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Hydropelta
Taxonomy
Hydropelta was named by Meyer (1850).
It was assigned to Chelydridae by Cope (1884); to Halmyrachelidae by Lortet (1892); and to Eurysternidae by Anquetin et al. (2017).
It was assigned to Chelydridae by Cope (1884); to Halmyrachelidae by Lortet (1892); and to Eurysternidae by Anquetin et al. (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1850 | Hydropelta Meyer |
| 1884 | Hydropelta Cope |
| 1892 | Hydropelta Lortet p. 18 |
| 2017 | Hydropelta Anquetin et al. pp. 329-330 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Anquetin et al. 2017 | Hydropelta meyeri can be diagnosed as a “eurysternid” by the full list of characters provided for that taxon above: hin-shelled and small to moderately sized (carapace length 200 to 400 mm), by the presence of a ligamentous bridge and lateral plastral fontanelles, and a tendency toward the reduction of sutural contacts between the hyoplastra and the anterior plastral elements |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Age range: base of the Late/Upper Kimmeridgian to the top of the Late/Upper Cenomanian or 155.70000 to 93.50000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Kimmeridgian | France | Chelone meyeri (24426) | |
| Middle Cenomanian - Late/Upper Cenomanian | Germany | H. sp. (74183) |