ON THE ANATOMY AND MORPHOLOGY OF ARCHAEOPTERIS FRONDS. (ABSTRACT).BECK CB; CHASE NL.1970; AMER. J. BOT.; USA; 1970(7), VOL. 57, NUM. 0006-002Miscellaneous

DISTRIBUTION OF THE GLOSSOPTERIS-GANGAMOPTERIS FLORA.(ABSTRACT).SCHOPF JM.1968; GEOL. SOC. AMER., ABSTR. PROGRAMS; USA; 1968Miscellaneous

ON THE GENUS GANGAMOPTERIS MCCOY.PANT DD; SINGH KB.1968; PALAEONTOGRAPHICA B; DEU; 1968, VOL. 124, P. 83 A 101Miscellaneous

CYCLOSTIGMA FROM THE IRISH UPPER DEVONIAN. (ABSTRACT).CHALONER WG.1969; BIOL. J. LINN. SOC.; GBR; 1969(9), VOL. 1, NUM. 0003Miscellaneous

ON THE ANATOMY AND MORPHOLOGY OF LATERAL BRANCH SYSTEMS OF ARCHAEOPTERIS.BECK CB.1971; AMER. J. BOT.; USA; 1971, VOL. 58, NUM. 0008, P. 758 A 784Miscellaneous

A PROPOS DE QUELQUES ALETHOPTERIS.CORSIN P.1970; C.R. ACAD SCI., D; FRA; 1970(6), VOL. 270, NUM. 0025, P. 3021 A 3026Miscellaneous

A PROPOS DE QUELQUES ALETHOPTERIS.CORSIN P.1970; C.R. ACAD SCI., D; FRA; 1970(6), VOL. 270, NUM. 0025-00D , P. 3021 A 3026Miscellaneous

SUPPLEMENT A L'ETUDE DES NEUROPTERIDEES DU NORD DE LA FRANCE.FIGURATION COMPLEMENTAIRE DU LINOPTERIS REGNIEZI LAVEINE.LAVEINE JP.1967; SOC. GEOL. NORD, ANN.; FRA; 1967, VOL. 87, NUM. 0004, P. 211 A 213Miscellaneous

COMPARATIVE ANATOMY OF LEAF BASES FROM PSARONIUS STEMS WITH ISOLATED FROND AXES. (ABSTRACT).STIDD BM.1967; AMER. J. BOT.; USA; 1967, VOL. 54, NUM. 0005Miscellaneous

NOTE SUR QUELQUES VEGETAUX FOSSILES DU BASSIN HOUILLER DU NORD.CARPENTIER A.1909; ANN. SOC. GEOL. NORD- FR; FRA; 1909, VOL. 38, P. 356 A 357Miscellaneous

EPIDERMAL STRUCTURE OF SPHENOPTERIS LOBIFOLIA MORRIS. = STRUCTURE DE L'EPIDERME DE SPHENOPTERIS LOBIFOLIA MORRISRIGBY JF.sdIN: CONGR. ARGENT. PALEONTOL. BIOESTRATIGR. 1. ACTAS. I; TUCUMAN, ARGENT.; 1974; TUCUMAN UNIV. NAC.,, P. 439 A 444Miscellaneous

RHACOPHYTON CREPIN AUS DEM DEVON DES VOGTLANDES. = RHACOPHYTON C. DU DEVONIEN DU VOGTLAND.SCHNEIDER W.1971; FREIBERGER FORSCH.-H., C; DDR; 1971, NUM. 0267, P. 123 A 127Miscellaneous

THE FLORA OF THE BLACK SHALE AND COAL GROUP (K2) IN THE MID-ZAMBEZI BASIN.BOND G.1968; ARNOLDIA, RHOD; RHO; 1968(7), VOL. 3, NUM. 0038, P. 1 A 2Miscellaneous

