Morphology:
Celleporina tubulosa is an encrusting bryozoan that initially forms lobed sheets, composed of a single layer of autozooids. Colonies later develop into small rounded mounds, made up of multiple layers autozooids, forming irregular spreading growths which are 8 by 8 mm or larger. Autozooids are small and flask-shaped. They are 0.4-0.5 by 0.25-0.3 mm.
Distribution:
Celleporina tubulosa is a rare species that has been only been reliably reported on three occasions from the Scilly Isles and the Catalan coast
Habitat:
The species is able to colonise rocks from the very lower shore.
Taxonomic name: