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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Deltacystinae
Taxonomy
Deltacystinae was named by Sumrall and Sprinkle (1995). Its type is Deltacystis.
It was assigned to Pleurocystitidae by Sumrall and Sprinkle (1995).
It was assigned to Pleurocystitidae by Sumrall and Sprinkle (1995).
Subtaxa
Deltacystis (type genus), Plethoschisma
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Deltacystinae Sumrall and Sprinkle p. 777 |
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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.
Subfm. †Deltacystinae Sumrall and Sprinkle 1995
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. D. Sumrall and J. Sprinkle 1995 | Pleurocystitids with small periproct on right side of ventral surface, three basals on dorsal surface, right margin of dorsal surface formed from B2, ILl, and L2, peristome on dorsal surface. |
Measurements
No measurements are available
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| Source: o = order, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: Rangerian or 471.30000 to 470.30000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rangerian | USA (Nevada) | Deltacystis symmetricus (104286) Plethoschisma grandis (195515 195516) Plethoschisma grandis, Deltacystis symmetricus (119435) |