Changshunella, Sun & Baliński & Ma & Zhang, 2004
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publication ID |
https://doi.org/ 10.5281/zenodo.13507972 |
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persistent identifier |
https://treatment.plazi.org/id/49378797-FFD0-4B02-261C-FE27F89D9BF2 |
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treatment provided by |
Felipe |
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scientific name |
Changshunella |
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Genus Changshunella nov.
Type species by monotypy: Changshunella yangi gen. et sp. nov. Etymology: From Changshun, the county of the type locality.
Diagnosis.—Small sized, transverse, ventribiconvex verneuiliids with very high and flat, procline ventral interarea. Delthyrium narrowly elongate triangular, covered by convex pseudodeltidum. Hinge line denticulate. Ventral valve with three prominent round to medially grooved compound plications. Dorsal valve with three simple plications. Flanks smooth. Ornament of growth lamellae only. Ventral interior with dental ridges. Dorsal interior with well−developed bilobate and striated cardinal process (ctenophoridium), lack of crural plates.
Occurrence.—Lower Carboniferous, Tournaisian. Muhua, Changshun County, Guizhou, China.
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