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Zuolong salleei
Taxonomy
Zuolong salleei was named by Choiniere et al. (2010). Its type specimen is IVPP V15912, a partial skeleton (left premaxilla; left maxilla; left quadrate; right and left quadratojugals; left squamosal; right and left ectopterygoids; left pterygoid; left lacrimal; parti), and it is a 3D body fossil. Its type locality is Wucaiwan Sino-American expedition, 2001, which is in an Oxfordian terrestrial sandstone/conglomerate in the Shishugou Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Zuolong salleei Choiniere et al. pp. 1773-1774 figs. 1-17 |
| 2013 | Zuolong salleei Fernandes de Azevedo et al. p. 137 |
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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.
†Zuolong salleei Choiniere et al. 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. N. Choiniere et al. 2010 | Differs from all other theropods in possessing: large, slit-like quadrate foramen inclined medially at approximately 45° with associated deep fossa on the quadrate; sacral centrum 5 with an obliquely oriented posterior articular surface that is angled anterodorsally; fovea capitis very large, occupying almost the entire posterodorsal surface of the femoral head; distal condyle of metatarsal III large relative to that of other metatarsals and bearing an anteromedially projecting flange on its anteromedial margin. Differs from the co-occurring species Guanlong wucaii in having a square premaxillary body in lateral view; an external naris oriented at almost 45° to the horizontal; a triangular anterior end of the maxilla; an antorbital fossa that does not deeply emarginate the ascending process of the maxilla; a postorbital with frontal and jugal processes at right angles to each other; a short postacetabular wing of the ilium; and absence of a pubic tubercle. Differs from the basal coelurosaur Tanycolagreus in having a square, rather than rectangular, premaxillary body; a postorbital without an anterior process; a ventrally directed anterior process of the lacrimal; a straight ulna and radius; and a lateral ridge on cnemial crest of tibia. Differs from the basal coelurosaur Coelurus in having cervical vertebrae that lack paired lateral foramina and are not anteroposteriorly elongate; dorsal centra without a fossa on the lateral surface of the centrum; a straight, rather than sigmoidal, humeral shaft; a high and rounded, rather than low and squared, ilium; and a straight, rather than curved, femoral shaft. |
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| femur circumference | 1 | 112.3 | |||||
| humerus circumference | 1 | 62.0 | |||||
| radius circumference | 1 | 42.5 | |||||
| tibia circumference | 1 | 98.6 | |||||
| ulna circumference | 1 | 38.2 |
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||