Rodzaj Chrysallida Carpenter, 1856

Gatunek typowy
Chemnitzia communis Adams,1852. Recent, coast of Panama.

Opis

Protoconch hyperstrophic, coaxial. Teleoconch slender, ornamented with broad axial ribs. Axial ribs may or may not appear in depression between spiral ribs. Aperture ovate, umbilicus small, narrow. Columellar fold absent. Base usually smooth apart from growth lines.

Synonimy
Urlocella Gründel, 1998

Zasięg czasowy

Bathonian to Recent.

Literatura

Carpenter, P.P. 1856. Description of new species and varieties of Calyptraeidae, Trochidae, and Pyramidellidae, principally in the collection of Hugh Cuming, Esq. Proceedings of the Zoological Society of London, 24: 166-171.

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
Pyramidellidae

Rodzaj
Chrysallida


Tags:
Created by Piotr Gryz on 2020/06/29 18:03

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