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верхний лланвирнский | |
stratigr. | Upper Llanvirn; Upper Llanvirnian |
ярус | |
gen. | circle; layer; horizon; storey; story; assise |
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Upper Llanvirn (MichaelBurov); Upper Llanvirnian (MichaelBurov) |
верхний лланвирнский ярус : 13 phrases in 3 subjects |
Geochronology | 1 |
Geology | 1 |
Stratigraphy | 11 |