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Opalia (Crassiscala)
Taxonomy
Crassiscala was named by de Boury (1887) [Sepkoski's age data: T Eo-m-l T Plio].
It was reranked as Opalia (Crassiscala) by Allison (1955), Pacaud and Le Renard (1995).
It was assigned to Opalia by Allison (1955), Pacaud and Le Renard (1995); and to Neotaenioglossa by Sepkoski (2002).
It was reranked as Opalia (Crassiscala) by Allison (1955), Pacaud and Le Renard (1995).
It was assigned to Opalia by Allison (1955), Pacaud and Le Renard (1995); and to Neotaenioglossa by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1887 | Crassiscala de Boury |
| 1955 | Opalia (Crassiscala) Allison p. 422 |
| 1995 | Opalia (Crassiscala) Pacaud and Le Renard |
| 2002 | Crassiscala 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.
Subg. †Opalia (Crassiscala) de Boury 1887
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†Crassiscala subterranea Wrigley 1940
†Opalia (Crassiscala) riachuelanum Maury 1936
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Beu et al. 1990 | |||||
Age range: base of the Late/Upper Aptian to the top of the Ypresian or 119.57000 to 48.07000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Aptian | Mexico (Baja California) | Opalia riachuelanum (1890) | |
| Ypresian | United Kingdom (England) | Crassiscala subterranea (3266 3268) |