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Brontopodus plagnensis
Taxonomy
Brontopodus plagnensis was named by Mazin et al. (2017). It is considered to be a form taxon. Its type specimen is trackway PGN 01, a footprint, and it is a trace fossil. Its type locality is Dinoplagne tracksite, which is in a Tithonian coastal mudstone in the Couches du Chailley Formation of France.
Synonymy list
| Year | Name and author |
|---|---|
| 2017 | Brontopodus plagnensis Mazin et al. p. 290 fig. 12–15 |
| 2020 | Brontopodus plagnensis Moreau et al. p. 9 |
| 2021 | Brontopodus plagnensis Poropat et al. p. 29 |
| 2025 | Brontopodus plagnensis Foster et al. p. 294 |
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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.
†Brontopodus plagnensis Mazin et al. 2017
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J.-M. Mazin et al. 2017 | Wide-gauged sauropod trackway with positive rotation of the pes print more pronounced than that for the manus print. Non-clawed mesaxonic pentadactyle manus print, wider than long, with digit imprints organized in a crown and a well-marked posterior indentation. The manus digit imprint III is the largest, while the digit imprints I and V are generally smaller and slightly separated from the conjoined digit-prints II-IV. Subtriangular pentadactyl pes print, longer than wide, with a significant mesial bulge. The pes digit imprints are generally elliptic and decrease in size from I to V, the digit V being the smallest and sometimes posteriorly oriented. A unique elongate and sharp antero-lateral claw mark points postero-laterally from digit IV on particularly well-preserved pes prints. The manus print is large proportionally to the pes print (heteropody index HI = 1.86). |
Measurements
No measurements are available
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| Source: infrao = infraorder | |||||
| Reference: Marsh 1875 | |||||
Age range: Early/Lower Tithonian or 149.20000 to 145.06000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Tithonian | France (Rhône-Alpes) | Sauropoda indet. (type locality: 155032) |