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Henicocystinae
Taxonomy
Henicocystidae was named by Jell (1983). Its type is Henicocystis.
It was reranked as the subfamily Henicocystinae by Nardin and Bohatý (2013).
It was assigned to Pleurocystitida by Jell (1983); and to Pleurocystitidae by Nardin and Bohatý (2013).
It was reranked as the subfamily Henicocystinae by Nardin and Bohatý (2013).
It was assigned to Pleurocystitida by Jell (1983); and to Pleurocystitidae by Nardin and Bohatý (2013).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1983 | Henicocystidae Jell |
| 2013 | Henicocystinae Nardin and Bohatý p. 534 |
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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. †Henicocystinae Jell 1983
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G. †Regulaecystis Dehm 1932
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†Regulaecystis pleurocystoides Dehm 1932
†Regulaecystis testudineus Nardin and Bohatý 2013
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. Nardin and J. Bohatý 2013 | Pleurocystitids with trapezoidal to subpyriform thecal outline with no posterior lobe and flattened thecal flanges; periproct large with no anal lobe; one relatively compressed pectinirhomb at L3/L4; two uniserial feeding appendages (emended from Jell 1983: 212). |
Measurements
No measurements are available
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| Source: o = order, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Middle Ordovician to the top of the Eifelian or 471.30000 to 387.95000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician | USA (Kentucky) | Regulaecystis pyriformis (124619) | |
| Ashbyan | USA (Tennessee) | Coopericystis pyriformis (154332) | |
| Pridoli - Lochkovian | USA (Oklahoma) | Regulaecystis sp. (26826) | |
| Early/Lower Devonian | Australia (Victoria) | Henicocystis darraghi (39217) | |
| Early/Lower Emsian | Germany | Regulaecystis pleurocystoides (26904) | |
| Early/Lower Emsian | Germany (Gemuenden) | Regulaecystis pleurocystoides (26903) | |
| Eifelian | Germany (Rheinland-Pfalz) | Regulaecystis testudineus (154336 154337 154338) |