Actinioidea Rafinesque 1815

Patrick Point State Park, Trinidad, California

Tidepools, coastal La Jolla, California.

Tidepool near La Jolla, California.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Description: Digital still collected as part of CODEMAP Item Type: Image Title: Bolocera tuediae Copyright: CODEMAP Species: Bolocera tuediae Site: Atlantic -- Rockall Bank Site Description: Seafloor Depth (m): 219 Latitude: 57 deg 57' 19" N Longitude: 13 deg 58' 42" W Habitat: Bank Rig: RRS James Cook ROV: SeaEye Lynx Deposited By: Ms Katleen Robert Deposited On: 03 October 2013

Cerbère Pyrénées-Orientales France

Cerbère Pyrénées-Orientales France

Oceanário de Lisboa

Haus des Meeres, Vienna / Austria

Nordsømuseet Hirtshals

Kattegatcentret Grenå

Anemonia sargassensis.

1. Tealia Crassicornis, 2. 3. Bunodes Cemmacea, 4. S. Ballii; 5. 6. S. Thallia.

Phymactis veratra.

Anthea cereus (Opelet).

Eloactis producta.

Figure 3.Anemonia sargassensis. A Live specimen in natural habitat B Oral view C Pedal disc view D Cross section through distal column showing mesenteries; arrows indicate siphonoglyphs E Detail of cross section through distal column showing a siphonoglyph F Detail of retractor and parietobasilar muscles G Longitudinal section through margin showing acrorhagi and marginal sphincter muscle H Longitudinal section through base showing basilar muscles I Cross section through tentacle J–U Cnidae.– acrorhagi: J small basitrich K basitrich L holotrich; actinopharynx: M small basitrich N microbasic p-mastigophore; column: O basitrich; filaments: P basitrich Q microbasic b-mastigophore R microbasic p-mastigophore; tentacle: S small basitrich T basitrich U spirocyst. Abbreviations.– acr: acrorhagi, bm: basilar muscle, e: epidermis, fo: fosse, g: gastrodermis, la: larvae, lm: longitudinal muscle, m: mesoglea, mp: marginal projection, od: oral disc, pd: pedal disc, pm: parietobasilar muscle, rm: retractor muscle, s: siphonoglyph, sp: sphincter, t: tentacle. Scale bars: A–C: 10 mm; D–I: 200 μm; J–U: 25 μm.

Figure 1.Stylobates birtlesi sp. n. holotype MTQ G57579 a, b soon after collection (photo: RA Birtles) c, d preserved specimen with Sympagurus trispinosus showing position of oral disc of anemone e preserved specimen: shortest tentacles beside longest ones (on right side of oral disc in this view); tentacles grade in length between longest and shortest around other side of oral disc (dashed line indicates directive axis) f preserved specimen without hermit crab showing aperture and part of carcinoecium not covered by anemone (arrow). Scale bars 20 mm.

Tidepools, coastal La Jolla, California.

Description: The genus Liponema is very distinctive and allopatrically distributed with many records in the Barents Sea. They are very delicate and look very different alive to when collected and hauled to the surface, after which the tentacles are lost. Item Type: Image Title: Liponema multicorne Copyright: Statoil and DNV Species: Liponema multicorne Site: Arctic -- Barents -- Norway Site Description: Seafloor Depth (m): 370 Countries: Norway -- Norwegian Sector Project Partners: Statoil, DNV Deposited By: Dr Andrew Gates Deposited On: 19 July 2011