Turrid Shells the Largest family of shells

TURRID SHELLS

Turrid shells. family Turridae. Turrids are found in all seas around the world. They have been found in both deep water and intertidal zones. Most species have a tall spire and long siphonal canal. All Turrids have a long or short slit or notch at the upper end of the outer lip. Turrids vary in size from less than 1/4 inch to 5 inches. The operculum is leaf shaped. Turrids prey on marine worms.

Turris Shells (Indian Turrid)

Unedogemmula indica, common name the Indian turrid, is a species of sea snail, a marine gastropod mollusk in the family Turridae, the turrids.

The size of an adult shell ranges from 1.4 to 3.5 inches. The fusiform shell is less ridged and striated, featuring a lengthy siphonal canal. It has a subtle shoulder angle with the central ridge creating a carina. Compared to other species in this genus, the additional revolving ridges are smaller and more closely spaced. The shell's color is typically yellowish-brown, often with indistinct marbling or variegation. The fusiform shell measures 2 1/2 inches in length and 3/4 inch in diameter. It features sharply carinated whorls with the carina, a prominent knife-edge ridge, composed of a pair of narrow ribs. The entire surface is adorned with closely spaced, raised spiral lines, with two or three lines below the carina being more pronounced. The shell's color is whitish, dotted with numerous minute brown spots and typically a row of larger spots beneath the suture.

These marine species are found in the Mascarene Basin and off Madagascar; off Sri Lanka, the Philippines, in the South China Sea, off Australia and the Fiji Islands.

Scientific classification

Domain: Eukaryota

Kingdom: Animalia

Phylum: Mollusca

Class: Gastropoda

Subclass: Caenogastropoda

Order: Neogastropoda

Family: Turridae

Genus: Unedogemmula

Species: Unedogemmula indica

Binomial name: Unedogemmula indica

(Röding, 1798)

(REF: MolluscaBase eds. (2021). MolluscaBase. Unedogemmula indica (Röding, 1798). Accessed through: World Register of Marine Species)(REF: George Washington Tryon, Manual of Conchology VI)

U1-3

A Turris shell (Indian Turrid) measuring 3 to 3 1/2 inches...... .16

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