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Ectocion
Taxonomy
Ectocion was named by Cope (1882). It is not extant. Its type is Oligotomus osbornianus.
It was assigned to Meniscotheriidae by Cope (1882) and Carroll (1988); to Meniscotheriinae by Archibald (1998); and to Phenacodontidae by Hay (1902) and Rose et al. (2012).
It was assigned to Meniscotheriidae by Cope (1882) and Carroll (1988); to Meniscotheriinae by Archibald (1998); and to Phenacodontidae by Hay (1902) and Rose et al. (2012).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1882 | Ectocion Cope |
| 1902 | Ectocion Hay p. 605 |
| 1935 | Gidleyina Simpson |
| 1973 | Prosthecion Patterson and West |
| 1988 | Ectocion Carroll |
| 1988 | Prosthecion Carroll |
| 1998 | Ectocion Archibald p. 321 |
| 2012 | Ectocion Rose et al. |
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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.
G. †Ectocion Cope 1882
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†Ectocion cedrus Thewissen 1990
†Ectocion collinus Russell 1929
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Invalid names: Gidleyina montanensis Gidley 1935 [synonym], Gidleyina silberlingi Gidley 1935 [synonym], Gidleyina wyomingensis Gazin 1956 [synonym], Meniscotherium semicingulatum Russell 1929 [synonym], Tetraclaenodon superior Simpson 1935 [synonym]
†Ectocion ignotum Novacek et al. 1991
†Ectocion major Patterson and West 1973
†Ectocion mediotuber Thewissen 1990
†Ectocion nanabeensis Beard and Dawson 2009
†Ectocion parvus Granger 1915
†Ectocion superstes Granger 1915
Invalid names: Gidleyina Simpson 1935 [synonym], Prosthecion Patterson and West 1973 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Carroll 1988, Archibald 1998, Ji et al. 2002, Hendy et al. 2009 | |||||
Age range: base of the Ti1 to the top of the Early/Lower Eocene or 61.70000 to 48.60000 Ma
Collections (393 total)