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Lingyuanosaurus sihedangensis
Taxonomy
Lingyuanosaurus sihedangensis was named by Yao et al. (2019). Its type specimen is IVPP V 23589, a partial skeleton (A disarticulated but associated partial skeleton, including one cervical centrum, five partial dorsal, sacral and caudal vertebrae, one complete caudal vertebra), and it is a 3D body fossil. Its type locality is Sihedang, Lingyuan, which is in an Aptian lacustrine mudstone/shale in the Jiufotang Formation of China. It is the type species of Lingyuanosaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2019 | Lingyuanosaurus sihedangensis Yao et al. p. 1 |
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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.
†Lingyuanosaurus sihedangensis Yao et al. 2019
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| X. Yao et al. 2019 | A small therizinosaur distinguished from other therizinosaurs by the following autapomorphies: posterior dorsal vertebrae with prominent paradiapophyseal lamina separating anterior and posterior infradiapophyseal fossae, with ventral part of hyposphene expanding transversely to form intumescence which extends as far as postzygapophysis posteriorly and beyond postzygapophysis laterally, and with centroprezygapophyseal lamina extending anteriorly considerably beyond level of prezygapophysis and fusing with opposite lamina along midline; and ilium with most of dorsal margin strongly convex but posterior part of dorsal margin distinctly concave, and sub-triangular fossa immediately dorsal to pubic peduncle on medial surface. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||