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Agomphus oxysternum
Taxonomy
Amphiemys oxysternum was named by Cope (1877) [no catalogue number given]. Its type specimen is Geological Survey of Georgia specimen, a partial shell (plastron and anterior half of carapace), and it is a 3D body fossil. Its type locality is Amphiemys oxysternum type locality, near Montezuma, which is in a Paleocene marine limestone in Georgia.
It was recombined as Agomphus oxysternum by Hay (1902), Hay (1908), Hay (1930) and Joyce and Bourque (2016).
It was recombined as Agomphus oxysternum by Hay (1902), Hay (1908), Hay (1930) and Joyce and Bourque (2016).
Synonymy list
Year | Name and author |
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1877 | Amphiemys oxysternum Cope p. 83 |
1902 | Agomphus oxysternum Hay p. 445 |
1908 | Agomphus oxysternum Hay p. 256 fig. 320 |
1930 | Agomphus oxysternum Hay p. 90 |
2016 | Agomphus oxysternum Joyce and Bourque |
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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.
†Agomphus oxysternum Cope 1877
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | |||||
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carapace height | 1 | 150.0 |
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Source: superf = superfamily, c = class, subp = subphylum | |||||
References: Carroll 1988, Uetz 2005, Hendy et al. 2009 |
Age range: base of the Late/Upper Cretaceous to the top of the Early/Lower Paleocene or 100.50000 to 61.70000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Cretaceous | USA (Georgia) | Amphiemys oxysternum (152758) | |
Early/Lower Paleocene | USA (Georgia) | Amphiemys oxysternum (type locality: 74548) |