Parikimys carpenteri (96083)
Lancian70.6 - 66.0USA (New Mexico) Mesodma formosa (14573 14619)
Lancian70.6 - 66.0USA (South Dakota) Mesodma formosa, Mesodma hensleighi, Mesodma thompsoni (14537 14604 14612)
Lancian70.6 - 66.0USA (Utah) Mesodma hensleighi (14599)
Lancian70.6 - 66.0USA (Montana) Mesodma formosa (14639) Mesodma formosa, Mesodma hensleighi, Mesodma thompsoni (14508 172642 172644) Mesodma formosa, Mesodma hensleighi, Mesodma thompsoni, Neoplagiaulax burgessi (14549) Mesodma formosa, Mesodma thompsoni (14515 14576 14595 14615 14616) Mesodma sp. (14532) Mesodma sp., Mesodma thompsoni (14597) Mesodma sp., Neoplagiaulax sp. (14568) Mesodma thompsoni (14512 14523 14533 14534 14536 14560 14608) Neoplagiaulacidae indet. (14582)
Lancian70.6 - 66.0USA (North Dakota) Mesodma thompsoni (14610)
Lancian70.6 - 66.0Canada (Saskatchewan) Mesodma formosa, Mesodma hensleighi, Mesodma thompsoni, Parectypodus foxi (14558) Mesodma formosa, Mesodma thompsoni (14655)
Lancian70.6 - 66.0USA (Wyoming) Cimolomys formosus (14511 14606) Halodon formosus (14567 14590 14592) Mesodma formosa (14526 14565) Mesodma formosa, Mesodma hensleighi, Mesodma thompsoni (14519) Mesodma sp. (14510 14522 14564) Mesodma sp., Mesodma formosa, Mesodma hensleighi, Mesodma thompsoni, Neoplagiaulacidae indet., Parikimys carpenteri (14514) Mesodma sp., Neoplagiaulax sp. (26626) Mesodma thompsoni (14527 14596 14641 14644) Mesodma thompsoni, Mesodma formosa (14505 14538 14566 14598) Neoplagiaulacidae indet. (14540) Neoplagiaulacidae indet., Parikimys carpenteri (45844)
Lancian70.6 - 66.0Canada (Alberta) Mesodma formosa, Mesodma hensleighi (14632) Mesodma formosa, Mesodma hensleighi, Mesodma thompsoni (14630 14634) Mesodma thompsoni (14638)
Late/Upper Maastrichtian70.6 - 66.0Canada (Saskatchewan) Mesodma garfieldensis (14555)
Late/Upper Maastrichtian70.6 - 66.0Canada (Alberta) Mesodma formosa (14569)
Late/Upper Maastrichtian70.6 - 66.0USA (Montana) Mesodma sp. (183109)
Late/Upper Maastrichtian70.6 - 66.0USA (South Dakota) Mesodma sp. (224484)
Late/Upper Maastrichtian70.6 - 66.0USA (North Dakota) Mesodma thompsoni (45099 45137)
Late/Upper Maastrichtian70.6 - 66.0USA (Wyoming) Mesodma formosa, Mesodma hensleighi, Mesodma thompsoni (14585)
Late/Upper Maastrichtian70.6 - 66.0USA (New Mexico) Mesodma formosa (154429 154616)
Pu366.0 - 63.3USA (New Mexico) Mesodma sp. (26575)
Pu366.0 - 63.3USA (Montana) Mesodma sp., Xyronomys n. sp. (14738)
Puercan66.0 - 63.3Canada (Saskatchewan) Ectypodus sp., Parectypodus sp., Xyronomys sp., Mesodma formosa, Neoplagiaulax kremnus, Parectypodus armstrongi, Neoplagiaulacidae indet., Mesodma thompsoni (14768) Mesodma sp. (14737 23503) Mesodma sp., Parectypodus sp., Xyronomys sp., Mesodma formosa, Mesodma thompsoni, Neoplagiaulacidae indet. (14691)
Puercan66.0 - 63.3USA (Montana) Ectypodus sp., Neoplagiaulax sp., Parectypodus sp., Mesodma formosa, Mesodma thompsoni, Neoplagiaulax kremnus (14809) Mesodma garfieldensis (14742 14798) Mesodma sp. (14660 14669 14671 14672 14690 14696 14698 14701 14702 14751 14754 14763 14771 14772 14773 14775 14776 14777 14780 14784 14785 14786 14787 14788) Mesodma sp., Mesodma formosa, Mesodma hensleighi, Mesodma thompsoni (14743 14759 193844 231045 231047) Mesodma sp., Mesodma formosa, Mesodma thompsoni (14801 14802) Mesodma thompsoni (14741) Neoplagiaulax sp., Neoplagiaulax kremnus, Neoplagiaulacidae indet. (14744) Parectypodus sp., Mesodma ambigua, Mesodma formosa, Neoplagiaulax sp. (14766)
