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Daphnia
Taxonomy
Daphnia was named by Muller (1785). It is extant. It was considered monophyletic by Tasch (1969).
It was assigned to Branchiopoda by von Heyden (1862); and to Cladocera by Tasch (1969).
It was assigned to Branchiopoda by von Heyden (1862); and to Cladocera by Tasch (1969).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1785 | Daphnia Muller |
| 1862 | Daphnia von Heyden p. 62 |
| 1969 | Daphnia Tasch |
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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. Daphnia Muller 1785
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†Daphnia fossilis von Heyden 1862
Daphnia primaeva M'Coy 1849
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the MP 30 to the top of the Late/Upper Pleistocene or 27.30000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 23.04 Ma
Minimum age of oldest fossil (stem group age): 23.04 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| MP 30 | Germany | D. fossilis (123945) | |
| Early/Lower Miocene | Spain (Castellon) | D. sp. (225781) | |
| Pleistocene | Greenland | D. pulex (227055) | |
| Late/Upper Pleistocene | USA (Colorado) | D. sp. (169347) |