1ST DEVONIAN PLATYSPERMIC SEED AND ITS IMPLICATIONS IN GYMNOSPERM EVOLUTION

[1] ANANIEV AR, 1963, OSNOVY PALEONTOL, V15, P315

[2] Andrews H.N, 1961, STUDIES PALEOBOTANY, P487

[3] A revision of the seed impressions of the British coal measures. [J]. ANNALS OF BOTANY, 1914, 28 (109) : 81 - U19

[4] ARBER EAN, 1915, P CAMBRIDGE PHILOS S, V18, P89

[5] Arnold C.A., 1938, BOT REV, V4, P205, DOI 10.1007/BF02871648

[6] CHALONER W G, 1968, Journal of the Linnean Society of London Botany, V61, P25

[7] FORBES E, 1853, BRIT ASS REP LONDON, V43

[8] Gayer RA, 1973, GEOL J, V8, P345

[9] Johnson T., 1917, SCI P R DUBLIN SOC, V15, P245

[10] Long AG, 1960, T ROY SOC EDINBURGH, V64, P261

[1] ANANIEV AR, 1963, OSNOVY PALEONTOL, V15, P315

[2] Andrews H.N, 1961, STUDIES PALEOBOTANY, P487

[3] A revision of the seed impressions of the British coal measures. [J]. ANNALS OF BOTANY, 1914, 28 (109) : 81 - U19

[4] ARBER EAN, 1915, P CAMBRIDGE PHILOS S, V18, P89

[5] Arnold C.A., 1938, BOT REV, V4, P205, DOI 10.1007/BF02871648

[6] CHALONER W G, 1968, Journal of the Linnean Society of London Botany, V61, P25

[7] FORBES E, 1853, BRIT ASS REP LONDON, V43

[8] Gayer RA, 1973, GEOL J, V8, P345

[9] Johnson T., 1917, SCI P R DUBLIN SOC, V15, P245

[10] Long AG, 1960, T ROY SOC EDINBURGH, V64, P261