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Demonedys fastigiata
Taxonomy
Demonedys fastigiata was named by Grant (1976). Its type specimen is USNM 211916, a shell (Articulated shell), and it is not a trace fossil. It is the type species of Demonedys.
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Demonedys fastigiata Grant pp. 66-67 figs. Pl 13, figs 1-52 |
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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.
†Demonedys fastigiata Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 2.07 | 1.20 | 3.60 | 2.10 | 0.731 | |
| valve height | 1 | 10.1 | - | - | - | - |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Artinskian to the top of the Roadian or 290.10000 to 266.90000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | China (Xinjiang) | Demonedys fastigiata (35516) | |
| Roadian | Thailand (Kanchanaburi) | Demonedys fastigiata (40858) | |
| Roadian | Thailand (Trang) | Demonedys fastigiata (40869 40871 40872 40873 40874 40875 40877 40878 40894 40899) |