What is a genus of fossil trees principally found in the coal formation; -- so named from the seallike leaf scars in vertical rows on the surface called?
sigillaria — A genus of fossil trees principally found in the coal formation; -- so named from the seallike leaf scars in vertical rows on the surface. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00