BISCALITHECA, A NEW GENUS OF PENNSYLVANIAN COENOPTERIDS, BASED ON ITS FRUCTIFICATION

[1] PELTASTROBUS-REEDAE - A NEW SPHENOPSID CONE FROM THE PENNSYLVANIAN OF INDIANA [J]. BOTANICAL GAZETTE, 1950, 112 (02): : 174 - 182

[2] BERTRAND P, 1911, MEM SOC HIST NAT AUT, V25, P1

[3] Bower FO., 1935, PRIMITIVE LAND PLANT

[4] Bower FO, 1923, FERNS FILICALES, V1

[5] DARRAH WILLIAM C., 1939, BOT MUS LEAFLETS HARVARD UNIV, V7, P157

[6] OBSERVATIONS ON PETIOLAR BRANCHING AND FOLIAGE OF AN AMERICAN BOTRYOPTERIS [J]. AMERICAN MIDLAND NATURALIST, 1954, 52 (02) : 374 - 387

[7] EAMES A. J., 1936, MORPHOLOGY VASCULAR

[8] Florin R., 1937, SVENSK BOT TIDSKR, V31, P305

[9] GRANDEURY FC, 1877, ACAD SCI I FRANCE ME, V24

[10] KOSANKE RM, 1950, 74 ILL GEOL SURV B

[1] PELTASTROBUS-REEDAE - A NEW SPHENOPSID CONE FROM THE PENNSYLVANIAN OF INDIANA [J]. BOTANICAL GAZETTE, 1950, 112 (02): : 174 - 182

[2] BERTRAND P, 1911, MEM SOC HIST NAT AUT, V25, P1

[3] Bower FO., 1935, PRIMITIVE LAND PLANT

[4] Bower FO, 1923, FERNS FILICALES, V1

[5] DARRAH WILLIAM C., 1939, BOT MUS LEAFLETS HARVARD UNIV, V7, P157

[6] OBSERVATIONS ON PETIOLAR BRANCHING AND FOLIAGE OF AN AMERICAN BOTRYOPTERIS [J]. AMERICAN MIDLAND NATURALIST, 1954, 52 (02) : 374 - 387

[7] EAMES A. J., 1936, MORPHOLOGY VASCULAR

[8] Florin R., 1937, SVENSK BOT TIDSKR, V31, P305

[9] GRANDEURY FC, 1877, ACAD SCI I FRANCE ME, V24

[10] KOSANKE RM, 1950, 74 ILL GEOL SURV B