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Group content
Ernestiodendron
genus
Type species: Ernestiodendron filiciforme (Sternberg, 1825) Florin 1934
Spaenopteris artemisiaefolia
S. fronde pinnata, pinnis pinnatifidis, laciniis cuneatis lobatis, lobis ovatis seu lanceolatis integris trifidisque.
Eremopteris artemisiaefolia
morphospecies
Eremopteris artemisiæfolia (Sternb.) Sch.
fronde speciosa, dichotoma, bipinnata, pinnis erecto-patentibus longiusculis, inferioribus usque ad basin in aequaliter dichotomis, segmento inferiore superiore minore, profunde divisis, lobis subdivergentibus, elongato-cuneatis, plus minusve incisis, superioribus clavatolanceolatis, vel obovato-oblongis, nervis numerosis eodem modo quam pinnulæ et lobi divisis.
Traité de paléontologie végétale ou la flore du monde primitif dans ses rapports avec les formations géologiques et la flore du monde actuel: avec un atlas de 100 planches grand in-quatro lithographiées, Tome 1
Eremopteris
morphogenus
Type species: Eremopteris artemisiaefolia (Sternberg, 1825) Schimper, 1869
Entsovia lorata
species
Entsovia rarisulcata
species
Holotype: RAS-GIN 3742/3 (No. 3742/2 = counterimpression)
Entsovia rarisulcata S. Meyen , n. sp.
Description:
Entsovia S. Meyen, n. gen.
Linear or oblong leaves, with parallel venation, reaching the margins only at the tip. Stomata haplocheilic, absent on the top side of the leaf, gathered into dorsal sulci running in pairs between the veins on the underside.
New genera, Entsovia and Slivkovia, from permian depsits of the Russian platform and Cisuralia
Entsovia
morphogenus
type species: E. rarisulcata Meyen, 1969
Emporia lockardii
species
Holotype: OUPH M26.
Paratypes: OUPH M147 and M148
Emporia
genus
Type species: Emporia lockardii (Mapes & Rothwell, 1984) Mapes & Rothwell, 2003
Pseudovoltzia liebeana
species
Pseudovoltzia
genus
Type species: Pseudovoltzia liebeana (Geinitz) Florin, designated by who?
Pseudovoltzia liebeana (Geinitz) Florin
Scocchi
Pseudovoltzia sjerpii
species
Holotype: UU-LPP prep. 913 (= clement-Westerhof, 1987, pl. 10, fig. 2).
Pseudovoltzia sjerpii nov. sp.
Shoots bearing spirally arranged bifacial leaves, not or slightly
overlapping, arising at an angle of 45°-90° , straight; shape ovate or (narrow)
triangular, apex obtuse (especially in smaller leaves) to acute. Observed length
4-12 mm, width up to 4mm. Leave base cushions rhomboid, slightly decurrent and,
so far as observed, completely covering the axes.
Ulbe D
Majonica alpina
species
Holotype: UU-LPP prep. 755 (=Clement-Westerhof, 1987, pl. 1, fig. 1).
Majonica alpina nov. sp.
Shoots bearing spirally arranged bifacial leaves. Observed width of axes
up to 5 mm; axes together with leaves up to 30 mm. Leaves slightly overlapping,
straight. Different shapes and dimensions of leaves indicating heterophylly:
(1) Shape narrow-subtriangular with acute apex; observed dimensions up to 35 mm
long, 6 mm wide; leaf base rhomboid, slightly decurrent; this type of leaves
possibly originating from main axes; (2) Shape ovate, apex obtuse, observed
dimensions up to 10 mm long, 4 mm wide, margin sometimes sinuate; (3) Shape
Majonica
genus
Type species: Majonica alpina Clement-Westerhof, 1987
Majonica nov. gen.
Conifer. Shoots bearing spirally arranged bifacial leaves. Heterophylly
may occur. Shape of bracts rhomboid with acute apex. Ovuliferous dwarf-shoots
almost freely arising in bract-axils, bilaterally symmetrical, showing two
planes of symmetry, provided with a single or several sterile scales forming median
part and two laterally emerging recurved fertile scales forming the flanks.
Fertile scales bearing, basally on their abaxial surface, an inverted ovule.
Places of ovule attachment explicitly laterally situated. Fertile and sterile
dolomitia cittertiae
species
Holotype: UU-LPP prep. 752 (=Clement-Westerhof, 1987, pl. VII, fig. 3)
Val Gardena Formation
Formation
Dolomitia cittertiae nov. sp.
Shoots bearing spirally arranged bifacial leaves. Observed width of axes
up to 5 mm; axes together with leaves up to 30 mm. Leaves slightly overlapping,
straight. Different shapes and dimensions of leaves indicating heterophylly:
(1) Shape ovate; observed dimensions up to 8 mm long, 4 mm wide; (2) Shape oblong
to lanceolate; observed dimensions up to 20 mm long, 5 mm wide. Sofar observed
leaf bases of (1) and (2) decurrent and completely covering the axes and apices
obtuse.
