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Famennian adj.
earth.sc.	法门〔阶〕 (D₃, 欧洲)
geol.	D3法门阶
tech.	法门阶【地】
Famennian stage adj.
gen.	法门阶晚泥盆世晚期
English thesaurus
Famennian n
geol.	Fam (MichaelBurov); Famennian Age (MichaelBurov); Famennian time (MichaelBurov); Famennian Stage (MichaelBurov); Famennian sequence (MichaelBurov)
Famennian form.
geol.	Famenian (Famennian – 96,7% hits; Famenian – 0,2% hits MichaelBurov); Fammenian (Famennian – 96,7% hits; Fammenian – 3% hits MichaelBurov); Fammennian (Famennian – 96,7% hits; Fammennian – >0% hits MichaelBurov)

Famennian: 2 phrases in 2 subjects

Earth sciences	1
Oil / petroleum	1