Ophiacanthida O'Hara, Hugall, Thuy, Stöhr & Martynov 2017

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

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

Ophiocoma oethiops.

Ophiocoma Alexandri.

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 5.Ophiocoma aethiops. A dorsal view. Scale bar = 15 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 = 5 mm. Ophiocoma alexandri G dorsal view H dorsal view of the arm I ventral view of the arm. Scale bar = 15 mm J dorsal view of the disk K ventral view of the disk. L jaw. Scale bar = 5 mm.

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

Cerbère Pyrénées-Orientales France

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.

Figure 6.Ophioderma panamensis. A dorsal view 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 = 5 mm. Ophioderma teres juvenile G dorsal view. Scale bar = 5 mm H dorsal view of the arm (dp = divided dorsal arm plates) I ventral view of the arm J dorsal view of the disk K ventral view of the disk L jaw. Scale bar = 1 mm.

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

Cerbère Pyrénées-Orientales France

Figure 11.Species of the family Ophiocomidae. Ophiocoma echinata A dorsal view B ventral view, detail of the genital scale (gs) C jaw D dorsal view of the arms E ventral view of the arms. Ophiocoma wendtii F dorsal view G ventral view H jaw I dorsal view of the arms J ventral view of the arms. Scale bar = 1 mm.

Figure 4.Ophioderma peruana sp. n.non-type preserved material (alcohol) showing different colors variations. A specimen in situ B CZA-394 (14 mm DD) radial shields naked C CZA-392 (28 mm DD) radial shields naked D CZA-390 (35 mm DD) radial shields covered by disc granules.

Figure 6.Ophioderma panamensis. A dorsal view 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 = 5 mm. Ophioderma teres juvenile G dorsal view. Scale bar = 5 mm H dorsal view of the arm (dp = divided dorsal arm plates) I ventral view of the arm J dorsal view of the disk K ventral view of the disk L jaw. Scale bar = 1 mm.

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

Cerbère Pyrénées-Orientales France

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 1.Collecting sites of Ophioderma peruana sp. n. A complete map of America B1 Hooker Reef, Punta Sal 2 Quebrada Verde, El Ñuro 3 Lobos de Afuera Island, Peru.

Figure 5.Ophiocoma aethiops. A dorsal view. Scale bar = 15 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 = 5 mm. Ophiocoma alexandri G dorsal view H dorsal view of the arm I ventral view of the arm. Scale bar = 15 mm J dorsal view of the disk K ventral view of the disk. L jaw. Scale bar = 5 mm.