Rissoa (Turbonilla) gracilior M'Coy 1851

Gastropoda - Heterostropha - Pyramidellidae

Alternative combination: Chemnitzia gracilior

Full reference: F. M'Coy. 1851. On some new Silurian Mollusca. Annals and Magazine of Natural History, including Zoology, Botany, and Geology 77:45-63

Belongs to Rissoa (Turbonilla) according to Schauroth 1859

See also Knight et al. 1960, M'Coy 1851 and Wagner 2023

Sister taxa: Turbonilla (Lancea), Turbonilla (Mormula), Turbonilla (Pyrgiscus), Turbonilla (Pyrgolidium), Turbonilla (Sulcurturbonilla), Turbonilla (Terebronilla), Turbonilla (Tragula), Turbonilla (Turbonilla), Turbonilla acicula, Turbonilla aepynota, Turbonilla alpina, Turbonilla arnoldi, Turbonilla asser, Turbonilla buttoni, Turbonilla cancellata, Turbonilla caroliniana, Turbonilla cuevensis, Turbonilla dunnensis, Turbonilla exarata, Turbonilla filosa, Turbonilla gracillima, Turbonilla hemphilli, Turbonilla hypolispa, Turbonilla internodula, Turbonilla interrupta, Turbonilla kernensis, Turbonilla kraussi, Turbonilla letzia, Turbonilla levis, Turbonilla lineata, Turbonilla madrynensis, Turbonilla major, Turbonilla marshensis, Turbonilla mumia, Turbonilla ornata, Turbonilla quinquestriata, Turbonilla rixtae, Turbonilla smithi, Turbonilla speira, Turbonilla stearnsii, Turbonilla striata, Turbonilla stylina, Turbonilla subcoronata, Turbonilla subulata, Turbonilla terebra, Turbonilla torquata, Turbonilla valdezi, Turbonilla zekelii

Type specimen: Its type locality is Penylan Quarry, Pen-y-lan, which is in a Sheinwoodian carbonate mudstone in the Pen-y-lan Mudstone Formation of the United Kingdom

Distribution: found only at Lieskau Quarry, Halle

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