FRAGMENTARY NON-VASCULAR PLANT MICRO-FOSSILS FROM THE LATE SILURIAN OF WALES

[11] EDWARDS D, 1970, Palaeontology (Oxford), V13, P451

[12] OLDEST RECORDED INSITU TRACHEIDS [J]. NATURE, 1976, 263 (5577) : 494 - 495

[13] Eisenack A., 1963, Palaeontologische Zeitschrift, V37, P122

[14] FRIEND PF, 1978, INT S DEVONIAN SYSTE

[15] SILURIAN TRILETE SPORES AND SPORE TETRADS FROM GOTLAND - THEIR IMPLICATIONS FOR LAND PLANT EVOLUTION [J]. SCIENCE, 1974, 185 (4147) : 260 - 263

[16] EARLY VASCULAR LAND PLANTS - PROOF AND CONJECTURE [J]. LETHAIA, 1977, 10 (02) : 145 - 174

[17] EARLY SILURIAN SPORE TETRADS FROM NEW-YORK - EARLIST NEW WORLD EVIDENCE FOR VASCULAR PLANTS [J]. SCIENCE, 1971, 173 (4000) : 918 - &

[18] GRAY J, 1978, GEOLOGY, V6, P489, DOI 10.1130/0091-7613(1978)6<489:TAOLPL>2.0.CO

[19] 2

[20] MICRO-FOSSILS AND EVIDENCE OF LAND PLANT EVOLUTION [J]. LETHAIA, 1980, 13 (02) : 174 - 174

[11] EDWARDS D, 1970, Palaeontology (Oxford), V13, P451

[12] OLDEST RECORDED INSITU TRACHEIDS [J]. NATURE, 1976, 263 (5577) : 494 - 495

[13] Eisenack A., 1963, Palaeontologische Zeitschrift, V37, P122

[14] FRIEND PF, 1978, INT S DEVONIAN SYSTE

[15] SILURIAN TRILETE SPORES AND SPORE TETRADS FROM GOTLAND - THEIR IMPLICATIONS FOR LAND PLANT EVOLUTION [J]. SCIENCE, 1974, 185 (4147) : 260 - 263

[16] EARLY VASCULAR LAND PLANTS - PROOF AND CONJECTURE [J]. LETHAIA, 1977, 10 (02) : 145 - 174

[17] EARLY SILURIAN SPORE TETRADS FROM NEW-YORK - EARLIST NEW WORLD EVIDENCE FOR VASCULAR PLANTS [J]. SCIENCE, 1971, 173 (4000) : 918 - &

[18] GRAY J, 1978, GEOLOGY, V6, P489, DOI 10.1130/0091-7613(1978)6<489:TAOLPL>2.0.CO

[19] 2

[20] MICRO-FOSSILS AND EVIDENCE OF LAND PLANT EVOLUTION [J]. LETHAIA, 1980, 13 (02) : 174 - 174