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Migmanychion
Taxonomy
Migmanychion was named by Wang et al. (2023). Its type is Migmanychion laiyang.
It was assigned to Maniraptora by Wang et al. (2023).
It was assigned to Maniraptora by Wang et al. (2023).
Species
M. laiyang (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2023 | Migmanychion Wang et al. |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| X. Wang et al. 2023 | Maniraptoran theropod differing from other taxa except Fukuivenator paradoxus in having a discoidal distal carpal 1 capping exclusively metacarpal I (unknown in F. paradoxus); a sharp proximolateral flange on the ventral surface of metacarpal I, a manual phalanx II-1 with a lateroventral ridge (convergent with some paravians); manual ungual II dorsoventrally shallower but proximodistally longer than manual ungual I, and distinct from manual unguals I and III in having a prominent proximodorsal lip and the dorsal margin arched well above the level of the articular facet when the latter is oriented vertically. Migmanychion differs from Fuikuivenator in having: gracile metacarpal I more than four times longer than distally wide and narrower than metacarpal II (it is the most robust metacarpal in F. paradoxus); very gracile metacarpal III being no more than 40% of metacarpal II at mid-shaft (55% in F. paradoxus); flexor tubercles of all manual unguals distally displaced relative to proximal articular facet of ungual (in F. paradoxus, the flexor tubercle of ungual I is confluent with the ungual proximal end); manual ungual II with the dorsal margin arched well above the level of the articular facet when the latter is oriented vertically; manual ungual III half the size of manual ungual II (in F. paradoxus, ungual III is >80% the size of ungual II). |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Marsh 1875, Kiessling 2004, Benton 1983 | |||||
Age range: Early/Lower Aptian or 121.40000 to 119.57000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Aptian | China (Inner Mongolia) | M. laiyang (193940) |