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Eosinopteryx
Taxonomy
Eosinopteryx was named by Godefroit et al. (2013). It was considered monophyletic by Godefroit et al. (2013).
It was assigned to Paraves by Godefroit et al. (2013); and to Troodontidae by Godefroit et al. (2013).
It was assigned to Paraves by Godefroit et al. (2013); and to Troodontidae by Godefroit et al. (2013).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Eosinopteryx Godefroit et al. |
| 2013 | Eosinopteryx Godefroit et al. p. 2 fig. 3 |
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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.
G. †Eosinopteryx Godefroit et al. 2013
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†Eosinopteryx brevipenna Godefroit et al. 2013
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Godefroit et al. 2013 | As for type and only species: A small paravian maniraptoran theropod that possesses the following osteological autapomorphies: a short snout, about 82% the length of the orbit; a lacrimal with a long posterior process participating in about half the length of the dorsal margin of the orbit and a vestigial anterior process; a short tail, composed of 20 caudal vertebrae, 2.7 times the length of the femur; chevrons reduced to small rod-like elements below the proximal 8th or 9th caudal; an ilium with a proportionally long, low and distally tapering postacetabular process (ratio ‘length/height at midlength’ = 5), and pedal unguals shorter than corresponding penultimate phalanges. The plumage of this taxon is characterized by the absence of rectrices (versus other paravians with preserved plumage) and feathers on metatarsus and pes (versus other troodontids with preserved plumage on the hindlimb). |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||
Age range: base of the Late/Upper Bathonian to the top of the Early/Lower Kimmeridgian or 167.70000 to 150.80000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bathonian - Early/Lower Kimmeridgian | China (Liaoning) | E. brevipenna (106306) |