Puercan66.0 - 63.3USA (North Dakota) Mesodma sp. (14765)
Puercan66.0 - 63.3USA (Wyoming) Ectypodus sp. (14729 14731) Mesodma ambigua (14808 174233) Mesodma ambigua, Mesodma garfieldensis (14722) Mesodma garfieldensis (14709) Mesodma sp. (14805 14806) Mesodma sp., Mesodma ambigua, Mesodma formosa, Mesodma hensleighi (14796)
Puercan66.0 - 63.3USA (Colorado) Mesodma ambigua, Xyronomys robinsoni (14658) Mesodma sp., Mesodma ambigua, Mesodma hensleighi, Neoplagiaulacidae indet. (176863) Neoplagiaulacidae indet. (14678)
Puercan66.0 - 63.3USA (New Mexico) Mesodma thompsoni, Neoplagiaulax macintyrei, Parectypodus vanvaleni (14760)
Danian66.0 - 61.6Canada (Saskatchewan) Neoplagiaulacidae indet. (14764)
Danian66.0 - 61.6USA (North Dakota) Ectypodus sp., Mesodma sp., Neoplagiaulax sp., Parectypodus sp., Neoplagiaulax hunteri, Neoplagiaulax nanophus (14962)
To263.8 - 60.9Canada (Alberta) Parectypodus sp., Xyronomys sp., Ectypodus szalayi, Mesodma pygmaea, Mimetodon silberlingi, Neoplagiaulax hunteri, Neoplagiaulax nelsoni, Parectypodus sylviae, Parectypodus corystes, Neoplagiaulacidae indet. (14894)
Torrejonian63.8 - 60.9Canada (Alberta) Mimetodon sp., Parectypodus sp., Neoplagiaulax nanophus, Neoplagiaulax nelsoni, Neoplagiaulacidae indet. (14828) Neoplagiaulax sp., Neoplagiaulacidae indet. (14822) Parectypodus sinclairi (143200)
Torrejonian63.8 - 60.9USA (Utah) Parectypodus sp., Neoplagiaulax macintyrei (14830)
Torrejonian63.8 - 60.9USA (Texas) Ectypodus musculus, Mesodma pygmaea, Mimetodon silberlingi, Parectypodus sloani (14948) Ectypodus musculus, Mimetodon silberlingi, Parectypodus sloani (14956) Mesodma thompsoni (14829)
Torrejonian63.8 - 60.9USA (Wyoming) Ectypodus aphronorus, Mesodma pygmaea, Mimetodon silberlingi, Neoplagiaulacidae indet. (14912) Ectypodus sylviae, Ectypodus szalayi, Neoplagiaulax nelsoni, Parectypodus clemensi, Xanclomys mcgrewi, Xyronomys swainae (14886) Mesodma pygmaea, Neoplagiaulax grangeri (14896) Mimetodon silberlingi, Neoplagiaulax grangeri, Ectypodus sylviae (14898) Neoplagiaulax grangeri (14903) Neoplagiaulax sp. (14900 14905)
Torrejonian63.8 - 60.9USA (New Mexico) Ectypodus sp. (14893) Ectypodus sp., Ectypodus sp., Mimetodon trovessartianus (14816) Mimetodon krausei, Parectypodus clemensi, Ectypodus macrotomeus (14873)
Torrejonian63.8 - 60.9USA (Montana) Ectypodus aphronorus, Ectypodus szalayi, Mesodma pygmaea, Mimetodon silberlingi, Neoplagiaulax grangeri, Parectypodus sinclairi, Neoplagiaulacidae indet. (14906) Mesodma pygmaea, Parectypodus sylviae (14874) Ptilodus sinclairi (14908 14913)
Torrejonian - Tiffanian63.8 - 56.8USA (Wyoming) Neoplagiaulax nelsoni, Parectypodus sylviae (14851)
Ti161.7 - 56.8Canada (Alberta) Ectypodus sp., Parectypodus sp., Ectypodus szalayi, Mesodma pygmaea, Mimetodon silberlingi, Neoplagiaulax hunteri, Neoplagiaulax nelsoni, Parectypodus sinclairi, Parectypodus sylviae, Neoplagiaulacidae indet., Neoplagiaulax donaldorum (14939)
