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Calyptaulax angusta
Taxonomy
Calliops angusta was named by Cooper (1953). Its type specimen is USNM 78976a, a cephalon/head, and it is a 3D body fossil.
It was recombined as Calyptaulax angusta by Ross and Barnes (1967).
It was recombined as Calyptaulax angusta by Ross and Barnes (1967).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Calliops angusta Cooper p. 35 figs. Pl. 14, fig. 4 |
| 1967 | Calyptaulax angusta Ross and Barnes pp. D28 - D29 figs. Plate 8, figures 34, 35 |
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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.
†Calyptaulax angusta Cooper 1953
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, subo = suborder, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004, Fortey and Owens 1999, Harrington et al. 1959 | |||||
Age range: Whiterockian or 471.30000 to 457.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Whiterockian | USA (Nevada) | Calliops sp. (104282) |