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Yassia
Taxonomy
Yassia was named by Jones (1930) [Sepkoski's age data: S Ldov-u S Prid]. It is not extant.
It was assigned to Chonophyllinae by Hill (1956); to Endophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Chonophyllinae by Hill (1956); to Endophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
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. †Yassia Jones 1930
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Llandovery to the top of the Gorstian or 443.10000 to 425.00000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | Russian Federation (Yakutiya) | Y. fasciculata (79513 79514 79516) | |
| Llandovery - Ludlow | China (Xinjiang) | Y. nilkaense (27764) | |
| Sheinwoodian | Russian Federation | Y. fasciculata (23495) | |
| Wenlock | Russian Federation (Siberia) | Y. enormis (206322 206325 206378 206379) | |
| Wenlock | Russian Federation (Yakutiya) | Y. enormis (79530) | |
| Gorstian | Australia (Australian Capital Territories) | Y. enormis (25687) |