Ophiuroidea source details
Ophiomastix bispinosa H.L. Clark, 1917 accepted as Ophiomastix variabilis Koehler, 1905 (source of synonymy)
Ophiomastix notabilis H.L. Clark, 1938 accepted as Ophiomastix variabilis Koehler, 1905 (source of synonymy)
Ophiopeza dubiosa (de Loriol, 1893) accepted as Ophiopeza spinosa (Ljungman, 1867) (source of synonymy)
Ophiopezella dubiosa de Loriol, 1893 accepted as Ophiopeza spinosa (Ljungman, 1867) (source of synonymy)
Pectinura fallax (Peters, 1851) accepted as Ophiopeza fallax fallax Peters, 1851 (source of synonymy)
Potato-shaped, 2-10 cm long and wide, free-living or attached basally to rubble; irregularity lumpy, oscules on low ... [details]
Width to 20 cm. Bell hemispherical, slightly pointed with smooth to finely granulated surface. Mouth-arms with ... [details]
Height to 25 cm, width 1/3 to 1/2 of height. Bell thick, translucent, with smooth surface and four long tentacles ... [details]
Up to 3 cm, with very fine axial ribs. Colour tan. Habitat: eulittoral and deeper. Distribution: W Indian Ocean to ... [details]
Shell up to 5 cm diameter. Colour white to yellowish-brown, lighter at the edges and beneath. Operculum horny and ... [details]
Up to 30 cm long. Distinctive, with ridges of large tubercles running down centre of body, and a series of ... [details]
Width 15-30 cm. Bell flat to domed, firm, translucent, with four (or 5-7) bluish-pink gonad rings, four mouth-arms ... [details]
Erect expanded leaves up to 10 mm thick, 40 cm high. Short woody stalk with fleshy, blade-like lobes. Surface ... [details]
Soft oval body, up to 7cm long, which has a trapezoidal flap at the front and is translucent orange or yellow. ... [details]
Multi thin-walled, fragile tubes, 1-2 cm across and 1-3 cm high, appearing as a thin stretched skin embedded with ... [details]
A broad, plump sea slug, up to 7cm, varying in colour from tan to brown or orange. Body is covered in simple and/or ... [details]
Thick shell, up to 4 cm, with tall spire and large body whorl, upper whorls separated by deep sutures, and the ... [details]
Distinctive, think shell, up to 4 cm, with numerous spiralled, brown cords on lighter background. Aperture toothed ... [details]
Whorled or curved plate-like sponge, 15-20 cm wide and high, which can form a cup with internal spirals at ... [details]
Width to 12 cm. Disc flat, with eight short mouth-arms each with four (or six) side-branches supporting many ... [details]
mouth-arms with 6-8 short, spreading main branches; clubs minute, to 0.8 mm; no peripheral spots (Richmond, 1997). [details]
Width to 35 cm. Bell sub-hemispherical, firm to floppy, finely granular and translucent. Mouth-arms neatly conical ... [details]
with bell bearing rows of prominent papillae radiating outwards. Sting harmless (Richmond, 1997). [details]
Width to 40 cm. Pink to lilac above, brown below, with a central dome covered in 10-50 large, irregular ... [details]
Habitat: Mangrove Forests. Thick, strong, elongate shells up to 3 cm, with five whorls and about 20 axial ribs. ... [details]
Evenly sub-circular shell, up to 2 cm, with undulating surface and a distinctive internal cup-shaped projection. ... [details]
Width to 14 cm, 10 cm high. Bell surface covered with stinging warts. Up to nine tentacles on each corner, on ... [details]
Species up to 4 cm long, with central region orange brown, mottled with lighter and darker patches and dark purple ... [details]
Width to 25 cm. Bell surface with fine warts. Four separate mouth-arms, up to 50 cm long, with frilled edges. Bell ... [details]
Spherical, 2-5 cm diameter. Surface is hairy, silty, and with sunken pits; stiff velvet to touch. Interior orange ... [details]
Multiple stubby fan-like branches, 3-4 cm wide, 5-10 cm long, loosely attached to substrate. Surface tuberculate, ... [details]
Delicate tubular mass, 2-5 cm wide. Tubes 0.5 mm diameter with membraneous raised oscules. Crisp, compressible, ... [details]
Width to 20 cm. Bell slightly pointed, robust and smooth, edged with a skirt furrowed between the fused lappets. ... [details]
Width to 50 cm. Distinctive, large, flat-topped bell, with eight large marginal lobes. Colour typically cream to ... [details]
