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Taxonomy
Hemiarges ormistoni was named by Whittington (1961). Its type specimen is MCZ 5624, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is Locality 19, which is in a Ludlow marine horizon in the Cape Phillips Formation of Canada.
It was recombined as Richterarges ormistoni by Adrain (1994).
It was recombined as Richterarges ormistoni by Adrain (1994).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Hemiarges ormistoni Whittington |
| 1994 | Richterarges ormistoni Adrain p. 1084 |
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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.
†Richterarges ormistoni Whittington 1961
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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 | |||||