Stylophyllopsis Frech, 1890
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publication ID |
https://doi.org/10.1186/s13358-021-00238-8 |
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persistent identifier |
https://treatment.plazi.org/id/0390879F-384F-FFB9-2DBD-F93EE2A4FD56 |
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treatment provided by |
Felipe |
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scientific name |
Stylophyllopsis Frech, 1890 |
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Genus Stylophyllopsis Frech, 1890 View in CoL
Type species. Stylophyllopsis polyactis Frech, 1890 , Upper Triassic of Austria (Rhaetian, Zlambach Beds) (lectotype designation Roniewicz, 1989).
Diagnosis. Solitary and phaceloid. Budding intracalicular. Septal spines long, connected by stereome, resulting in subcompact septal blades that have large pores. Additional stereome layers might fuse the septal spines and cover endothecal dissepiments. In the septal spines axial rods or lamellae are present. Axial ends of septa dissociate, forming septal spines. Distal edge of septa coarsely denticulate. Columella formed by isolated septal spines. Endothecal dissepiments vesicular to subtabulate; large and vesicular in peripheral area of corallite. Peripheral, large-vesicular dissepimentarium irregularly present. Microstructure made of bundles of fiber. Epitheca sensu lato present.
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