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Leptocleidia
Taxonomy
Leptocleidia was named by Ketchum and Benson (2010).
It was assigned to Cryptoclidia by Ketchum and Benson (2010), Ketchum and Benson (2011); to Xenopsaria by Benson and Druckenmiller (2014); and to Plesiosauroidea by Frey et al. (2017).
It was assigned to Cryptoclidia by Ketchum and Benson (2010), Ketchum and Benson (2011); to Xenopsaria by Benson and Druckenmiller (2014); and to Plesiosauroidea by Frey et al. (2017).
Subtaxa
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Leptocleidoidea Druckenmiller and Russell |
| 2010 | Leptocleidia Ketchum and Benson p. 15 fig. 6 |
| 2011 | Leptocleidia Ketchum and Benson p. 126 |
| 2014 | Leptocleidia Benson and Druckenmiller figs. 2-3 |
| 2017 | Leptocleidia Frey et al. p. 94 |
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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.
Unr. †Leptocleidia Ketchum and Benson 2010
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Fm. †Leptocleididae White 1940
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G. †Leptocleidus Andrews 1922
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†Leptocleidus capensis Andrews 1911
†Leptocleidus clemai Cruickshank and Long 1997
†Leptocleidus superstes Andrews 1922
Invalid names: Peyerus Stromer 1935 [synonym]
G. †Nichollssaura Druckenmiller and Russell 2009
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†Nichollssaura borealis Druckenmiller and Russell 2009
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Invalid names: Nichollsia borealis Druckenmiller and Russell 2008 [replaced]
Invalid names: Nichollsia Druckenmiller and Russell 2008 [replaced]
Invalid names: Leptocleidoidea Druckenmiller and Russell 2008 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Berriasian to the top of the Albian or 143.10000 to 100.50000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Jurassic - Early/Lower Cretaceous | Australia (Queensland) | Leptocleidus sp. (99161) | |
| Late/Upper Tithonian - Early/Lower Berriasian | United Kingdom (England) | Leptocleididae indet. (122657) | |
| Berriasian | Australia (Western Australia) | Leptocleidus sp. (110534) | |
| Late/Upper Berriasian | Germany (Nordrhein-Westfalen) | Brancasaurus brancai, Plesiosaurus valdensis (45760) | |
| Early/Lower Valanginian | United Kingdom (England) | Cimoliasaurus valdensis (52577 52649 127530) Cimoliosaurus valdensis (127529) Plesiosaurus sp. (91990) | |
| Late/Upper Valanginian | South Africa (Eastern Cape) | Plesiosaurus sp. (117446) | |
| Barremian | United Kingdom (England) | Leptocleidus superstes (117445) | |
| Late/Upper Barremian | United Kingdom (England) | Vectocleidus pastorum (137200) | |
| Late/Upper Barremian - Early/Lower Aptian | Australia (Western Australia) | Leptocleidus sp., Leptocleidus clemai (55309) | |
| Aptian - Albian | Australia (South Australia) | Leptocleidus sp., Umoonasaurus demoscyllus (102987) Umoonasaurus demoscyllus (103084) Woolungasaurus glendowerensis (103085) | |
| Late/Upper Aptian | Australia (South Australia) | Umoonasaurus demoscyllus (103082) | |
| Albian | Canada (Alberta) | Nichollsia borealis (87105) |