THE STRUCTURE OF VERTEBRARIA INDICA ROYLE.PANT DD; SINGH RS.1968; PALAEONTOLOGY; GBR; 1968(12), VOL. 11, NUM. 005 , P. 643 A 653Miscellaneous

CYCLE PHYLLOTAXIQUE DE SPHENOPTERIS STRIATA GOTHAN.SCRIBAN R.1940; ANN. SOC. GEOL. NORD- FR; FRA; 1940,45, VOL. 65, P. 158 A 164Miscellaneous

DESCRIPTION D'UN RHODEA TROUVE DANS LE TERRAIN HOUILLER D'ANICHE.BROUSSIER F; BERTRAND P.1911; ANN. SOC. GEOL. NORD- FR; FRA; 1911, VOL. 40, P. 303 A 314Miscellaneous

NOTA SOBRE LA DISTRIBUCION DE LOS SPHENOPTERIS DEL CARBONIFERO SUPERIOR (SILESIENSE) EN LAS CUENCAS CARBONIFERAS ASTURIANAS. = NOTE SUR LA DISTRIBUTION DES SPHENOPTERIS DU CARBONIFERE SUPERIEUR (SILESIEN) DU BASSIN DE CHARBON DES ASTURIESALVAREZ RAMIS C.1974; BULL. SOC. BELGE GEOL.; BELG.; 1974, VOL. 83, NUM. 0002, P. 109 A 111Serial Issue

PARALLELISM IN PALAEOZOIC PLANTS BETWEEN GONDWANALAND AND CATHAYSIA LAND.ASAMA K.1969; I.U.G.S.SYMP.BUENOS.AIRES.1-15.OCT.1967-GONDWANA.STRATIGRAPHY-UNESCO.; 1969, NUM. 001 , P. 127 A 136Miscellaneous

MIDDLE JURASSIC PLANTS FROM THE STATE OF OAXACA,MEXICO.(ABSTRACT).DELEVORYAS T.1968; GEOL. SOC. AMER., ABSTR. PROGRAMS; USA; 1968(11)Miscellaneous

NOVAS FRUCTIFICACOES NA FLORA GLOSSOPTERIS DO GONDUANA INFERIOR DO BRASIL.MILLAN JH.1967; MINIST. MINAS ENERG., DIV. GEOL. MINERAL., NOTAS PRELIMINARES ESTUD.; BRA; 1967, NUM. 0140, P. 1 A 19Miscellaneous

CONTRIBUTION A L'ETUDE DES FORMES CARBONIFERES DU GENRE ALETHOPTERIS.RAGOT L.1955; PARIS-D.E.S.; 1955, P. 1 A 70Miscellaneous

SUR LA FLORE FOSSILE CARBONIFERIENNE DU BASSIN VENDEEN.PICQUENARD C.1923; BULL. SOC. GEOL. MINERAL. BRETAGNE; FRA; 1923, VOL. 4,3, P. 273 A 279Miscellaneous

THE ENIGMATIC GLOSSOPTERIS FLORA UND UNIFORMITARIANISMPLUMSTEAD EP.sdIN: IMPLICATIONS CONT. DRIFT EARTH SCI. PROC. NATO ADV. STUDY INST.; NEWCASTLE UPON TYNE; 1972; LONDON ACAD. PRESS ,1973, VOL. 1, P. 413 A 424Miscellaneous

DERIVE DES CONTINENTS A LA LUMIERE DES DONNEES PALEOBOTANIQUES.VAKHRAMEEV VA.1971; IN : PROBLEMY TEORETICHESKOJ I REGIONAL'NOJ TEKTONIKI.; 1971, P. 254 A 261Miscellaneous

A PSARONIUS WITH WHORLED LEAVES FROM THE PENNSYLVANIAN OF IOWA. (ABSTRACT).MILLAY MA; EGGERT DA.1970; AMER. J. BOT.; USA; 1970(7), VOL. 57, NUM. 0006-002Miscellaneous