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Megastrophia (Protomegastrophia)
Taxonomy
Brachyprion (Protomegastrophia) was named by Caster (1939).
It was Megastrophia (Protomegastrophia) by Cocks (1978).
It was assigned to Brachyprion by Caster (1939); and to Megastrophia by Cocks (1978).
It was Megastrophia (Protomegastrophia) by Cocks (1978).
It was assigned to Brachyprion by Caster (1939); and to Megastrophia by Cocks (1978).
Species lacking formal opinion data
Megastrophia bobilevi, Megastrophia concava, Megastrophia frami, Megastrophia hemisphaerica, Megastrophia hemispherica, Megastrophia hemisphericus, Megastrophia hopkinsi, Megastrophia magniventra, Megastrophia manchurica, Megastrophia orientalis, Megastrophia proxicostellata, Megastrophia pygmaea, Protomegastrophia inflata, Protomegastrophia miranda, Protomegastrophia prima
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Brachyprion (Protomegastrophia) Caster |
| 1978 | Megastrophia (Protomegastrophia) Cocks p. 128 |
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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 (Protomegastrophia) Caster 1939
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†Brachyprion (Protomegastrophia) profunda Hall 1852
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: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Aeronian to the top of the Early/Lower Emsian or 440.50000 to 399.50000 Ma
Collections (57 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery - Wenlock | USA (New York) | Protomegastrophia profunda (13045) | |
| Silurian | USA (Indiana) | Protomegastrophia profunda (75266) | |
| Aeronian | USA (New York) | Stropheodonta profunda (81786 81787 81812 81827 81868) | |
| Telychian | USA (Iowa) | Protomegastrophia profunda (24963 24969) | |
| Telychian | USA (New York) | Protomegastrophia profunda (77053) | |
| Telychian | Canada (Quebec) | Protomegastrophia profunda (184842 184851) | |
| Telychian - Homerian | USA (Iowa) | Protomegastrophia profunda (24959) | |
| Sheinwoodian | USA (Wisconsin) | Protomegastrophia profunda (13069 13075) | |
| Sheinwoodian | USA (New York) | Stropheodonta profunda (81785 81816 82502 82509 82510 82511 82535 82536 82545 82560 82582 82595 82597 83093 83095) | |
| Sheinwoodian | United Kingdom (England) | Megastrophia sp. (23061) | |
| Wenlock | USA (New York) | Protomegastrophia profunda (12935 13053) Stropheodonta profunda (81840 81873 81885 81898 81905 81906 81920 82501) | |
| Wenlock | Canada (Northwest Territories) | Brachyprion sp. (26059) | |
| Wenlock | USA (Wisconsin) | Protomegastrophia profunda (13001 13012 13014 13353 26815) | |
| Wenlock - Ludlow | USA (Illinois) | Protomegastrophia profunda (26816) | |
| Wenlock - Silurian | USA (Wisconsin) | Protomegastrophia profunda (13017 13041 13042 13104 13107) | |
| Whitwellian | Canada (Northwest Territories) | Brachyprion sp. (26042 26058) | |
| Early/Lower Emsian | China (Heilongjiang) | Megastrophia manchurica (25844 25845) |