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Helophorus (Mesosperchus)
Taxonomy
Mesosperchus was named by Ponomarenko (1977).
It was synonymized subjectively with Zetemenos by Ponomarenko (1992); it was reranked as Helophorus (Mesosperchus) by Fikáček et al. (2012) and Ponomarenko (2014).
It was assigned to Hydrophilidae by Ponomarenko (1977), Ponomarenko (1985) and Carpenter (1992); and to Helophorus by Fikáček et al. (2012) and Ponomarenko (2014).
It was synonymized subjectively with Zetemenos by Ponomarenko (1992); it was reranked as Helophorus (Mesosperchus) by Fikáček et al. (2012) and Ponomarenko (2014).
It was assigned to Hydrophilidae by Ponomarenko (1977), Ponomarenko (1985) and Carpenter (1992); and to Helophorus by Fikáček et al. (2012) and Ponomarenko (2014).
Synonymy list
Year | Name and author |
---|---|
1977 | Mesosperchus Ponomarenko p. 108 |
1985 | Mesosperchus Ponomarenko p. 142 |
1992 | Mesosperchus Carpenter |
2012 | Helophorus (Mesosperchus) Fikáček et al. p. 103 |
2014 | Helophorus (Mesosperchus) Ponomarenko p. 1664 |
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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.
Subg. †Helophorus (Mesosperchus) Ponomarenko 1977
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†Helophorus (Mesosperchus) costalis Ponomarenko 2014
†Helophorus (Mesosperchus) gracilis Prokin et al. 2010
†Helophorus (Mesosperchus) inceptivus Fikáček et al. 2012
†Helophorus (Mesosperchus) tarsalis Ponomarenko 1977
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Invalid names: Mesohelophorus elongatus Ponomarenko 1990 [synonym]
†Helophorus (Mesosperchus) yixianus Fikáček et al. 2012
Diagnosis
No diagnoses are available