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Analytoceras articulatus
Taxonomy
Analytoceras articulatus was named by Sowerby (1831). It is not extant. It is the type species of Analytoceras.
It was recombined as Analytoceras articulatum by Hyatt (1900), Krumbeck (1923).
It was recombined as Analytoceras articulatum by Hyatt (1900), Krumbeck (1923).
Synonymy list
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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.
†Analytoceras articulatus Sowerby 1831
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Sowerby 1831 | Inner whorls nearly exposed; whorls few divided by eight or ten furrows into as many imbricating joints; the anterior edge of each joint elevated and crossed by the edges of the septa |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Hettangian or 201.40000 to 199.50000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rhaetian - Early/Lower Sinemurian | Austria | Analytoceras articulatum (195482) | |
| Hettangian | Indonesia (Timor) | Analytoceras articulatum (205683) | |
| Hettangian - Sinemurian | Austria | Analytoceras articulatum (38057) | |
| Early/Lower Jurassic | Indonesia (Timor) | Analytoceras articulatum (205669) |