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.


Specyfikacja

Królestwo
ANIMALIA 

Typ
MOLLUSCA

Podtyp
CONCHIFERA

Gromada
GASTROPODA

Podgromada
PROSOBRANCHIA

Rząd
Heterostropha

Rodzina
Tofanellidae

Rodzaj
Cristalloella

Gatunek
Cristalloella boczarowskii

Synonimy

Populacja typowa gatunku

Holotyp

ZPAL Ga.9/248.

Locus typicus

Wąwał near Tomaszów Mazowiecki, Poland.

Stratum typicum

Saynoceras verrucosum Zone, Late Valanginian (Early Cretaceous).


Tags:
Created by Piotr Gryz on 2020/07/03 09:15

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