Pseudomelania paucispira Kaim, 2004


Sugerowana cytacja: Gryz, P. 2020. Pseudomelania paucispira Kaim 2004. Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/view/Species/Pseudomelania+paucispira)

Diagnoza

Protoconch paucispiral. Demarcation of teleoconch clearly visible, prosocline.  Shell glossy, tower-like, not ornamented apart from growth lines. Suture very weakly incised, whorls almost flat. Inner lip straight, with umbilical chink.

Porównanie

Similar to Pseudomelania laevigata (Morris & Lycett, 1850) but differs from it by having an umbilical chink. The protoconch of the latter species is unknown and comparison with that of P. paucispira is therefore impossible.


Autekologia


Występowanie geograficzne

Only in type locality.

Zasięg czasowy

Sample L1, Tirnovella pertransiens Zone, Early Valanginian (Early Cretaceous).

Materiały muzealne

ZPAL: 182 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
Ptenoglossa

Rodzina
Pseudomelaniidae

Rodzaj
Pseudomelania

Gatunek
Pseudomelania paucispira

Synonimy

Populacja typowa gatunku

Holotyp

ZPAL Ga.9/21.

Locus typicus

Wąwał near Tomaszów Mazowiecki, Poland

Stratum typicum

Sample L1, Tirnovella pertransiens Zone, Early Valanginian (Early Cretaceous


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Created by Piotr Gryz on 2020/06/29 09:57

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