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Argopecten subdolus
Taxonomy
Pecten (Plagioctenium) subdolus 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 Argopecten subdolus by Moore (1984).
It was recombined as Argopecten subdolus by Moore (1984).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Pecten (Plagioctenium) subdolus Hertlein figs. pl. 5, figs. 2, 4, 7 |
| 1926 | Pecten (Plagioctenium) subdolus Jordan and Hertlein p. 443 |
| 1984 | Argopecten subdolus Moore pp. B37 - B38 figs. Plate 10, figures 3, 4 |
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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.
†Argopecten subdolus Hertlein 1925
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. G. Hertlein 1925 | Shell of medium size, the valves moderately convex. Right valve ornamented by about 21 rounded, radiating ribs which become broader toward the ventral margin, the ribs separated by round-bottomed, narrower interspaces, the whole surface ornamented by very fine radial striations and by concentric lines of growth; anterior and posterior margins sculptured only by concentric incremental lines ; ventral margin rounded ; ears unequal, the anterior with a well defined byssal notch, and sculpture of about six radiating riblets crossed by incremental lines ; the posterior also sculptured by about six or seven slight radiating riblets crossed by lines of growth, a very slight notch present. Left valve more arched than right and somewhat one-sided in appearance, ornamented by about 21 rounded, radiating ribs separated by round-bottomed interspaces about as wide as the ribs, the whole surface finely longitudinally striate and crossed by concentric lines of growth ; ears slightly concave, the posterior sculptured by very slight radiating rib- lets and concentric lines of growth, the anterior with a rounded notch, the surface sculptured by a few very slight radiating riblets and by concentric growth lines, the ornamentation in- distinct on weathered specimens. Altitude 50 mm. ; longitude 50 mm. ; diameter approximately 17 mm. ; apical angle in each valve approximately 105°. |