A genus of small marine diatoms (single-celled algae) commonly found in ocean sediments.
Named after Biddulph, a 19th-century British naturalist and fossil collector, using the Latinized form with '-ia' suffix (standard for biological genus names).
Biddulphia diatoms are so tiny and abundant in ocean floor sediments that they're used by paleoceanographers to read Earth's climate history—a whole science depends on naming these invisible organisms after Victorian gentlemen collectors!
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