Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Strabocystis
Taxonomy
Species
Synonymy list
Year | Name and author |
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1982 | Strabocystis Sprinkle p. 259 |
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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.
Diagnosis
Reference | Diagnosis | |
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J. Sprinkle 1982 | Thecal shape elongate cylindrical, summit tilted away from periproct; ILL and LL circlets open; periproct surrounded by 3 thecal plates (IL4, L4, and L5); 19 to 20 rhombs and demirhombs; ambulacra short, confined to summit and only slightly indenting RR, R2 lacking ambulacral tip; proximal stem medium-sized, tapering fairly slowly. |
Measurements
No measurements are available
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Source: o = order, p = phylum | |||||
References: Aberhan 1992, Aberhan et al. 2004 |
Age range: base of the Blackriveran to the top of the Costonian or 457.30000 to 457.20000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Costonian | USA (Oklahoma) | S. fayi (13815) | |
Blackriveran | USA (Oklahoma) | S. fayi (24101) |