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Procolophonichnium haarmuehlensis
Taxonomy
Rhynchosauroides haarmuehlensis was named by Holst et al. (1970). It is a trace fossil.
It was recombined as Procolophonichnium haarmuehlensis by Klein et al. (2015).
It was recombined as Procolophonichnium haarmuehlensis by Klein et al. (2015).
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Rhynchosauroides haarmuehlensis Holst et al. |
| 2015 | Procolophonichnium haarmuehlensis Klein 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.
†Procolophonichnium haarmuehlensis Holst et al. 1970
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Klein et al. 2015 | (emended after Holst et al., Citation1970, Demathieu and Oosterink, Citation1983): Broad trackways, pace angulation between 80° and 100°. Stride/trackway width ratio ∼ 1. Pes imprints with slight outward rotation or parallel to midline. Pes and manus pentadactyl, semiplantigrade to plantigrade. Digit traces straight except in digits III and IV, which are sometimes curved outward, sometimes also slightly inward. Divarication angles between digits large (90°–120° for digits I–V). Proximal margin of imprints straight or posteriorly convex. Tapering claw marks that are often curved outward. Distinguished from: (1) P. nopcsai by the less extensive sole surface and by the different shapes of the digits, which are tapering distally in P. nopcsai but in P. haarmuehlensis show mostly parallel margins with rounded pads and knobby distal ends and often outward curved claws; (2) P. lockleyi isp. nov. by the shorter digit V, the wider digit divarication, the lack of an elongated heel behind digit V, the relatively shorter strides, and by the outward orientation of pes imprints vs. the inward rotation in P. lockleyi ichnosp. nov.; (3) P. nectouxi by the wider digit divarication, the shorter digit V and the outward rotation of the pes; and (4) P. polonicum by the shorter strides and smaller pace angulation, and the parallel margins of digits that are tapering in the latter. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Kiessling 2004, Hendy et al. 2009 | |||||