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Ectoconus ditrigonus
Taxonomy
Periptychus ditrigonus was named by Cope (1882). Its type specimen is AMNH 3798, a mandible (fragment of right dentary with m2), and it is a 3D body fossil. It is the type species of Ectoconus.
It was recombined as Conoryctes ditrigonus by Cope (1883) and Cope (1885); it was recombined as Ectoconus ditrigonus by Cope (1884), Cope (1888), Osborn and Earle (1895), Hay (1902), Matthew (1937), Schoch (1986), Eberle and Lillegraven (1998) and Eberle (2003).
It was recombined as Conoryctes ditrigonus by Cope (1883) and Cope (1885); it was recombined as Ectoconus ditrigonus by Cope (1884), Cope (1888), Osborn and Earle (1895), Hay (1902), Matthew (1937), Schoch (1986), Eberle and Lillegraven (1998) and Eberle (2003).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1882 | Periptychus ditrigonus Cope p. 465 |
1883 | Conoryctes ditrigonus Cope |
1884 | Ectoconus ditrigonus Cope |
1885 | Conoryctes ditrigonus Cope |
1888 | Ectoconus ditrigonus Cope p. 356 |
1895 | Ectoconus ditrigonus Osborn and Earle |
1902 | Ectoconus ditrigonus Hay p. 694 |
1937 | Ectoconus ditrigonus Matthew |
1937 | Ectoconus majusculus Matthew |
1941 | Ectoconus majusculus Simpson p. 1 |
1986 | Ectoconus ditrigonus Schoch |
1998 | Ectoconus ditrigonus Eberle and Lillegraven |
2003 | Ectoconus ditrigonus Eberle p. 159 |
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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.
†Ectoconus ditrigonus Cope 1882
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Invalid names: Ectoconus majusculus Matthew 1937 [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, Ji et al. 2002, Hendy et al. 2009, Carroll 1988, Archibald 1998 |
Age range: Puercan or 66.00000 to 63.30000 Ma
Collections (24 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Puercan | USA (Utah) | Ectoconus ditrigonus (14692 14736 14739) | |
Puercan | USA (Wyoming) | Ectoconus ditrigonus (14716 14717) | |
Puercan | USA (Colorado) | Ectoconus ditrigonus (14679 14684 14687 14688 14792 205863 205864 205868 205871 205881 205886 209900 209983 209997) | |
Puercan | USA (New Mexico) | Ectoconus ditrigonus (14703 14760 14794) Ectoconus sp. (14661 14662) |