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Anosteira maomingensis
Taxonomy
Anosteira maomingensis was named by Chow and Liu (1955). Its type specimen is IVPP V809, a carapace (internal mold of carapace with fragmentary marginal and plastral bones), and it is a 3D body fossil. Its type locality is Maoming Basin, which is in a Lutetian/Bartonian lacustrine - large shale in the Youganwo Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Anosteira maomingensis Chow and Liu |
| 1963 | Anosteira maomingensis Yeh |
| 2008 | Anosteira maomingensis Brinkman et al. p. 66 |
| 2010 | Anosteira maomingensis Tong et al. p. 281 |
| 2014 | Anosteira maomingensis Joyce |
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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.
†Anosteira maomingensis Chow and Liu 1955
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Tong et al. 2010 | A species of Anosteira of large size, with carapace length ranging from 210 to 290 mm; differing from A. ornata in the reduction of the pleural scutes and the absence of marginal scutes; differing from A. manchuriana in the trapezoidal nuchal; differing from A. mongoliensis in the posterior lobe of the plastron with backward convergent lateral margins; differing from A. shantungensis in the reduced pleural scutes and ornamentation on the peripherals consisting of small isolated tubercles. |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Carroll 1988, Kiessling 2004, Uetz 2005, Hendy et al. 2009 | |||||
Age range: base of the Lutetian to the top of the Late/Upper Eocene or 48.07000 to 33.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lutetian - Bartonian | China (Guangdong) | Anosteira maomingensis (151737 type locality: 167230) | |
| Late/Upper Eocene | China (Guangdong) | Anosteira maomingensis (144065) |