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Kyptoceratini
Taxonomy
Kyptoceratini was named by Webb (1981). It is not extant. Its type is Kyptoceras.
It was assigned to Synthetoceratinae by Webb (1981), Prothero (1998), Webb et al. (2003) and Prothero and Ludtke (2007).
It was assigned to Synthetoceratinae by Webb (1981), Prothero (1998), Webb et al. (2003) and Prothero and Ludtke (2007).
Subtaxa
Kyptoceras (type genus), Syndyoceras
Synonymy list
Year | Name and author |
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1981 | Kyptoceratini Webb |
1998 | Kyptoceratini Prothero p. 435 |
2003 | Kyptoceratini Webb et al. p. 362 |
2007 | Kyptoceratini Prothero and Ludtke p. 173 |
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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.
Tr. †Kyptoceratini Webb 1981
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Prothero 1998, Hendy et al. 2009, Nowak 1999, Carroll 1988, Lillegraven 1979 |
Age range: base of the Harrisonian to the top of the Piacenzian or 24.80000 to 2.58800 Ma
Collections (11 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Harrisonian | USA (Wyoming) | Syndyoceras cooki (17788) | |
Harrisonian | USA (Nebraska) | Syndyoceras cooki (17738 17809 17843 17846 28043) Syndyoceras sp. (17819) | |
Hemphillian | Mexico (Guanajuato) | Kyptoceras sp. (18718) | |
Late/Upper Hemphillian | USA (Florida) | Kyptoceras amatorum (18599) | |
Zanclean | USA (North Carolina) | Kyptoceras amatorum (52582) | |
Piacenzian | USA (North Carolina) | Kyptoceras amatorum (18550) |