Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Helichus
Taxonomy
Helichus was named by Erichson (1847). It is extant.
It was assigned to Dryopidae by Wickham (1920), Webster and DeMerchant (2012).
It was assigned to Dryopidae by Wickham (1920), Webster and DeMerchant (2012).
Species
Synonymy list
Year | Name and author |
---|---|
1847 | Helichus Erichson |
1920 | Helichus Wickham p. 355 |
2012 | Helichus Webster and DeMerchant |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. Helichus Erichson 1847
show all | hide all
†Helichus eruptus Wickham 1911
†Helichus tenuior Wickham 1912
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|||||
|
|
||||
Source: c = class, p = phylum | |||||
References: Bush and Bambach 2015, Kiessling 2004 |
Age range: Chadronian or 37.00000 to 33.90000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Chadronian | USA (Colorado) | Dryops eruptus (106379) Dryops tenuior (106381) Dryops tenuior, Dryops eruptus (106384) |