Brittle Stars And Basket Stars

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.

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

Description: These basket stars were observed at the top of a ridge on the seabed using their branched arms for filter feeding in the strong currents. Item Type: Image Title: Gorgonocephalus caputmedusae Copyright: SERPENT Project Species: Gorgonocephalus caputmedusae Behaviour: Feeding Site: Atlantic -- Norwegian -- Midnattsol Site Description: Seafloor Depth (m): 928 Latitude: 64 deg 00' 59" N Longitude: 5 deg 16' 44" E Countries: Norway -- Norwegian Sector Habitat: Benthic Rig: Transocean Leader Project Partners: Statoil, Oceaneering, Transocean ROV: Magnum 034 (work class) Deposited By: Dr Andrew Gates Deposited On: 16 August 2007

Description: A species of asteroid often seen in the deep waters of the Norwegian Basin and Faroe Shetland Channel Item Type: Image Title: Pontaster tenuispinus Copyright: SERPENT Project Species: Pontaster tenuispinus, Ophiacantha bidentata Behaviour: Partially covered by the sediment (Ophiacantha bidentata in corner of image) Site: Atlantic -- Norwegian -- Asterix Site Description: Seafloor Depth (m): 1350 Latitude: 5 deg 17' 25" N Longitude: 67 deg 01' 02" E Countries: Norway -- Norwegian Sector Habitat: Benthic Rig: Transocean Leader Project Partners: StatoilHydro, Oceaneering, Transocean ROV: Magnum 018 Deposited By: Dr Andrew Gates Deposited On: 31 March 2009

Fiskeri- og Søfartsmuseet, Esbjerg

Ophiothrix angulata.

Ophiomusium lumani, Wyville Thomson. Dorsal surface.

Indian Deep-Sea Starfishes. Ophiotypa simplex, a Brittle-starfish from the Bay of Bengal, 1997 fathoms....

Amphiura squamata.

Ophiomusium Talismani (Ed. Per.). Expedition du Talisman. 1,617 metres de profondeur.

Ophiocoma Alexandri.

Ophioglypha robusta. Broken young one from crab ledge, aboral view (31), oral view (32); Amphipholis squamata (adult), aboral view (33), oral view (34); Gorgonocephalus agassizii, aboral view (35), oral view (36).

Figure 1.SEM photographs of radial shields of Asteroschema tubiferum (NSMT E-2110) (A) and Squamophis albozosteres sp. n., paratype(MV F-162658) (B). A multi-layered radial shield B single-layered radial shields. The left side of the images are towards the center of the disc and the right side towards the disc margin.

Figure 2.Species of the families Ophiomyxidae (A–E) and Ophiotrichidae (F–J). Ophiomyxa flaccida. A dorsal view, in detail the marginal interradius with a row of large scales B ventral view C jaw D dorsal view of the arm E ventral view of the arm. Ophiothrix (Ophiothrix) angulata F dorsal view, in detail the radial shields G ventral view H jaw I dorsal view of the arms J ventral view of the arms. Scale bar = 1 mm.

Figure 2.Ophioderma peruana sp. n., holotype (CZA-363). A aboral view B oral view C aboral disc and basal portion of the arms D oral disc and basal portion of the arms E jaws F oral portion of the disc and pair of genital slits.

Figure 1.Ophiocnida hispida. A dorsal view. Scale bar = 5 mm B dorsal view of the arm C ventral view of the arm D dorsal view of the disk E ventral view of the disk F jaw. Scale bar = 1 mm. Ophiophragmus papillatus G dorsal view. Scale bar = 5 mm H dorsal view of the arm I ventral view of the arm J dorsal view of the disk (p = papillae around the margin of the disk) K ventral view of the disk L jaw. Scale bar = 1 mm.

Ophiomusium lymani, Wyville Thomson. Oral surface.

Ophiocoma oethiops.

Basket-Fish (Asterophyton).

Figure 3.Squamophis albozosteres sp. n., holotype (MV F162657). A aboral view B oral view. Arrows indicate the arm of another ophiuroid gripped by Squamophis albozosteres.

Figure 14.Some ophiurans in their natural habitat. A Ophiomyxa flaccida B Ophiolepis impressa C Ophiothrix angulata D Ophiocoma echinata E Ophioderma cinerea F Ophioderma appressa. Photos by Thelma L. P. Dias.

Figure 3.Ophioderma peruana sp. n., holotype (CZA-363). A basal portion of the arms with fragmented dorsal arm plates B dorsal arm plates fragmented in several pieces C ventral arm plates and tentacle scales D lateral view of the arm spines.