Gastropoda. Pulmonata. Helix pomatia
Description
Phylum Mollusca
Class Gastropoda
Pulmonata
Land snail, Helix pomatia.
1) Internal and external morphology. On the head two pairs of tentacles, eyes on the tip of the superior pair. Pulmonary vessels on the roof of the mantle cavity .
2) Snail with an evident pneumostome and a shell with asymmetrical spiral.
3) Hypothetical ancestral mollusc with a planispiral shell.
People
Pfurtscheller, Paul (Author)
Michelon, Nicola (Digitiser)
Castelli, Stefano (Digitiser)
Biblioteca Vallisneri - Università di Padova (Digitiser)
Format
image/jpeg (931.13 kB)
wallchart
Subject
• Tavola didattica
Object languages:
LatinSources
• Cassettiera A - 1
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