@prefix rdf: . @prefix rdfs: . @prefix bibo: . @prefix cito: . @prefix dc: . @prefix dwc: . @prefix dwcFP: . @prefix fabio: . @prefix trt: . @prefix xlink: . cito:cites ; dc:creator "Galtier, Jean; Ronchi, Ausonio; Broutin, Jean" ; dc:title "Stewartiopteris Morgan & Delevoryas 1952" ; trt:augmentsTaxonConcept ; trt:publishedIn ; a trt:Treatment . bibo:endPage "69" ; bibo:issue "1" ; bibo:journal "Geodiversitas" ; bibo:pubDate "2011-03-31" ; bibo:startPage "43" ; bibo:volume "33" ; dc:creator "Galtier, Jean; Ronchi, Ausonio; Broutin, Jean" ; dc:date "2011" ; dc:title "Early Permian silicified floras from the Perdasdefogu Basin (SE Sardinia): comparison and bio-chronostratigraphic correlation with the floras of the Autun Basin (Massif central, France)" ; fabio:hasPart ; a fabio:JournalArticle . dwc:authorityName "Morgan & Delevoryas" ; dwc:authorityYear "1952" ; dwc:class "Polypodiopsida" ; dwc:family "Asterothecaceae" ; dwc:genus "Stewartiopteris" ; dwc:kingdom "Plantae" ; dwc:order "Marattiales" ; dwc:phylum "Tracheophyta" ; dwc:rank "genus" ; dwc:scientificNameAuthorship "Morgan & Delevoryas, 1952" ; trt:hasTaxonName ; a dwcFP:TaxonConcept . dwc:class "Polypodiopsida" ; dwc:family "Asterothecaceae" ; dwc:genus "Stewartiopteris" ; dwc:kingdom "Plantae" ; dwc:order "Marattiales" ; dwc:phylum "Tracheophyta" ; dwc:rank "genus" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:class "Polypodiopsida" ; dwc:family "Asterothecaceae" ; dwc:kingdom "Plantae" ; dwc:order "Marattiales" ; dwc:phylum "Tracheophyta" ; dwc:rank "family" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:class "Polypodiopsida" ; dwc:kingdom "Plantae" ; dwc:order "Marattiales" ; dwc:phylum "Tracheophyta" ; dwc:rank "order" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:class "Polypodiopsida" ; dwc:kingdom "Plantae" ; dwc:phylum "Tracheophyta" ; dwc:rank "class" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:kingdom "Plantae" ; dwc:phylum "Tracheophyta" ; dwc:rank "phylum" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:kingdom "Plantae" ; dwc:rank "kingdom" ; a dwcFP:TaxonName . dc:description "FIG. 7. — Silicified plants from the Permian of Sardinia:A, B, Psaronius sp.; A, part of the inner root mantle of a trunk,transverse section showing the small roots and interstitial tissue (SAR 13BB01); B, transverse section of one large free root of the outer zone; note the broad aerenchymatous cortex (SAR10A01); C, D, rachises of fronds borne by Psaronius; C, Stewartiopteris sp.1, rachis with a broad C-shaped xylem strand (arrows) and middle cortex with small lacunae (SAR59AT01); D, Stewartiopteris sp. 2., rachis with a different cortex bearing a probable third order one (R3) with fertile pinnule attached (SAR46B01); E, F, foliage of fronds borne by Psaronius; E, accumulation of fronds showing vegetative (above) and fertile pinnules (below) seen in transverse section (SAR40C1T01); F, part of a fertile pinna seen in paradermal section (SAR03A1T02). Scale bars: 2 mm." ; fabio:hasRepresentation ; a fabio:Figure .