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Dimeropyge speyeri
Taxonomy
Dimeropyge speyeri was named by Chatterton (1994) [Dimeropyge cf. clintonensis SHAW, 1968. LUDVIGSEN,1975, PI. 3, figs. 11-12;
Dimeropyge clintonensis SHAW, 1968. CHATTERTON AND LUDVIGSEN 1976, p. 47-51, PI. 18, figs. 1-35, PI. 22, figs. 6-1 1
CHATTERTON 1980, p. 32-33, PI. 8, figs. 1-29;
SPEYER & CHATTERTON,1989, fig. 3A-C. ]. It is not extant. Its type specimen is UA 89 15, a pygidium (thorax & pygidium).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Dimeropyge speyeri Chatterton p. 553 figs. 3, 4.10-4.24, 5-6, 8.15-8.18 |
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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.
†Dimeropyge speyeri Chatterton 1994
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| References: Hendy 2009, Alvarez et al. 2008, Aberhan et al. 2004, Fortey and Owens 1999 | |||||
Age range: Chazyan or 471.30000 to 457.30000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chazyan | Canada (Northwest Territories) | Dimeropyge clintonensis (24621 26054 26055 26057) | |
| Chazyan - Caradoc | Canada (Northwest Territories) | Dimeropyge clintonensis (25308 25309 25310) |