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Schistomerus
Taxonomy
Schistomerus was named by Palmer (1957). It is not extant. Its type is Schistomerus californense. It is the type genus of Schistomerini.
It was assigned to Dytiscidae by Carpenter (1992) and Park and Downing (2001); and to Schistomerini by Palmer (1957) and Nilsson (2001).
It was assigned to Dytiscidae by Carpenter (1992) and Park and Downing (2001); and to Schistomerini by Palmer (1957) and Nilsson (2001).
Species
S. californense (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Schistomerus Palmer p. 259 |
| 1992 | Schistomerus Carpenter |
| 2001 | Schistomerus Nilsson p. 268 |
| 2001 | Schistomerus Park and Downing p. 179 |
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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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| Source: c = class, p = phylum | |||||
| References: Bush and Bambach 2015, Kiessling 2004 | |||||
Age range: Hemingfordian or 20.43000 to 15.97000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hemingfordian | USA (California) | S. californense (106431 123022 123023 123025 123026 123027 123028 123029 123030 123031 123032 123033 123034 123035 123036 123037 123039 123040 123041 123042 123043) |