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Trematocystinae
Taxonomy
Trematocystinae was named by Frest and Strimple (2011). Its type is Trematocystis.
It was assigned to Holocystitidae by Frest et al. (2011).
It was assigned to Holocystitidae by Frest et al. (2011).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Trematocystinae Frest et al. p. 79 |
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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. †Trematocystinae Frest and Strimple 2011
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G. †Pustulocystis Paul 1971
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†Pustulocystis ornatissimus Miller 1891
†Pustulocystis pentax Paul 1971
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. J. Frest et al. 2011 | Holocystitidae with globular to pyriform theca; plates of one generation, in up to ten circlets, usually with numerous plates in each; humatipores with flat tangential canals; 6 small POO; 6-8 FAA; 4 ambulacral facets on facetals or on facetals and lower thecal plates; gonopore on FA1 or FA2; hydropore on PO1:PO6 suture; attachment direct, by medium to large attachment area; aboral projection small or absent. |
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Aberhan 1992, Bambach et al. 2007 | |||||
Age range: base of the Wenlock to the top of the Sheinwoodian or 433.40000 to 430.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Telychian - Sheinwoodian | USA (Indiana) | Pustulocystis ornatissimus (26798 26807) | |
| Wenlock | USA (Tennessee) | Pustulocystis pentax (211558) |