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Synaptichnium pseudosuchoides
Taxonomy
Synaptichnium pseudosuchoides was named by Nopcsa (1923). It is considered to be a form taxon. It is a trace fossil. Its type locality is Stradsfield Quarry, near Brewood, which is in an Anisian terrestrial horizon in the Bromsgrove Sandstone Formation of the United Kingdom. It is the type species of Synaptichnium.
It was recombined as Chirotherium pseudosuchoides by Haubold (1969) and Sarjeant (1975).
It was recombined as Chirotherium pseudosuchoides by Haubold (1969) and Sarjeant (1975).
Synonymy list
| Year | Name and author |
|---|---|
| 1923 | Synaptichnium pseudosuchoides Nopcsa |
| 1954 | Synaptichnium pseudosuchoides Baird p. 174 |
| 1958 | Synaptichnium pseudosuchoides Kuhn p. 20 |
| 1959 | Synaptichnium pseudosuchoides Schmidt p. 106 |
| 1969 | Chirotherium pseudosuchoides Haubold p. 92 fig. 2 |
| 1970 | Synaptichnium pseudosuchoides Demathieu p. 111 |
| 1971 | Synaptichnium pseudosuchoides Haubold p. 54 |
| 1972 | Synaptichnium pseudosuchoides Demathieu and Haubold p. 804 |
| 1975 | Chirotherium pseudosuchoides Sarjeant p. 292 |
| 2004 | Synaptichnium pseudosuchoides Demathieu and Demathieu p. 82 |
| 2005 | Synaptichnium pseudosuchoides King et al. |
| 2010 | Synaptichnium pseudosuchoides Klein et al. p. 4 |
| 2011 | Synaptichnium pseudosuchoides Klein et al. p. 223 |
| 2021 | Synaptichnium pseudosuchoides Klein and Lucas p. 38 |
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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.
†Synaptichnium pseudosuchoides Nopcsa 1923
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Klein et al. 2010 | Lacertoid chirotherians of relative small size, average pes length up to 100 mm; Pedal digits I-IV increasing in length, digit V positioned more laterally than proximally behind anterior digit group. Palmar : plantar surface ratio = 1:1,8 to 3,7; 1:2,5 on average. No distinct narrow gait, pace angulation rarely exceeding 160◦, 140◦ on average. |
Measurements
No measurements are available
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| Source: subo = suborder, subc = subclass, c = class, subp = subphylum | |||||
| References: Benton 1983, Carroll 1988, Hendy et al. 2009 | |||||