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Paleohelcura
Taxonomy
Paleohelcura was named by Gilmore (1926).
It was assigned to Ichnofossils by Hantzschel (1975); and to Arachnida by Lockley et al. (2011).
It was assigned to Ichnofossils by Hantzschel (1975); and to Arachnida by Lockley et al. (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Paleohelcura Gilmore |
| 1975 | Paleohelcura Hantzschel |
| 2011 | Paleohelcura Lockley et al. p. 351 |
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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.
G. †Paleohelcura Gilmore 1926
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. Hantzschel 1975 | Long continuous tracks, consisting of 2 parallel rows of foot imprints arranged in groups of 3; between them undulating drag mark occasionally present; groups of foot impressions arranged in straight line, inclined at 60o to 80o angle to median line; average width of track 2 mm; stride varying from 14 to 22 mm. |
Measurements
No measurements are available
No ecological data are available
Age range: base of the Pliensbachian to the top of the Toarcian or 190.80000 to 174.10000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pliensbachian - Toarcian | USA (Idaho) | P. sp. (195189) |