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Megastrophia iddingsi
Taxonomy
Stropheodonta iddingsi was named by Merriam (1940) [= Strophodonta demissa Walcott, 1884, p. 118, Pl. 2, figs. 9, 9a, 9b; not Conrad, 1842.].
It was recombined as Megastrophia iddingsi by Johnson (1970).
It was recombined as Megastrophia iddingsi by Johnson (1970).
Sister species lacking formal opinion data
Synonymy list
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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.
†Megastrophia iddingsi Merriam 1940
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Pragian to the top of the Late/Upper Emsian or 413.02000 to 393.47000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pragian | Canada (Northwest Territories) | Megastrophia iddingsi (75582) | |
| Pragian | Canada (Yukon) | Megastrophia iddingsi (43713) | |
| Early/Lower Emsian | Canada (Yukon Territory) | Megastrophia iddingsi (26658) | |
| Emsian | USA (Nevada) | Megastrophia iddingsi (164735 164817 164818 164819 164820 164828) | |
| Emsian | Canada (Yukon) | Megastrophia iddingsi (207813) | |
| Zlichovian | Canada (Yukon) | Megastrophia iddingsi (81647) | |
| Late/Upper Emsian | Canada (Yukon Territory) | Megastrophia iddingsi (26659) | |
| Late/Upper Emsian | Canada (Nunavut) | Megastrophia iddingsi (26623) |