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searching for Siphonal canal 39 found (1438 total)

Dakshinavarti shankha (812 words) [view diff] exact match in snippet view article find links to article

a rare reverse-turning spiral. The shankha is held with the spout (siphonal canal) pointed up; its spiral twists rightwards rather than the more common

Favartia taylorae (225 words) [view diff] exact match in snippet view article find links to article

siphonal canal; 7 varices per whorl; varices with 6 large, strongly recurved spines; intervarical areas with 6 large fimbriated cords; siphonal canal

Favartia hilli (175 words) [view diff] exact match in snippet view article find links to article

with inflated whorls and rounded shoulder; spire moderately elevated; siphonal canal long, straight; aperture large in proportion to shell size, oval; 8

Murexsul harasewychi (200 words) [view diff] exact match in snippet view article find links to article

thin, fragile, very elongated and fusiform, with high elevated spire; siphonal canal long, roughly one-third total length; 6 varices per whorl; shoulder

Tibia fusus (324 words) [view diff] exact match in snippet view article find links to article

reach a length of 15–31 centimetres (5.9–12.2 in) (including the long siphonal canal), with a typical length of 23 cm (9 in.). These shells are large, spindle-shaped

Chicoreus dunni (153 words) [view diff] exact match in snippet view article find links to article

"Shell small for genus, slender, elongated, with elevated spire and long siphonal canal; body whorl with 3 varices; intervarical regions with 1 large rounded

Dermomurex glicksteini (205 words) [view diff] exact match in snippet view article find links to article

"Shell elongated, fusiform, with elevated spire and well developed siphonal canal; whorls with 3 large blade like varices; intervarical areas with 1 large

Daphnella omaleyi (183 words) [view diff] exact match in snippet view article find links to article

delicate flesh-coloured shining shell with oblong aperture and produced siphonal canal. This attenuate-fusiform shell contains 7 whorls, including two decussated

Mitromorphidae (429 words) [view diff] exact match in snippet view article find links to article

paucispiral or multispiral protoconch up to 4.5 whorls, a short or indistinct siphonal canal, narrow aperture with up to 3 columellar pleats, indistinct anal sinus

Chicoreus rachelcarsonae (159 words) [view diff] exact match in snippet view article find links to article

shoulder between varices; varix with 5 spines; spines often frondose; siphonal canal with 3 large spines; spine on shoulder largest; spire high and elevated;

Favartia lindae (151 words) [view diff] exact match in snippet view article find links to article

ribbed, cancellated; siphonal canal with 2 large, fimbriated cords; siphonal cords end in 2 large spines on each varix on siphonal canal; aperture large in

Polystira sunderlandi (223 words) [view diff] exact match in snippet view article find links to article

spire whorls with 3 cords: cords all equally-spaced and equal-sized; siphonal canal long, straight, with numerous small spiral cords and spiral threads;

Chicoreus loebbeckei (331 words) [view diff] exact match in snippet view article find links to article

smoother than the whorls. The siphonal canal also has a prominent "wing" similar to the varices after which the siphonal canal has a sharp recurved bend.

Pygmaepterys richardbinghami (283 words) [view diff] exact match in snippet view article find links to article

whorl; body whorl ornamented with 5 large, evenly-spaced, raised cords; siphonal canal with 4 cords; spire whorls with 3 spiral cords; shoulder tabulate, sharp-angled;

Pygmaepterys richardbinghami (283 words) [view diff] exact match in snippet view article find links to article

whorl; body whorl ornamented with 5 large, evenly-spaced, raised cords; siphonal canal with 4 cords; spire whorls with 3 spiral cords; shoulder tabulate, sharp-angled;

Aforia goniodes (531 words) [view diff] exact match in snippet view article find links to article

above, with a long, narrow siphonal canal below. The outer lip is high-arched and then straight along the siphonal canal. Its edge retreats immediately

Vokesimurex samui (195 words) [view diff] exact match in snippet view article find links to article

large projecting spine; siphonal canal with 1 large spine near top, several smaller scale-like spines below; end of siphonal canal smooth; columellar region

Chicoreus elisae (223 words) [view diff] exact match in snippet view article find links to article

Columellar lip callous, smooth, clearly separated from body of shell. Siphonal canal moderately long (about one-third of the shell), straight. Last teleoconch

Euhoplites (1,327 words) [view diff] exact match in snippet view article find links to article

flexuous and became attenuated on the living chamber. Venter is flat with siphonal canal and ventro-lateral clavi are slightly oblique to it. Forms of this species

