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Umbonellina infrasilurica
Taxonomy
Umbonellina infrasilurica was named by Koken and Perner (1925) [Umbonellina infrasilurica Koken in Koken & Perner 1925]. It is not extant. Its type locality is Porkuni, Siuge Member, which is in a Porkuni perireef or subreef lime mudstone/chert in the Ärina Formation of Estonia. It is the type species of Umbonellina.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Umbonellina infrasilurica Koken and Perner |
| 1964 | Umbonellina infrasilurica Vostokova pp. 70 - 71 figs. pl. 1 f. 9 |
| 2023 | Umbonellina infrasilurica Wagner p. 701 |
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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.
†Umbonellina infrasilurica Koken and Perner 1925
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: superf = superfamily, c = class | |||||
| References: Batten 1984, Kiessling 2004 | |||||
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Porkuni | Estonia (Lääne-Viru) | Umbonellina infrasilurica (type locality: 87313) | |
| Rhuddanian - Aeronian | Russian Federation (Siberia) | Umbonellina infrasilurica (206560) |