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Protomegastrophia semiglobosa
Taxonomy
Strophomena semiglobosa was named by Davidson (1871). Its type specimen is B13642 and is a 3D body fossil.
It was recombined as Megastrophia (Protomegastrophia) semiglobosa by Bassett (1971), Bassett and Cocks (1974); it was recombined as Stropheodonta semiglobosa by Manten (1971); it was recombined as Protomegastrophia semiglobosa by Baarli et al. (1999).
It was recombined as Megastrophia (Protomegastrophia) semiglobosa by Bassett (1971), Bassett and Cocks (1974); it was recombined as Stropheodonta semiglobosa by Manten (1971); it was recombined as Protomegastrophia semiglobosa by Baarli et al. (1999).
Synonymy list
| Year | Name and author |
|---|---|
| 1871 | Strophomena semiglobosa Davidson p. 286 figs. Pl. 41 f. 1-4, non Pl. 41 f. 5, 6 . |
| 1971 | Megastrophia (Protomegastrophia) semiglobosa Bassett p. 308 figs. Pl. 54 : 9-1 3 , PI. 55 : 1 -3 |
| 1971 | Stropheodonta semiglobosa Manten |
| 1974 | Megastrophia (Protomegastrophia) semiglobosa Bassett and Cocks p. 17 |
| 1999 | Protomegastrophia semiglobosa Baarli et al. |
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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.
†Protomegastrophia semiglobosa Davidson 1871
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009, Nesnidal et al. 2013 | |||||
Age range: base of the Sheinwoodian to the top of the Homerian or 432.90000 to 426.70000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jaani | Estonia (Saare) | Megastrophia semiglobosa (195595) | |
| Jaani | Estonia (Hiiumaa) | Protomegastrophia semiglobosa (195428) | |
| Sheinwoodian | Norway | Protomegastrophia semiglobosa (14314) | |
| Sheinwoodian | Sweden (Gotland) | Megastrophia semiglobosa (13524 13525) Stropheodonta semiglobosa (13592 13594 13597 13598) | |
| Wenlock | Ukraine | Protomegastrophia semiglobosa (23364) | |
| Homerian | Norway | Protomegastrophia semiglobosa (14317) |