Turris carlsoni (247 words) [view diff] exact match in snippet view article find links to article

Turridae, the turrids. The length of the figured specimen, (apex and siphonal canal defective) is 43 mm. ; the width of the body whorl, 24 mm. (Original

Favartia kalafuti (170 words) [view diff] exact match in snippet view article find links to article

around mid-body and one around siphonal canal; suture marked with row of intermittent dark brown patches; siphonal canal with 2 large cords, producing

Borsonella merriami (311 words) [view diff] exact match in snippet view article find links to article

width: 5.2 mm.; body whorl 7.6 mm.; aperture, including siphonal canal, 6 mm.; siphonal canal 1.5 mm. This fossil species is rare in Pliocene and lower

Lyria michardi (264 words) [view diff] exact match in snippet view article find links to article

The aperture is large and oval. The spire is high and conical. The siphonal canal is long and slender.[citation needed] Lyria michardi is found in the

Penion (1,868 words) [view diff] exact match in snippet view article find links to article

aperture and siphonal canal combined. Protoconch morphology is also highly variable, from 1.5 - 4.0 whorls in height. The siphonal canal of the shell

Turritriton (369 words) [view diff] exact match in snippet view article find links to article

subturbinate body with flat-topped turriculate whorls, a short spire and siphonal canal, subumbilicate, with a single large and heavy terminal varix and narrow

Splendrillia majorina (258 words) [view diff] exact match in snippet view article find links to article

height and 10.9 mm in diameter, with convex spire outlines, a short siphonal canal, concave shoulders, a subsutural fold, and a deep shoulder sinus. The

Ranellidae (529 words) [view diff] exact match in snippet view article find links to article

distribution, and belong more especially to the Asiatic fauna. Those with the siphonal canal very much produced are obtained from deep water. The cancellated forms

Turbinellinae (198 words) [view diff] exact match in snippet view article find links to article

shells with conical-shaped whorls. The large body whorl ends in a long siphonal canal. The columella contains three to four plaits. Genera in the subfamily

Cerithium echinatum (131 words) [view diff] exact match in snippet view article find links to article

gastropod mollusk in the family Cerithiidae. This snail's shell has a short siphonal canal. The shell has spiral rows of bumps as well as reddish-brown dashes

Murex tribulus (149 words) [view diff] exact match in snippet view article find links to article

(2.6–6.3 in). This quite common snail has a shell with a very long siphonal canal and numerous very long, fragile and acute spines, providing protection

Hesperisternia harasewychi (212 words) [view diff] exact match in snippet view article find links to article

knobs per varix, produced by intersections of varix with spiral cord; siphonal canal short, stumpy, ornamented with numerous spiral threads; interior of

Hesperisternia harasewychi (212 words) [view diff] exact match in snippet view article find links to article

knobs per varix, produced by intersections of varix with spiral cord; siphonal canal short, stumpy, ornamented with numerous spiral threads; interior of

Polystira lindae (173 words) [view diff] exact match in snippet view article find links to article

body whorl with 5 large, sharp-edged cords; spire whorls with 3 cords; siphonal canal with numerous fine spiral threads; anal notch narrow, deep; shell color

Conomitra leonardhilli (127 words) [view diff] exact match in snippet view article find links to article

biconic; body with numerous fine axial ribs, running from suture to siphonal canal; axial ribs intersected by numerous spiral cords, giving shell reticulated

Rhombinella laevigata (279 words) [view diff] exact match in snippet view article find links to article

the body whorl. The aperture is ovate, subdilated, and smooth. The siphonal canal is short and feebly emarginated. The white columella is nearly straight

Murex somalicus (357 words) [view diff] exact match in snippet view article find links to article

the other 3 spines clearly increase in length as they get nearer the siphonal canal. This has 5 strong and long spines (the first is near the point of separation

Ancillista ngampitchae (1,110 words) [view diff] exact match in snippet view article find links to article

very glossy and shiny white. Ancillista ngampitchae sp.nov. has a wide siphonal canal and a very prominent siphonal fasciole. The base of the shell is solid

Xymenopsis subnodosus (108 words) [view diff] exact match in snippet view article find links to article

lirae (in the body whorl about24). The aperture is ovately oblong. The siphonal canal measures about the same length as the spire. The inner lip is thickened

Tritonoturris paucicostata (240 words) [view diff] exact match in snippet view article find links to article

raised striae. The outer lip is thin. The aperture is elongate-oval. The siphonal canal is long and slightly recurved. The colour of the shell is white, with