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Guanlong wucaii
Taxonomy
Guanlong wucaii was named by Xu et al. (2006). It is not extant. Its type specimen is IVPP V14531. Its type locality is TBB2002, Wucaiwan, which is in an Oxfordian mire/swamp mudstone in the Shishugou Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Guanlong wucaii Xu et al. p. 715 figs. 1-2 |
| 2011 | Guanlong wucaii Hone et al. p. 501 |
| 2013 | Guanlong wucaii Thomson et al. p. 71 |
| 2017 | Guanlong wucaii Carr et al. p. 9s |
| 2022 | Guanlong wucaii Krumenacker et al. p. 1339 |
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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.
†Guanlong wucaii Xu et al. 2006
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| X. Xu et al. 2006 | Medium-sized tyrannosauroid with the following autapomorphies: a deep and narrow groove along the anterior margin of the premaxilla; a distinct opening on the maxilla close to the premaxilla–maxilla contact; a complex, highly pneumatic nasal crest; a low, rugose ridge along the midline of the frontals; a dorsally flattened parietal with two parallel sagittal crests; a transverse ridge within the supratemporal fossa; a centropostzygapophyseal lamina on cervicodorsal vertebrae with its dorsal end expanding laterally; deep, longitudinal sulci on both ventral and dorsal surfaces of the distal caudal vertebrae (independently evolved in troodontids8); ventral part of scapular blade with sub-equilateral triangular cross-section and thick posterior margin; metacarpal II with prominent medioventral and laterodorsal processes proximally; manual phalanx II-2 with prominent medioventral process proximally; femoral greater trochanter much narrower anteroposteriorly than the lesser trochanter; distinct fossa on posterodistal surfaces of astragalus and calcaneum; and pedal phalanx II-1 with prominent paired ventral processes proximally. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||