Butterloch, Val Gardena
Dolomitia
genus
Type-species: Dolomitia cittertiae Clement-Westerhof, 1987
Dolomitia nov. gen.
Conifer. Shoots bearing spirally arranged bifacial leaves. Heterophylly may occur.
Ovuliferous dwarf-shoots more or less bilaterally symmetrical, provided with many sterile scales and three fertile scales of which two are laterally emerging and recurved and one median on the adaxial side, all showing basally on their abaxial surface a place of ovule attachment. Sterile and fertile scales moderately connate, basal part of dwarf-shoot stalklike and relatively short, indicating partial fusion with bract.
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Concholepis harrisii
species
Holotype: Specimens No . 3974/27-1 and counterpart 27A-1 at the Geological Institute of the Russian Academy of Sciences
Concholepis harrisii Meyen sp. nov.
Compound polysperms up to 12cm long. Bracts lanceolate, about 2 mm wide
and more than I cm long. Seed scales sessile, nearly circular or elongated,
about 10mm long. Marginal, abaxial and submarginal adaxial projections obtuse,
parallel sided, 2 mm long and 1-2 mm wide. Abaxial projections arranged in crossed
oblique rows. Seeds at least two per scale; megaspore membrane thick.
Vegetative shoots of the Geinitzia type.
Timanostrobus muravievii
morphospecies
Holotype: Specimen No. 4577/207-2 at Geological Institute, Russian Academy of Sciences
Timanostrobus muravievii Meyen sp. nov.
Compound polysperms up to 11 cm long and 4 cm wide (main axis 10-13 mm
wide) terminating leafy twigs of the Brachyphyllum or Pagiophyllum type.
Simple lateral polysperms obconical. Seeds winged, on short decurrent stalks. Megaspore
membrane thick, 0.8-2.5 mm long, 0.6-1.7 mm wide. Elongated microstrobili, 6-8
mm wide and 3-4 cm long, occupy apical position on repeatedly dichotomizing
leafy twig. Pollen 50-70 urn in diameter, round, often folded and then
boat-shaped. Quasisaccus with densely spaced minute lumina, gradually disappe
Timanostrobus
morphogenus
Type species: Timanostrobus muravievii Meyen, 1997
Timanostrobus Meyen, gen. nov.
Genus established for polysperms, although other organs are also known. Main axis of compound polysperm terminating a leafy twig
and bearing helically arranged simple lateral polysperms. Bracts have not been observed. Thick axis of lateral polysperm densely covered by numerous monosperms, replaced near apex by sterile scales. Leafy twigs of Brachyphyllum or Pagiophyllum type. Male strobili crown leaf twigs. Pollen with thin quasisaccus embracing inner body both equatorially and distally . Monolete proximal aperture may be present.
Kungurodendron sharovii Meyen sp . nov.
Branches of penultimate order up to 8 mm wide, their leaves 3.5 mm wide
and 12 mm long. Branches of last order up to 80 mm long, their leaves 1- 1.25
mm wide and 4-9 mm long, adpressed to axis or slightly diverging, lanceolate, with
apical mucro. Stomatal bands fused apically and grade upwards into papillose
band. Nonstomatal cells of stomatal band polygonal, variously orientated, more
or less papillose, among them rare papilligers and trichopodia occur. Cells of
axial and marginal stomata free bands as well as cells of lower epidermis
Kungurodendron
genus
Type species: Kungurondendron sharovii Meyen, 1997
Kungurondendron Meyen, gen. nov
Vegetative leafy shoots of penultimate order bear pinnately arranged branches of last order. Leaves lanceolate , mucronate, with two stomatal bands on upper surface and few stomata on lower surface near leaf base. Margin with cuticular microdenticulation or unicellular hairs. Main axis of compound polysperm terminating leafy twig and bearing helically arr anged bracts differing from foliage leaves in large size. Axillary complex dorsiventrally flattened\, its basal sterile scales arranged along lax spiral.
Dicranophyllum
genus
Cordaixylon
morphogenus
Cordaixylon
Cordaites
genus
Schizolepis braunii
rami primarii foliorum pulvinis remotis onusti, rami secundarii ab breviati alterni, folia acerosa linearia fasciculata integra uninervia, strobili cylindrici, squamae imbricatae cuneatae profunde bifidae longe unguiculatae, lobi integri lanceolati acuti, semina in quavis squama bina.
Concholepis
Axis of compound paniculate polysperm continuing from leafy branch. Seed scales and free subtending bracts arranged in a loose helix. Bracts simple and well developed. Seed scales isometric or elongated, with marginal, abaxial and submarginal adaxial projections, bearing more than one seed.
Concholepis
genus
Type species: Concholepis harrisii Meyen, 1997