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Chirotherium postchirotherioides
Taxonomy
Dinosaurichnium postchirotherioides was named by Rehnelt (1950). It is considered to be a form taxon. It is a trace fossil. Its type locality is Bayreuth tracksite, which is in a Carnian terrestrial sandstone in the Benkersandstein Formation of Germany.
It was recombined as Parachirotherium postchirotherioides by Kuhn (1958), Haubold (1971), Demathieu and Haubold (1972), Haubold (1974), Klein and Haubold (2007), Brusatte et al. (2011) and Lagnaoui et al. (2012); it was synonymized subjectively with Chirotherium storetonense by King et al. (2005); it was recombined as Chirotherium postchirotherioides by Klein and Lucas (2021).
It was recombined as Parachirotherium postchirotherioides by Kuhn (1958), Haubold (1971), Demathieu and Haubold (1972), Haubold (1974), Klein and Haubold (2007), Brusatte et al. (2011) and Lagnaoui et al. (2012); it was synonymized subjectively with Chirotherium storetonense by King et al. (2005); it was recombined as Chirotherium postchirotherioides by Klein and Lucas (2021).
Synonymy list
| Year | Name and author |
|---|---|
| 1950 | Dinosaurichnium postchirotherioides Rehnelt p. 31 |
| 1952 | Dinosaurichnium postchirotherioides Heller p. 138 |
| 1952 | Dinosaurichnium postchirotherioides Rehnelt p. 39 |
| 1958 | Parachirotherium postchirotherioides Kuhn p. 22 |
| 1959 | Dinosaurichnium postchirotherioides Rehnelt p. 98 |
| 1971 | Parachirotherium postchirotherioides Haubold p. 64 |
| 1972 | Parachirotherium postchirotherioides Demathieu and Haubold p. 806 |
| 1974 | Parachirotherium postchirotherioides Haubold p. 119 |
| 2007 | Parachirotherium postchirotherioides Klein and Haubold p. 124 |
| 2011 | Parachirotherium postchirotherioides Brusatte et al. p. S16 |
| 2012 | Parachirotherium postchirotherioides Lagnaoui et al. p. 245 |
| 2021 | Chirotherium postchirotherioides Klein and Lucas p. 29 |
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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.
†Chirotherium postchirotherioides Rehnelt 1950
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Klein and S. G. Lucas 2021 | Trackways of a facultative biped with a 66 cm stride length and a pace angulation of 169°. Pes slightly, and manus more strongly, turned outward. Pes imprint pentadactyl, functionally tridactyl and digitigrade to semiplantigrade. Digit III longest, digits II and IV shorter and subequal. Digits I and V strongly reduced and shifted backward, isolated from digits II– IV; digit I much thinner than other digits; digit V mostly reduced to an oval impression, only present in some specimens with short recurved distal portion. Manus imprint pentadactyl, digit III longest, digits IV and V short, and laterally and posterolaterally divergent, respectively. Imprints of digits I and V can be absent in both the pes and the manus. |
Measurements
No measurements are available
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| Source: subo = suborder, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Benton 1983 | |||||
Age range: Carnian or 237.00000 to 228.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Carnian | Germany (Bayern) | Dinosaurichnium postchirotherioides (type locality: 139731) | |
| Carnian | Morocco (Marrakech-Safi) | Parachirotherium postchirotherioides (205518) |