Bactroptyxis sp. Gründel, 2012
Sugerowana cytacja: Gryz, P. 2020. Bactroptyxis sp. Gründel 2012. Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/view/Species/Bactroptyxis+sp)
Diagnoza Porównanie Growth lines are strongly adapically curved backwards. Six strong folds can be seen in the cross section of the coils: two in the columellar and one in the parietal area of the inner lip and three in the area of the outer lip. Nerinea bacillus d’Orbigny, 1851, in which Laube (1867) classified this species, has clearly concave sides and there is no spiral sculpture. Nerinea trachea Eudes-Deslongchamps, 1843 is very variable with concave to straight sides, with or without a spiral sculpture. Autekologia Występowanie geograficzne Balin, Poland Zasięg czasowy Mid Jurassic Materiały muzealne 2 specimens (NHMW 1867/0008/0030). Literatura Gründel, J. 2012. Neubearbeitung der von Laube 1867 beschriebenen Gastropoden fauna aus dem mittleren Jura von Balin/Polen. Annalen des Naturhistorischen Museums in Wien. Serie A, 114, 193–288. Laube, G. C. 1867. Die Gastropoden des braunen Jura von Balin. Denkschriften der kaiserlichen Akademie der Wissenschaften, 28, 1–28. |
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