Diameter up to 3mm, length variable. Similar to Vermetus sp. But much smaller. Flat, brown-red operculum with ... [details]
White, curved, tapering tube with 12 ridges along entire length, up to 5 cm long. Habitat: shallow and deep sand. ... [details]
Up to 5 mm, smooth, thin and glossy. Pale cream with bands of brown dashes. Habitat: among seaweed in shallow ... [details]
Oval and very flattened, up to 15 cm long. Well camouflaged by colouration of mottled creams, beiges, browns, ... [details]
Solid shell, up to 3 cm, with strong, low-spined varices. Colour variable, often brown or mottled, with pale ... [details]
Habitat: rocky shores. Tropical Indo-Pacific, also in Australia in Kalk (1958). [details]
Erect mass, 5 cm high and wide. Highly conulose surface with visible, protruding, tiny black, twig-like fibres up ... [details]
Up to 3 cm long. Distinguished from the two genera (Phyllidia arabica and Phyllidiella zeylanica) by a ventral anus ... [details]
Description: Patches 4-5 cm wide, 5-10 mm thick with punctured surface and slightly raised oscules, 2-3 mm ... [details]
Often a darker red than G. townsendi (Richmond, 1997) [details]
A distinctive, truly pelagic silvery blue mollusc, up to 6 cm long, with three pairs of arms. Floats upside-down ... [details]
Up to 5 cm long. Western Indian Ocean specimens tend to be olive-green, although geographical colour variations ... [details]
Larger, up to 7 cm, dark reddish-brown with white speckles, a broad, yellow band at mantle edge becoming ... [details]
Small single or double tubes or mounds, 0.5-3 cm high, 1 cm wide, scattered in groups on substrate. Oscules apical ... [details]
Club-shaped lobe growing erect from substrate, up to 10 cm wide and high, with rounded apex. Surface covered in ... [details]
Encrusting sponge, irregularly lobate, 5-10 cm long, 5 cm thick. Surface raised into faintly conulose irregular ... [details]
Single or multiple clumps of tubes up to 50 cm high and 4-5 cm wide. Walls 3-4 mm thick, sometimes ribbed, ... [details]
Amorphous and flimsy sponge forming clumps 5-15 cm across and 1-3 cm high, appearing as a thin stretched skin ... [details]
Tiny, to 2 cm. Bell straight-sided, flat-topped, with 16 vertical ridges and eight minute tentacles. Colour ... [details]
reddish-brown, to 15 cm width, with fine, polygonal warts on surface. In adults, pale patches on edge to bell with ... [details]
Width to 10 cm. Conspicuous. Eight thick mouth-arms with long terminal clubs, which may detach. Bell transparent ... [details]
Up to 12 cm long. Variable shades of brown with brown and white blotches, squared cerata, and covered in papillae, ... [details]
Up to 3 cm, similar to N. albescens gemmuliferus, but with more widely spaced, spiny nodules arranged in spiral ... [details]
Small, smooth, rounded shells, up to 3 cm long, with a wide aperture. Characteristic axial zigzag markings on a ... [details]
Similar to Cinachyrella voeltzkowii, but larger, bright orange-yellow, subtidal (Richmond, 1997). [details]
Width to 5 cm. Bell rounded, with low surface warts, four mouth-arms and eight marginal tentacles, both long. ... [details]
Habitat: open seas, but East African records are usually based on stranded individuals, often after storms. ... [details]
Small rounded bush up to 10 cm high, 8 cm wide. Oblong in outline, or with several lobes, attached to substrate by ... [details]
Narrow, tubular shells, up to 6 cm, tapering at both ends. Habitat: usually on Gorgonians in deep water. ... [details]
Up to 4cm long. Occurs in a bewildering variety of colours, from light brown with creamy yellow or orange markings ... [details]
Solid, rubbery, tuberculate body, up to 10 cm long. Ground colour black, white tubercles with bright orange tips ... [details]
Body is broad, truncate, and rather flattened, up to 4 cm long. Ground colour is usually pale green, beige, or ... [details]
Description: Thinly encrusting sponge, 5-10 cm wide, 5 mm thick. Surface composed of rough armoured polygonal ... [details]
Up to 8 cm long. This frequently encountered species is very cryptic. The body is flat, mottled white and brown, ... [details]
