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Eospirigerina porkuniana
Taxonomy
Spirigerina (Eospirigerina) porkuniana was named by Janusson (1970).
It was recombined as Eospirigerina porkuniana by Modzalevskaya and Popov (1995).
It was recombined as Eospirigerina porkuniana by Modzalevskaya and Popov (1995).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1970 | Spirigerina (Eospirigerina) porkuniana Janusson p. 30 figs. Pl. 14: 16-27; Pl. 15: 11-17, 21, 22 |
1995 | Eospirigerina porkuniana Modzalevskaya and Popov p. 417 figs. 8, 10A-J; Tbl. 3 |
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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.
†Eospirigerina porkuniana Janusson 1970
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Aberhan et al. 2004, Nesnidal et al. 2013, Hendy 2009 |
Age range: base of the Juuru to the top of the Rhuddanian or 443.10000 to 440.50000 Ma
Collections (12 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Juuru | Estonia (Hiiu) | Spirigerina porkuniana (206927) | |
Juuru | Estonia | Spirigerina porkuniana (174161 174163 206881) | |
Juuru | Estonia (Lääne - Viru) | Spirigerina porkuniana (206963) | |
Juuru | Estonia (Järva) | Spirigerina porkuniana (206910) | |
Juuru | Estonia (Jõgeva) | Spirigerina porkuniana (197468 206933) | |
Juuru | Estonia (Lääne) | Spirigerina porkuniana (193730) | |
Rhuddanian | Kazakhstan (South Central) | Eospirigerina porkuniana (151923) | |
Raikkula | Estonia (Jõgeva) | Spirigerina porkuniana (206952) | |
Raikkula | Estonia (Lääne) | Spirigerina porkuniana (193772) |