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Sanguinolites drupa
Taxonomy
Sanguinolites drupa was named by Kříž (2008) [Sanguinolites? drupa]. Its type specimen is JK 11698, a shell (conjoined valves), and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Sanguinolites drupa Kříž pp. 272 – 274 fig. 12B–G |
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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.
†Sanguinolites drupa Kříž 2008
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Kříž 2008 | The Ludlow Sanguinolites? with outer surface sculpture composed of prominent numerous growth bands and furrows in combination with numerous fine radial costellae in the growth furrows.
Medium size shell (L = 12.5–44.0; H = 7.1–23.4; W = 6.3–19.8), transverselly subovate, equivalve, inequilateral, elongated (L/H = 1.56–1.92), and distinctly obese (H/W = 1.13–1.37). Umbones are prominent, in anterior position, closely incurved, prosogyrate. Umbonal ridge is indistinct, rounded, and became obsolete before reaching posterior extremity. Lunule and escutcheon are well defined, escutcheon bordered by narrow ridge. Dorsal margin is long, straight. Anterior part is relatively long, lobate, separated from the rest of the shell by wide, ventrally widening shallow radial sulcus. Ventral margin is long, slightly convex. Posterior margin rounded. Outer surface sculpture is composed of the growth wrinkles and prominent convex growth bands and furrows in combination with numerous, irregularly spaced, short radial riblets. Growth bands increase in number posteriorly of anterior part by intercalation or bifurcation, usually starting in the radial sulcus or posteriorly of it. Growth bands and furrows disappear dorsally of umbonal ridge. Inner surface sculpture is composed of the growth bands and furrows only. Muscle scars and hinge unknown. Shell thickness is 0.14–0.37 mm. |