| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Alcidia
Taxonomy
Alcidia was named by Rollier (1913). It is not extant.
It was assigned to Oppeliinae by Rollier (1913).
It was assigned to Oppeliinae by Rollier (1913).
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1913 | Alcidia Rollier |
| 1928 | Paralcidia Spath p. 79 |
| 1957 | Paralcidia Arkell et al. p. 275 |
| 2002 | Paralcidia Sepkoski |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Late/Upper Bathonian to the top of the Early/Lower Callovian or 168.20000 to 161.50000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bathonian | Madagascar (Boeny) | A. obsoleta, A. rigida (234079) | |
| Callovian | India | Paralcidia glabella, Paralcidia sp. (68653 68657) | |
| Early/Lower Callovian | France | Paralcidia sp. (60425) Paralcidia voultensis (60426) | |
| Early/Lower Callovian | Madagascar | A. mimetica (98091) A. obsoleta (98094 98126 98165) | |
| Late/Upper Callovian | Germany | Paralcidia glabella (62283) | |
| Late/Upper Callovian | Argentina (Neuquen) | Paralcidia sp. (135718) | |
| Late/Upper Callovian | France | Paralcidia glabella (12265) |