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Advenaster inermis
Taxonomy
Advenaster inermis was named by Hess (1955). Its type specimen is at the Naturhistorisches Museum Basel and is a 3D body fossil. It is the type species of Advenaster.
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Advenaster inermis Hess pp. 24-27 figs. text-figs. 3, 9, pl. 1, 2, pl. 3 fig. 5 |
| 1966 | Advenaster inermis Spencer and Wright p. U45 figs. fig. 44.1 |
| 1972 | Advenaster inermis Hess pp. 7-9 figs. text-figs. 1, 2; pl. 1 fig. 1-2; pl. 3 fig. 3 |
| 1973 | Advenaster inermis Hess p. 627 |
| 1987 | Advenaster inermis Hess figs. fig. 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.
†Advenaster inermis Hess 1955
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Hess 1955 | Tubercles of the superomarginal smaller than those oft he inferomarginal plates. The tubercles being twice large in the plate center than on the lateral sides, where they also become flattened. Every tubercle has a pit at tits extremity. The Actinolateral plates are imbricated like roof-tiles. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan 1992, Blake 1990, Aberhan et al. 2004 | |||||
Age range: Late/Upper Bajocian or 171.60000 to 167.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bajocian | Switzerland | Advenaster inermis (32036) |