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Naomichelys
Taxonomy
Naomichelys was named by Hay (1908).
It was assigned to Baenidae by Hay (1908) and Hay (1930); to Helochelydrinae by Kuhn (1966); to Glyptopsidae by Ostrom (1970); to Eucryptodira by Peng et al. (2001); to Testudinata by Anquetin (2012); to Solemydidae by Milner (2004) and Joyce et al. (2014); and to Helochelydridae by Joyce (2017), López-Conde et al. (2018), Gentry and Ebersole (2021) and Lawver and Garner (2023).
It was assigned to Baenidae by Hay (1908) and Hay (1930); to Helochelydrinae by Kuhn (1966); to Glyptopsidae by Ostrom (1970); to Eucryptodira by Peng et al. (2001); to Testudinata by Anquetin (2012); to Solemydidae by Milner (2004) and Joyce et al. (2014); and to Helochelydridae by Joyce (2017), López-Conde et al. (2018), Gentry and Ebersole (2021) and Lawver and Garner (2023).
Species
Synonymy list
Year | Name and author |
---|---|
1908 | Naomichelys Hay p. 101 |
1930 | Naomichelys Hay p. 73 |
1966 | Naomichelys Kuhn p. 25 |
1970 | Naomichelys Ostrom p. 57 |
2001 | Naomichelys Peng et al. p. 26 |
2004 | Naomichelys Milner p. 1456 |
2012 | Naomichelys Anquetin p. 34 fig. 10 |
2014 | Naomichelys Joyce et al. |
2017 | Naomichelys Joyce |
2018 | Naomichelys López-Conde et al. |
2021 | Naomichelys Gentry and Ebersole |
2023 | Naomichelys Lawver and Garner |
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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.
Diagnosis
Reference | Diagnosis | |
---|---|---|
O. P. Hay 1908 | A genus known only from the entoplastron. Outer surface ornamented with elevations resembling small shot. A long narrow scute (intergular or interhumeral) occupies most of the length of the bone. Gulars ? and humerals ? present. |
Measurements
No measurements are available
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Source: c = class, subp = subphylum, uc = unranked clade | |||||
References: Hendy et al. 2009, Carroll 1988 |
Age range: base of the Late/Upper Aptian to the top of the Early/Lower Campanian or 122.46000 to 70.60000 Ma
Collections (44 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Cretaceous | USA (Montana) | N. speciosa (230157) | |
Valanginian - Cenomanian | USA (Montana) | N. speciosa (142333) | |
Aptian | USA (Montana) | N. speciosa (137606 137611) | |
Aptian - Early/Lower Albian | USA (Montana) | N. sp. (227265) | |
Aptian - Albian | USA (Montana) | N. speciosa (137617) | |
Aptian - Albian | USA (Wyoming) | N. speciosa (137566 137567 137577 137595) | |
Late/Upper Aptian | USA (Texas) | N. sp. (52895) | |
Late/Upper Aptian | USA (Maryland) | N. sp. (14376) | |
Late/Upper Aptian | USA (Idaho) | N. sp. (227208) | |
Late/Upper Aptian - Early/Lower Albian | USA (Texas) | N. sp. (14375 14388) | |
Late/Upper Aptian - Early/Lower Albian | USA (Oklahoma) | N. sp. (14392) | |
Albian | USA (Texas) | N. sp. (52045 99144) | |
Albian | USA (Arkansas) | N. sp. (55531) Testudines indet. (222851) | |
Albian | USA (Montana) | N. speciosa (50700 50716) | |
Early/Lower Albian | USA (Texas) | N. sp. (137532) | |
Middle Albian - Early/Lower Cenomanian | USA (Montana) | N. sp. (55246) N. speciosa (50479 50697) | |
Middle Albian - Early/Lower Cenomanian | USA (Wyoming) | N. speciosa (50498 137562) | |
Cenomanian | USA (Nevada) | N. sp. (181586) | |
Early/Lower Cenomanian | USA (Utah) | N. sp. (22679) | |
Middle Cenomanian | USA (Texas) | N. sp. (172153) | |
Turonian | Canada (British Columbia) | Testudinata indet. (63084) | |
Coniacian - Santonian | USA (Utah) | N. sp. (14393) | |
Late/Upper Santonian | USA (Alabama) | N. sp. (221563) | |
Late/Upper Santonian - Early/Lower Campanian | USA (Utah) | N. sp. (14409 14413) | |
Late/Upper Santonian - Middle Campanian | USA (Missouri) | N. sp. (45679) | |
Early/Lower Campanian | USA (Utah) | N. sp. (14421 167530) | |
Late/Upper Campanian | Mexico (Baja California) | N. sp. (14456 197021) N. speciosa (197020) | |
Middle Campanian | Canada (Alberta) | N. sp. (45564 181024) |