Phylum Mollusca. Helix
Description
Class Gastropoda
Pulmonata
Land snail, Helix.
- External morphology. On the head two pairs of tentacles, eyes on the tip of the superior posterior pair. Pneumostome and anus are shown. Asymmetrical spiral shell.
- Internal morphology. Pulmonary vessels on the roof of the mantle cavity and circulatory system with heart (blue). Digestive system (green). Reproductive hermaphroditic system (pink). Nervous concentrated system, with ganglia associated with the nervous ring (black).
- Radula with teeth that point backward.
- Section of and eye.
People
Anonimo (Author)
Ortolan, Monica (Digitiser)
Nalesso, Federica (Digitiser)
Biblioteca Vallisneri - Università di Padova (Digitiser)
Format
image/jpeg (603.26 kB)
wallchart (height: 100 cm, width: 78 cm)
Object languages:
LatinSources
• Cassettiera
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