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Molecular clock analyses indicated that Dactyloradula diverged from other Radula species during the Mesozoic era, positioning it as an ancient genus-level lineage. The estimated age of divergence placed it as old as many flowering plant families, unusual for what was previously considered just one species within a larger genus.
Radula acutiloba Steph. Radula aguirrei R.M.Schust. ex M.A.M.Renner Radula allisonii Castle Radula amentulosa Mitt. Radula amoena Herzog Radula anceps Sande Lac. Radula aneurysmalis (Hook.f. & Taylor) Gottsche, Lindenb. & Nees Radula angulata Steph. Radula anisotoma M.A.M.Renner Radula appressa Mitt. Radula aquilegia (Hook.f. & Taylor) Gottsche ...
Solidago radula, the western rough goldenrod, [4] is a North American plant species in the family Asteraceae. It is found primarily in the southern Great Plains and the Mississippi Valley of the United States (from Texas to Illinois ), with isolated populations farther east in Kentucky , Georgia , and the Carolinas .
The radula (US: / ˈ r æ dʒ ʊ l ə /; pl.: radulae or radulas) [1] is an anatomical structure used by mollusks for feeding, sometimes compared to a tongue. [2] It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food enters the esophagus .
However, as a general guide, in one North American population, the radula of Cipangopaludina chinensis had seven small cusps on the marginal tooth and a large central cusp with four small cusps on either side. [5] Mystery snails (unlike apple snails) do not possess a siphon. They give live birth, and like all aquatic snails they only have one ...
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Coralliophila radula is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails. [1] References
Diloma radula is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. [2] Description.