Up to 10 cm long. Animals may vary in colour from brown or red to orange. Dorsal pattern of dark and light polygons ... [details]
Unmistakable large, elongated, solid and heavy shell, up to 20 cm. Shoulders of body and upper whorls with thick, ... [details]
Habitat: muddy shore (Ruwa, 1984 <109>). Pure white shells, rather elongated in shape, up to 4 cm; chestnut-brown, ...109> [details]
Circular polypoid disc of chitinous material, to 3 cm. Numerous tentacle-like dactylozoids beneath and around disc; ... [details]
Description: Irregularly encrusting, 10-12 cm long and wide. Surface smooth to faintly domed and undulating. ... [details]
Sprawling, branching sponge with fingers 10-15 cm long, 1-3 cm wide, although highly variable in size. Arises from ... [details]
Encrusting patch. Surface with wrinkles 2-3 mm wide; fleshy, smooth and velvety. Colour fawn. Habitat: shaded ... [details]
Up to 7 cm . One of the most common aeolids found, this species has many clusters of cerata on each side. Body ... [details]
Up to 2 cm, description as family. Colour dark brown to black, with white or yellow spots or zigzag lines. ... [details]
Width to 50 cm. Bell hemispherical with smooth surface. Eight mouth-arms with extra mouth-bearing shoulders ... [details]
Small, solid shell, up to 4 cm, with 1-2 varices and 10-15 prominent knobbly, spiral chords on each whorl. Outer ... [details]
Encrusting, 2-5 cm wide, 4-7 mm thick. Surface undulating translucent "skin" over meandering subdermal canals. ... [details]
Flattened shell, up to 3cm, with fine, radiating, pale ridges on a darker background. Circular outline with a ... [details]
Up to 2 cm long, mottled in shades of green with a few flecks of white and brown. Almost invisible, but probably ... [details]
Steep-sided cone, up to 20 cm wide, 12 cm high and surrounded by shorter, rounded projections, or small cones, 1-4 ... [details]
Spreading cushion with lobes, up to 20 cm long, 10 cm wide, 5 cm high. Surface conulose, but looks smooth and shiny ... [details]
Domed clump of folded, single blades 1 mm thick, frequently in tight groups, up to 18 cm high and wide. Oscular ... [details]
Elongasted, translucent, striped body, up to 8 cm long. Often prickly appearance, and with luminicent blue to ... [details]
Multilobed, erect club-shaped sponge, up to 30 cm high and 20 cm wide, often narrower around the base than at ... [details]
Height to 22 cm, width to 13 cm. As C. alata but surface with low, clear warts separated by a translucent lace-work ... [details]
Encrusting, up to 3 cm thick with turrets 3-4 cm high. Surface with long shallow pits; oscules apical and ... [details]
Spherical, up to 2 cm diameter. Surface divided into raised polygonal areas separated by inhalant channels. Tough ... [details]
Spherical sack-like masses, loosely attached to the substrate. Oscules raised, 1-2 cm diameter; surface smooth, ... [details]
A large, solid shell, up to 20 cm, with long spire, small body whorl, and an outer lip with 5-7 blunt teeth. ... [details]
Description: as T. oryza, but lacking dorsal groove. (Richmond, 1997). [details]
Description: as T. virgatus, but paler brown with darker bands and spots. Distribution: occurs in the southern part ... [details]
Resembles Porpita but with triangular sail on upper surface, to 4 cm. Colour blue. Habitat: floating on sea ... [details]
Width to 60 cm. Firm, hemispherical bell with surface grooved irregularly. Mouth-arms flattened laterally, with ... [details]
Description of Western Indian Ocean specimens: Irregular branches, fingers or blades arising from a spreading base. ... [details]
A heavy, solid shell with high spire, up to 5 cm. Body whorl smooth, upper whorls ribbed. Inner margin of lip ... [details]
Recorded by Richmond (1997) from the Western Indian Ocean, but this is a doubtful record. [details]
Found growing on mangrove pneumatophores, especially those of Sonneratia alba (Richmond, 1997). [details]
Year of descrition from Dautzenberg, 1929 [details]
Year of description from Dautzenberg, 1929 [details]
Year of description from Dautzenberg, 1929. Lamarck as author in Kalk (1958). [details]