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Oklahomacystis tribrachiatus
Taxonomy
Amygdalocystites tribrachiatus was named by Bassler (1943).
It was recombined as Oklahomacystis tribrachiatus by Parsley and Mintz (1975).
It was recombined as Oklahomacystis tribrachiatus by Parsley and Mintz (1975).
Synonymy list
| Year | Name and author |
|---|---|
| 1943 | Amygdalocystites tribrachiatus Bassler pp. 695-696 figs. pl. 1, fig. 14, 15 |
| 1975 | Oklahomacystis tribrachiatus Parsley and Mintz p. 57 figs. PL 6, figs. 1-13 |
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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.
†Oklahomacystis tribrachiatus Bassler 1943
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Parsley and L. W. Mintz 1975 | Theca globose, inflated; thecal prosopon composed of rosettes of raised triact-ridges; left arm bifurcates with branch extending over anterior face; periproct on anterior face. |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: Blackriveran or 457.30000 to 449.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Blackriveran | USA (Oklahoma) | Amygdalocystites tribrachiatus (24097) Amygdalocystites tribrachiatus, Oklahomacystis tribrachiatus (24095) Oklahomacystis tribrachiatus (197203) |