Campanulariidae Orthopyxis

Spider Web Hydroid

Straight-box Bell-shaped Thin-shell Water-animal Stinging-nettle Animals

Campanulariidae is a family of animals in the phylum Cnidaria, or stinging-celled animals. Campanulariidae is composed entirely of hydroids, a Greek term meaning "water animals" applied to the plant-like polyp colonies of the class Hydrozoa. All species of the Campanulariidae are aquatic in habitat, primarily inhabiting coastal regions and tidal pools.

Obelia contains probably the most well-known species of this phylum, and include four species. All are around 20–35 cm in height with a series of branches carrying the individual polyps. One species, Obelia longissima, is unique for its ability to produce obelin, a photoprotein which allows for bioluminescence.

Campanulariidae. Retrieved November, 05 2021, from

Barbula unguiculata is a species of moss belonging to the family Pottiaceae. Synonyms:

Barbula amoena Schumach.

Barbula apiculata Hedw.

Orthopyxis. Retrieved November, 05 2021, from