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Lyropecten pretiosus
Taxonomy
Pecten (Lyropecten) pretiosus was named by Hertlein (1925). Its type specimen is LSJU (no number), a shell, and it is a 3D body fossil.
It was recombined as Lyropecten pretiosus by Moore (1984) and Smith (1991).
It was recombined as Lyropecten pretiosus by Moore (1984) and Smith (1991).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Pecten (Lyropecten) pretiosus Hertlein figs. pl. 2, fig. 6; pl. 3, fig. 4 |
| 1927 | Pecten (Lyropecten) pretiosus Hertlein and Jordan p. 624 |
| 1932 | Pecten (Lyropecten) miguelensis submiguelensis Loel and Corey p. 200 figs. Pl. 29, fig. 1; pl. 30, fig. 1; pl. 31, figs. 1a, 1b, 1e. |
| 1984 | Lyropecten pretiosus Moore p. B51 figs. Plate 17, figures 5, 8 |
| 1984 | Lyropecten submiguelensis Moore p. B50 figs. Plate 16, figures 3, 5; plate 17, figure 1 |
| 1991 | Lyropecten pretiosus Smith pp. 64 - 65 figs. Plate 26, figures 1-9, 12-14; plate 37, figure 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.
†Lyropecten pretiosus Hertlein 1925
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†Pecten (Lyropecten) miguelensis submiguelensis Loel and Corey 1932
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. G. Hertlein 1925 | Shell small. Right valve moderately arched, and orna- mented by about 17 or 18 rounded, radiating ribs, separated by somewhat narrower interspaces; ribs and interspaces sculptured by fine, radiating fines and crossed by fine, concentric lines of growth ; anterior and posterior margins turning down abruptly, and smooth except for incremental striae; ventral margin rounded and turned down abruptly ; anterior ear with a distinct byssal notch, and a slight groove also present between ear and margin of shell ; about five radiating riblets crossed by incremental lines ornament the ear; posterior ear sculptured by about six or seven radiating riblets, crossed by incremental striae, the ear sloping downward and slightly posteriorly from the hinge line. Left valve ornamented by about 14 or 15 radiating ribs, the whole surface with sculpture similar to that of right valve ; ears sculptured much as on right valve. Altitude 27 mm. ; longitude 29 mm. ; diameter of right valve approximately 10 mm. ; apical angle of right valve approximately 87°. |