Dyakiidae


Dyakiidae is a family of air-breathing land snails terrestrial pulmonate gastropod mollusks in the superfamily Dyakioidea.
Dyakiidae is the only family in the superfamily Dyakioidea. This family has no subfamilies.
Some of the species in this family are sinistral in their shell coiling.

Distribution

The family Dyakiidae is endemic to Sundaland in Southeast Asia.

Anatomy

In this family, the number of haploid chromosomes is between 26 and 30.
The family also includes Quantula striata, the only known terrestrial gastropod to emit light.
The Digestive system characteristics are as follows. The buccal mass is small. The jaw is smooth. The stomach is very simple with weak muscles..

Genera

The family Dyakiidae includes the following 11 genera, with a total of 82 species :
The following cladogram shows the phylogenic relationships of this family and superfamily with the other families within the limacoid clade: