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Gracilitheca
Taxonomy
Gracilitheca was named by Syssoiev (1968) [Sepkoski's age data: Cm Tomm-u Cm mMid Sepkoski's reference number: 287,289]. It is the type genus of Gracilithecidae.
It was assigned to Gracilithecidae by Syssoiev (1972); and to Exilithecida by Sepkoski (2002).
It was assigned to Gracilithecidae by Syssoiev (1972); and to Exilithecida by Sepkoski (2002).
Species
Species lacking formal opinion data
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.
G. †Gracilitheca Syssoiev 1968
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†Gracilitheca mirabilis Valent et al. 2012
†Gracilitheca triangularis Valent et al. 2012
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Hendy et al. 2009 | |||||
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tommotian | USA (Massachusetts) | G. sp. (56830) | |
| Tommotian - Atdabanian | Canada (Nova Scotia) | G. bayonet (6897) | |
| Atdabanian | USA (Massachusetts) | G. bayonet (56835) | |
| Atdabanian | Canada (Nova Scotia) | G. bayonet (9386 9390) | |
| Atdabanian - Botomian | Canada (Nova Scotia) | G. bayonet (9391) | |
| Branchian | USA (Massachusetts) | G. bayonet (56854) | |
| Dyeran | Greenland | G. sp. (49458 49464 49471) | |
| Solvan | Morocco | G. destombesi (9122) |