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Taxonomy
Acanthopyge (Mephiarges) bifida was named by Edgell (1955). Its type specimen is Stanford Univ. Paleo. Type Coll. No. 8305, a cephalon/head (cranidium), and it is a cast.
It was recombined as Acanthopyge (Jasperia) bifida by Thomas and Holloway (1988); it was recombined as Jasperia bifida by Jell and Adrain (2002).
It was recombined as Acanthopyge (Jasperia) bifida by Thomas and Holloway (1988); it was recombined as Jasperia bifida by Jell and Adrain (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Acanthopyge (Mephiarges) bifida Edgell p. 138 figs. Pl. 14, fig. 1 |
| 1988 | Acanthopyge (Jasperia) bifida Thomas and Holloway p. 223 |
| 2002 | Jasperia bifida Jell and Adrain p. 389 |
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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.
†Acanthopyge (Jasperia) bifida Edgell 1955
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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: Aberhan et al. 2004, Whittington et al. 1997 | |||||
Age range: base of the Couvinien to the top of the Early/Lower Emsian or 410.20000 to 399.50000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Emsian | Australia (New South Wales) | Acanthopyge bifida (224279) | |
| Emsian | Australia (New South Wales) | Acanthopyge bifida (39884 39886) | |
| Couvinien | Australia (New South Wales) | Acanthopyge bifida (188209) |