Ti361.7 - 56.8Canada (Alberta) Ectypodus sp., Neoplagiaulax sp., Mesodma pygmaea, Neoplagiaulax hazeni, Neoplagiaulax hunteri (14992) Mimetodon silberlingi, Neoplagiaulax hazeni, Neoplagiaulax serrator, Neoplagiaulax paskapooensis (14928)
Ti461.7 - 56.8Canada (Saskatchewan) Ectypodus powelli, Mesodma pygmaea, Mimetodon silberlingi, Neoplagiaulax hazeni, Neoplagiaulax hunteri (14978)
Tiffanian61.7 - 56.8USA (California) Mesodma sp., Neoplagiaulax sp. (14872) Neoplagiaulax sp. (14963)
Tiffanian61.7 - 56.8Canada (Alberta) Ectypodus sp. (14951) Ectypodus sp., Neoplagiaulax donaldorum (14925) Mesodma pygmaea, Neoplagiaulax hunteri, Ectypodus cochranensis, Prochetodon sp., Anconodon sp. (14995) Mesodma pygmaea, Neoplagiaulax hunteri, Parectypodus sinclairi (14973) Mimetodon silberlingi (14929) Neoplagiaulacidae indet. (14972) Neoplagiaulax hazeni (14930) Neoplagiaulax sp. (14934 14953) Neoplagiaulax sp., Ectypodus powelli, Neoplagiaulax hazeni (14954) Neoplagiaulax sp., Mesodma pygmaea, Mimetodon silberlingi, Neoplagiaulax hazeni, Neoplagiaulax hunteri (14959)
Tiffanian61.7 - 56.8USA (North Dakota) Ectypodus sp., Neoplagiaulax sp., Parectypodus sp., Neoplagiaulax hunteri, Mesodma sp. (14931) Mimetodon silberlingi, Neoplagiaulax hazeni (14976) Neoplagiaulax hazeni, Neoplagiaulax hunteri, Neoplagiaulax mckennai (15000) Neoplagiaulax hunteri (15006)
Tiffanian61.7 - 56.8USA (Montana) Ectypodus powelli, Mimetodon silberlingi, Neoplagiaulax mckennai, Neoplagiaulacidae indet. (15048) Ectypodus sp., Mimetodon sp., Neoplagiaulax sp., Mesodma pygmaea, Neoplagiaulax hunteri, Neoplagiaulax nelsoni, Neoplagiaulax donaldorum (15025) Ectypodus sp., Neoplagiaulax hunteri, Parectypodus laytoni (14937) Neoplagiaulacidae indet. (15008) Neoplagiaulax mckennai (15033) Neoplagiaulax sp., Ectypodus powelli, Mesodma pygmaea, Neoplagiaulax hunteri (15064) Neoplagiaulax sp., Neoplagiaulacidae indet. (15047)
Tiffanian61.7 - 56.8USA (Colorado) Ectypodus musculus (14967 174227)
Tiffanian61.7 - 56.8USA (Wyoming) Ectypodus aphronorus, Mesodma pygmaea, Mimetodon silberlingi, Neoplagiaulax nelsoni, Parectypodus sinclairi, Parectypodus pattersoni (15067) Ectypodus musculus, Mesodma pygmaea (14989) Ectypodus powelli (14944 190419) Ectypodus powelli, Mimetodon churchilli, Neoplagiaulax hazeni, Parectypodus laytoni (15049) Ectypodus powelli, Neoplagiaulax grangeri (14965) Ectypodus powelli, Neoplagiaulax hunteri, Neoplagiaulax jepi (15017) Ectypodus powelli, Neoplagiaulax mckennai (15034) Ectypodus powelli, Parectypodus laytoni (15057 26569) Mesodma sp., Ectypodus powelli, Neoplagiaulax hazeni, Neoplagiaulax hunteri (14936) Mesodma sp., Ectypodus tardus (15036) Neoplagiaulax hazeni (15060 190436) Neoplagiaulax sp. (14980 15014) Neoplagiaulax sp., Ectypodus powelli, Mesodma pygmaea (14952)
Thanetian59.2 - 56.0France (Champagne-Ardenne) Neoplagiaulax nicolai, Neoplagiaulax copei, Neoplagiaulax eocaenus, Neoplagiaulax sylvani, Cernaysia manueli (137126) Neoplagiaulax sylvani, Neoplagiaulax eocaenus, Neoplagiaulax copei, Neoplagiaulax nicolai (137125)
Gashatan58.7 - 55.8China (Nei Mongol) Mesodmops tenuis (71076)
