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Prorotodactylus mirus
Taxonomy
Prorotodactylus mirus was named by Ptaszynski (2000). It is considered to be a form taxon. Its type specimen is ZPAL R.7131: 21, 22, a footprint, and it is a trace fossil. Its type locality is Wióry tracksite, which is in a Spathian channel sandstone/siltstone in the Wióry Formation of Poland. It is the type species of Prorotodactylus.
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Prorotodactylus mirus Ptaszynski p. 188–190 |
| 2011 | Prorotodactylus mirus Brusatte et al. p. S15 |
| 2021 | Prorotodactylus mirus Klein and Lucas p. 77 |
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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.
†Prorotodactylus mirus Ptaszynski 2000
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. Ptaszynski 2000 | Medium-sized Prorotodactylus. Average pes angulation varies in different tracks between 106 and 126°. Divarication of pes digits II-IV is 10"on average. Divarication of pes digits III from the midline is 18°. Manus imprints inclined to the midline at 11°. Of the manus digit group I-IV, digit Ill is the longest. Manus digits I-V and I-IV diverge at about 82° and 28°, respectively. | |
| H. Klein and S. G. Lucas 2021 | Long striding trackways with small, lacertoid, pentadactyl pes and manus imprints. Manus overstepped laterally by the pes. Pes rotated outward and manus rotated inward with respect to the midline. Digitigrade pes with digits I-IV increasing in length, II-IV subparallel and tightly “bunched” with low divarication angle between digits II and IV (≤ 10°). Distinct, straight metatarsal-phalangeal axis forming posterior end of digits II-IV. Digit I everted. Digit V rarely impressed, if present, in a posterolateral postion relative to digits I-IV. Manus semiplantigrade, of chirotheroid shape, compact and rounded with postero-laterally positioned digit V mostly impressed. Digit III always longest, followed by digits IV, II and I, which is shortest. |
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||