Cristalloella boczarowskii Kaim, 2004
Sugerowana cytacja: Gryz, P. 2020. Cristalloella boczarowskii Kaim 2004. Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/view/Species/Cristalloella+boczarowskii)
Diagnoza Elongated shell, 2.35 as high as broad. Early portion of protoconch sinistral, sunken a little below following whorl, during ontogeny changes into dextral. Protoconch peristome with sinusigera lip. Teleoconch ornamented with one prominent medial rib and about 15 weaker ribs. Two other prominent ribs visible close to suture on both whorl sides. Whorls distinctly angulated at medial rib. Spiral ribs crossed by sinusoidal axial ribs (33–34 ribs per whorl). Base ornamented like lateral flanks of whorls. Peristome rounded, columellar area with narrow inner lip. Porównanie Most similar C. minuta differs from the C. boczarowskii in having densely spaced axial ribs and by being hardly visible hyperstrophy Autekologia Występowanie geograficzne Only in type locality. Zasięg czasowy Only in type locality. Materiały muzealne ZPAL: seven shells Literatura Kaim, A. 2004. The evolution of conch ontogeny in Mesozoic open sea gastropods. Palaeontologia Polonica 62, 3–183. |
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