Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Hydracarnidiae
Taxonomy
Hydracarnidiae was named by Van der Hoeven (1849). It is extant.
It was assigned to Parasitengona by Dunlop et al. (2013).
It was assigned to Parasitengona by Dunlop et al. (2013).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
1849 | Hydracarnidiae Van der Hoeven |
2013 | Hydracarnidiae Dunlop 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Reference: Bush and Bambach 2015 |
Age range
Maximum range based only on fossils: Hemingfordian or 18.50000 to 16.30000 Ma
Minimum age of oldest fossil (stem group age): 16.3 Ma
Minimum age of oldest fossil (stem group age): 16.3 Ma
Collections (12 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Hemingfordian | USA (California) | Protoarrenurus convergens (123022 123025 123027 123029 123030 123033 123034 123035 123036 123040 123042) Protoarrenurus sp. (106431) |