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Megastrophia (Eomegastrophia)
Taxonomy
Megastrophia (Eomegastrophia) was named by Cocks (1967). Its type is Megastrophia (Eomegastrophia) ethica.
It was Brachyprion (Eomegastrophia) by Harper and Boucot (1978) and Dewing (1999); it was reranked as Eomegastrophia by Rong and Cocks (1984), Williams et al. (2000), Sepkoski (2002), Musteikis and Cocks (2004) and Cocks (2019).
It was assigned to Megastrophia by Cocks (1967); to Brachyprion by Harper and Boucot (1978) and Dewing (1999); to Strophomenida by Sepkoski (2002); and to Leptostrophiidae by Rong and Cocks (1984), Williams et al. (2000), Musteikis and Cocks (2004) and Cocks (2019).
It was Brachyprion (Eomegastrophia) by Harper and Boucot (1978) and Dewing (1999); it was reranked as Eomegastrophia by Rong and Cocks (1984), Williams et al. (2000), Sepkoski (2002), Musteikis and Cocks (2004) and Cocks (2019).
It was assigned to Megastrophia by Cocks (1967); to Brachyprion by Harper and Boucot (1978) and Dewing (1999); to Strophomenida by Sepkoski (2002); and to Leptostrophiidae by Rong and Cocks (1984), Williams et al. (2000), Musteikis and Cocks (2004) and Cocks (2019).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Megastrophia (Eomegastrophia) Cocks p. 260 |
| 1978 | Brachyprion (Eomegastrophia) Harper and Boucot p. 282 |
| 1984 | Eomegastrophia Rong and Cocks |
| 1999 | Brachyprion (Eomegastrophia) Dewing |
| 2000 | Eomegastrophia Williams et al. p. 282 |
| 2002 | Eomegastrophia Sepkoski |
| 2004 | Eomegastrophia Musteikis and Cocks |
| 2019 | Eomegastrophia Cocks pp. 51 - 52 |
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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.
Subg. †Megastrophia (Eomegastrophia) Cocks 1967
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†Megastrophia (Eomegastrophia) acanthoptera Whiteaves 1891
†Megastrophia (Eomegastrophia) paskoiacensis Stearn 1956
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. R. M. Cocks 1967 | Megastrophia with dental plates. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Telychian or 438.50000 to 433.40000 Ma
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Silurian | Canada (Manitoba) | Brachyprion acanthopterus (26727 26729 26730 26731 26732 26733 26734 26735 26736 26738 26740) | |
| Telychian | Canada (Quebec) | Megastrophia acanthoptera (77343 77344) | |
| Telychian - Wenlock | Canada (Manitoba) | Brachyprion acanthopterus (26696 26741 26747) Brachyprion paskoiacensis (26365 26419 26422 26445 26449 26627) |