Late/Upper Paleocene58.7 - 55.8USA (Wyoming) Mimetodon silberlingi, Neoplagiaulax hazeni, Neoplagiaulax mckennai (15024) Neoplagiaulax mckennai (15018)
Late/Upper Paleocene58.7 - 55.8China (Xinjiang) Mesodmops tenuis (174687)
Late/Upper Paleocene - Early/Lower Eocene58.7 - 48.6USA (Wyoming) Ectypodus powelli (80579)
Clarkforkian56.2 - 54.9USA (Wyoming) Ectypodus powelli (15085 15087 15150 15151 15155 15183) Ectypodus powelli, Parectypodus laytoni (15082 15089) Parectypodus laytoni, Ectypodus sp. (15072) Parectypodus sp. (15216)
Ypresian56.0 - 47.8France (Île-de-France) Neoplagiaulacidae indet. (68437)
Ypresian56.0 - 47.8Belgium (West Flanders) Neoplagiaulax sylvani (68430)
Ypresian56.0 - 47.8Belgium (Brabant) Neoplagiaulacidae indet. (35531)
Ypresian56.0 - 47.8United Kingdom (England) Charlesmooria childei, Ectypodus tardus (38868) Ectypodus childei (174239)
Lostcabinian55.8 - 50.3USA (Wyoming) Ectypodus childei (15930 16073)
Lysitean - Lostcabinian55.8 - 50.3USA (Wyoming) Parectypodus sp. (15451)
Wasatchian55.8 - 50.3USA (North Dakota) Parectypodus lunatus (15895)
Wasatchian55.8 - 50.3USA (California) Neoplagiaulacidae indet. (15674 15677)
Wasatchian55.8 - 50.3USA (Wyoming) Ectypodus sp. (15916) Ectypodus sp., Parectypodus sp. (15673 118482) Ectypodus tardus (15465 15512 15592 15731 15747 15759 15779 15788 15793) Ectypodus tardus, Parectypodus lunatus (15458 15466 15472 15491 15493 15500 15501) Ectypodus tardus, Parectypodus simpsoni (15758 15790) Parectypodus lunatus (15494 15496 15498 15506 15586 15733 15737 15762 15932 15933) Parectypodus simpsoni (15705 15744 15768 15785 15806 15897 46730) Parectypodus sp. (15455 46798)
Wasatchian55.8 - 50.3USA (New Mexico) Parectypodus sp. (15446 15448)
Wasatchian55.8 - 50.3USA (Colorado) Ectypodus childei (15480 15660) Ectypodus tardus, Parectypodus childei (15485 15845 15887) Ectypodus tardus, Parectypodus childei, Ectypodus hazeni (15725)
Wasatchian55.8 - 50.3Canada (Northwest Territories) Neoplagiaulax sp. (15583)
Wasatchian55.8 - 50.3Canada (Nunavut) Ectypodus arctos (163833)
Early/Lower Eocene55.8 - 48.6USA (Wyoming) Ectypodus powelli (15081) Ectypodus sp. (80580) Ectypodus tardus (154254)
Early/Lower Eocene55.8 - 48.6France (Corbieres) Ectypodus riansensis (182668)
Early/Lower Eocene55.8 - 48.6France (Var) Ectypodus childei (35538)
Early/Lower Eocene55.8 - 48.6China (Shandong) Mesodmops dawsonae (77929)
Late/Upper Uintan46.2 - 39.7Canada (Saskatchewan) Ectypodus lovei (16626)
Uintan46.2 - 39.7USA (Wyoming) Ectypodus lovei (16513 16514 16517) Neoplagiaulacidae indet. (16630)
Uintan46.2 - 39.7USA (Montana) Ectypodus lovei (222922)
Duchesnean39.7 - 37.0USA (Montana) Ectypodus sp. (16854)
Duchesnean39.7 - 37.0USA (Wyoming) Ectypodus lovei (16884) Ectypodus sp. (16826)
Duchesnean39.7 - 37.0Canada (Saskatchewan) Ectypodus lovei (16845 16846)
Chadronian37.2 - 33.9Canada (Saskatchewan) Ectypodus lovei (16919)
Chadronian37.2 - 33.9USA (North Dakota) Ectypodus lovei, Neoplagiaulacidae indet. (16991)
Chadronian37.2 - 33.9USA (Nebraska) Ectypodus sp. (17014)
Chadronian37.2 - 33.9USA (Wyoming) Ectypodus lovei (16961) Ectypodus sp. (17009)
Middle Chadronian37.2 - 33.9Canada (Saskatchewan) Ectypodus lovei (16928)