PeRMS source details
Schuchert, P. 2012. North-West European Athecate Hydroids and their Medusae. Synopses of the British Fauna (New Series) 59. The Linnean Society of London, London, pp. i-viii, 1-364.
166414
Publication
Available for editors 
Britain
Systematics, Taxonomy
Date
action
by
Ectopleura L. Agassiz, 1862 (redescription)
Diagnosis
Comprises Codonium proliferum (Forbes, 1884) and similar Corynidae with medusa that bud secondary medusae from ... [details]
Diagnosis
Stolonal hydroid colonies, polyps monomorphic, hydranths either sessile or with a perisarc-covered pedicel. ... [details]
Distribution
North Atlantic from Denmark Strait, east of Greenland, northwest of Iceland through Faroes-Hebrides area to Norway ... [details]
Taxonomy
The taxonomic position is unclear due to the very simple morphology. [details]