| Calclamna Temporal range:
| |
|---|---|
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Holothuroidea |
| Order: | Dendrochirotida |
| Family: | †Calclamnidae |
| Genus: | †Calclamna Frizzell & Exline, 1955 |
| Type species | |
| Calclamna germanica | |
| Synonyms | |
Calclamna is an extinct genus of sea cucumber which existed in Europe during the Triassic and Jurassic period.1 The type species is Calclamna germanica.