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Eomamenchisaurus yuanmouensis
Taxonomy
Eomamenchisaurus yuanmouensis was named by Lü et al. (2008). Its type specimen is CXMVZA 165, a set of postcrania, and it is a 3D body fossil. Its type locality is Banqing Houshanliangzi, Jiangyi (Zhanghe Fm.), which is in a Jurassic terrestrial horizon in the Zhanghe Formation of China. It is the type species of Eomamenchisaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Eomamenchisaurus yuanmouensis Lü et al. pp. 17-18 figs. Pl. 1-4 |
| 2013 | Eomamenchisaurus yuanmouensis Suteethorn et al. p. 461 |
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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.
†Eomamenchisaurus yuanmouensis Lü et al. 2008
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Lü et al. 2008 | A primitive mamenchisaurid dinosaur with dorsal vertebrae lacking pleurocoels; anterior articular surfaces of dorsal vertebrae flat to slightly convex; posterior articular surface moderately concave; neural spines of third and fourth sacral vertebrae weakly fused; postacetabular process of the ilium present, shaft of ischium straight and longer than pubis; cross-section of mid-shaft of ischium sub-oval; the fourth trochanter placed on posteromedial margin of femur; length ratio of tibia to femur approximately 0.64. |