Cnidarians

Ectopleura ochracea.

Madrepora palmata.

Siderastrea siderea (Ell. & Sol.) General view of a large specimen. Greater horizontal diameter 20.2 cm..

Isopora muricata (Linn.) S. S. (=Cervicornis Lamarck). Height of specimen 37.5 cm..

Sertularia pumila Linn. A.Side view of branch bearing gonanglium.

Figure 5.Color figures of skeleton of various Alaskan stylasterids: A Errinopora fisheri B, G–I Errinopora nanneca C, F Errinopora undulata, D Errinopora disticha E Errinopora zarhyncha. A holotype, USNM 1123526 B holotype, USNM 42875 C holotype, USNM 112327 D holotype, USNM 1123524 E holotype, USNM 42874 F lateral view of a large paratype, USNM 1123528 G lamellate colony with digitate distal branches, USNM 1123462 H lamellate colony, USNM 44070 I intermediate form between lamellate and digitate, USNM 1123510.

Figure 5. SEM photographs of Leptoseris troglodyta sp. n. from Wakatobi, Indonesia (RMNH Coel. 40152). a Upper side of septa showing wide menianes (scale bar: 1 mm; insert: Figure 5b) b Close-up (insert) of Figure 5a (arrows: menianes; scale bar: 0.5 mm) c Cross-section of septa showing multiple menianes along their sides (scale bar: 0.5 mm; insert: Figure 5d) d Close-up (insert) of Figure 5c (arrows: menianes; scale bar: 0.5 mm).

Figure 5.Sinularia eilatensis sp. n., colonies. A ZMTAU Co 35260, holotype B ZMTAU Co 35261, paratype C ZMTAU Co 35305, paratype D ZMTAU Co 35303 E ZMTAU Co 35304 F Sinularia verseveldti, ZMTAU Co 35309.

Figure 7.Lebrunia coralligens. A Live specimen in natural habitat B Oral view C Pedal disc view D Cross section through distal column showing a siphonoglyph E Detail of retractor muscles F Detail of parietobasilar muscles G Detail of a mesentery showing oocytes and spermatic cysts H Longitudinal section through base showing basilar muscles I Cross section through tentacle J–V Cnidae.– actinopharynx: J small microbasic p-amastigopore K microbasic p-amastigophore; column: L small basitrich M small microbasic p-amastigophore; filament: N small microbasic p-amastigophore O microbasic p-amastigophore; tentacle: P basitrich Q microbasic p-amastigophore R small microbasic p-amastigophore S spirocyst; pseudotentacle: T basitrich U microbasic p-amastigophore V macrobasic p-amastigophore. Abbreviations.– bm: basilar muscle, d: directives, e: epidermis, lm: longitudinal muscle, o: oocyst, od: oral disc, pd: pedal disc, pm: parietobasilar muscle, ps: pseudotentacle, rm: retractor muscle, s: siphonoglyph, sc: spermatic cyst; t: tentacle, z: zooxanthellae. Scale bars: A–C: 10 mm; D–H: 200 μm; I: 100 μm; J–U: 25 μm; V: 20 μm.

Figure 9.Sclerites of Parasphaerasclera aff. grayi comb. n. RMNH Coel. 40920 A Surface layer of stalk B Interior of stalk.

Figure 14.Map of the Central Indo-Pacific indicating localities where Cycloseris boschmai sp. n. has been recorded.

Figure 18.Scanning electron micrographs of polyp sclerites of Ovabunda macrospiculata (Gohar, 1940) paratype (ZMTAU Co 35790). a Regular sclerites b Irregular sclerite c Fused sclerites d Pear-shaped sclerite. Scale bar 10 µm.

Figure 11.In situ and corallum images of a and d Pachyseris speciosa b and e Pachyseris inattesa sp. n., c and f Leptoseris mycetoseroides in the Red Sea.

Description: Anemone Actinauge richardi with a Mysid sp. Item Type: Image Title: Actinauge richardi Copyright: SERPENT project Species: Actinauge richardi Site: Atlantic -- North Sea -- West of Shetland -- Faroe-Shetland Channel -- BrugdanNorth Sea -- West of Shetland -- Faroe-Shetland Channel -- Brugdan Site Description: Seafloor Depth (m): 480 Countries: Faroe Islands Habitat: Benthic Rig: Stena Don Project Partners: Statoil, Oceaneering ROV: Magnum 070, Sea Owl 590 Deposited By: Miss Moira MacLean Deposited On: 14 December 2010

Description: Pollack and plumose anemones on the subsea structure of the Thistle platform in the North Sea Item Type: Image Title: Pollack and plumose anemones in the North Sea Species: Metridium senile, Pollachius pollachius Behaviour: Metridium attached to subsea structre. Pollack swimming around structure Site: Atlantic -- North SeaNorth Sea Site Description: Seafloor Depth (m): 165 Countries: UK -- North Sea Habitat: Temperate Rig: Thistle A Platform Project Partners: Rovtech, Lundin Petroleum, iicorr Deposited By: Rob Curry Deposited On: 24 May 2007

Cerbère Pyrénées-Orientales France

Nordsømuseet Hirtshals

Kattegatcentret Grenå

Rørvig

Sødringholm, Randers Fjord

Kattegatcentret Grenå