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Taxonomy
Meretrix lens was named by Gabb (1864).
It was recombined as Cyprimeria lens by White (1889); it was recombined as Flaventia lens by Stewart (1930) and Popenoe (1937); it was recombined as Paraesa lens by Saul (1993).
It was recombined as Cyprimeria lens by White (1889); it was recombined as Flaventia lens by Stewart (1930) and Popenoe (1937); it was recombined as Paraesa lens by Saul (1993).
Synonyms
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Synonymy list
Year | Name and author |
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1864 | Meretrix lens Gabb p. 164 figs. pl. 23, fig. 143 |
1879 | Meretrix lens Whiteaves p. 152 figs. pl. 17, figs. 15, 15a |
1889 | Cyprimeria lens White p. 472 |
1917 | Macrocallista cordata Waring p. 62 figs. Pl. 8, Fig. 1 |
1930 | Flaventia lens Stewart p. 247 figs. Pl. 4, fig. 6 |
1937 | Flaventia lens Popenoe p. 392 figs. Plate 48, figure 4 |
1958 | Flaventia hornbyensis Anderson p. 134 |
1993 | Paraesa lens Saul p. 975 |
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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.
†Paraesa lens Gabb 1864
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Invalid names: Flaventia hornbyensis Anderson 1958 [synonym], Macrocallista cordata Waring 1917 [synonym]
Diagnosis
Reference | Diagnosis | |
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W. P. Popenoe 1937 | The following notes are offered on the hinge-structure of this species: Right anterior and median cardinals set close together, diverging ventrally, directed obliquely anteriorly; right posterior cardinals long, heavy, deeply bifid, the anterior element being short; left anterior and median cardinals short and strong, close together, diverging ventrally at a large angle; posterior cardinal long, thin, situated below the nymph; ligament external, moderately long, submerged; lunule and escutcheon undefined; pallial sinus triangular, ascending; lateral teeth absent. |