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Taxonomy
Richterarges was named by Phleger (1936) [Sepkoski's age data: S Ldov-u S Prid Sepkoski's reference number: 774]. It is not extant. Its type is Lichas (Dicranogmus) ptyonurus.
It was assigned to Lichidae by Jell and Adrain (2002); to Lichida by Sepkoski (2002); and to Trochurinae by Thomas and Holloway (1988) and Pollitt et al. (2005).
It was assigned to Lichidae by Jell and Adrain (2002); to Lichida by Sepkoski (2002); and to Trochurinae by Thomas and Holloway (1988) and Pollitt et al. (2005).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Richterarges Phleger |
| 1988 | Richterarges Thomas and Holloway p. 219 |
| 2002 | Richterarges Jell and Adrain p. 440 |
| 2002 | Richterarges Sepkoski |
| 2005 | Richterarges Pollitt et al. p. 238 |
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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. †Richterarges Phleger 1936
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†Richterarges aquilonius Whittington 1961
†Richterarges bigener Bolton 1965
†Richterarges echinatus Thomas in Thomas and Narbonne 1979
†Richterarges ethnikos Lane et al. 1980
†Richterarges facetus Campbell and Chatterton 2007
†Richterarges gibbus Angelin 1854
†Richterarges ormistoni Whittington 1961
†Richterarges ptyonurus Hall and Clarke 1888
†Richterarges rolfei Lamont 1965
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004 | |||||
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery - Wenlock | United Kingdom (England) | R. rolfei (23089) | |
| Telychian | United Kingdom (Scotland) | Hemiarges rolfei (23306 170692 170695 188542 188545) | |
| Wenlock | Canada (Northwest Territories) | R. facetus (26059) | |
| Wenlock | United Kingdom (Scotland) | Hemiarges rolfei (170696 188540) | |
| Homerian | Czech Republic | R. ambiguus (14048) | |
| Ludlow | Canada (Nunavut) | R. spp. (23082) | |
| Ludlow | Canada (Northwest Territories) | Hemiarges aquilonius (188900) Hemiarges ormistoni (188901) | |
| Ludfordian | Canada (Nunavut) | Hemiarges aquilonius (229371) | |
| Pridoli | Greenland | Hemiarges ethnikos (188489) |