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Ilsanella oblonga
Taxonomy
Helcionella oblonga was named by Cobbold (1921). Its type locality is Ba1, Comley Quarry, which is in an Arcadian marine shale/sandstone in the Upper Comley Formation of the United Kingdom.
It was recombined as Ginella oblonga by Rozanov et al. (1969); it was recombined as Ilsanella oblonga by Wagner (2023).
It was recombined as Ginella oblonga by Rozanov et al. (1969); it was recombined as Ilsanella oblonga by Wagner (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1921 | Helcionella oblonga Cobbold p. 365 figs. pl. 24 f. 38-39 |
| 1921 | Helcionella rugosa comleyensis Cobbold pp. 365 - 366 figs. pl. 24 f. 40 |
| 1969 | Ginella oblonga Rozanov et al. p. 165 |
| 1986 | Helcionella oblonga Geyer pp. 74 - 75 figs. pl. 1 f. 9 |
| 2023 | Ilsanella oblonga Wagner p. 5466 |
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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.
†Ilsanella oblonga Cobbold 1921
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Invalid names: Ilsanella comleyensis Cobbold 1921 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy 2009, Hendy et al. 2009 | |||||
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Branchian | United Kingdom (England) | Helcionella rugosa (154889) | |
| Branchian | Canada (New Brunswick) | Helcionella oblonga (84397) | |
| Arcadian | United Kingdom (England) | Helcionella oblonga (154911) | |
| Undillan | Germany | Helcionella oblonga (186151) |