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Trivia (Sulcotrivia) testudinella
Taxonomy
Trivia testudinella was named by Wood (1842) [= 1843 Cypraea avellana Sow. — Nyst, p. 608, pi. 45, fig. 13.
= 1848 Cypraea avellana J. Sow. — Wood, p. 15, pi. 2, fig. 5.
= 1878 Cypraea avellana, J. Sow. — Nyst, pi. 5, fig. 1.
= 1881 Cypraea avellana, J. Sow. — Nyst, p. 58.
= 1888 Trivia avellana Sow. — E. Vincent, p. xciii.
= 1920 Trivia avellana (J. Sowerby) — Harmer, p. 509, pi. 45, fig. 10.].
It was recombined as Trivia (Sulcotrivia) testudinella by Marquet (1997).
It was recombined as Trivia (Sulcotrivia) testudinella by Marquet (1997).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1842 | Trivia testudinella Wood p. 543 |
| 1997 | Trivia (Sulcotrivia) testudinella Marquet p. 75 figs. Pl. 2, Fig. 3 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Trivia (Sulcotrivia) testudinella Wood 1842
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. Marquet 1997 | Moderately large, convolute shell with very narrow aperture. The spire is not visible in adult specimens. The ornament consists of about thirty-three concentric ribs on the dorsal and ventral sides of the shell. On the dorsal part, an axial depression is visible, and ribs, which often bifurcate, usually end at this depression. |