@prefix rdf: . @prefix rdfs: . @prefix bibo: . @prefix cito: . @prefix dc: . @prefix dwc: . @prefix dwcFP: . @prefix fabio: . @prefix trt: . @prefix xlink: . cito:cites , , , , ; dc:creator "Véron, Benoît; Rougier, Etienne; Taylor, Anthony; Goux, Didier" ; dc:title "Exanthemachrysis fresneliae Veron 2023, sp. nov." ; dwc:basisOfRecord ; trt:definesTaxonConcept ; trt:publishedIn ; a trt:Treatment . bibo:endPage "47" ; bibo:journal "European Journal of Taxonomy" ; bibo:pubDate "2023-03-08" ; bibo:startPage "21" ; bibo:volume "861" ; dc:creator "Véron, Benoît; Rougier, Etienne; Taylor, Anthony; Goux, Didier" ; dc:date "2023" ; dc:title "New species of Pavlovophyceae (Haptophyta) and revision of the genera Exanthemachrysis, Rebecca and Pavlova" ; fabio:hasPart , , , , ; a fabio:JournalArticle . dwc:authority "Veron" ; dwc:authorityName "Veron" ; dwc:authorityYear "2023" ; dwc:class "Pavlovophyceae" ; dwc:family "Pavlovaceae" ; dwc:genus "Exanthemachrysis" ; dwc:kingdom "Chromista" ; dwc:order "Pavlovales" ; dwc:phylum "Haptophyta" ; dwc:rank "species" ; dwc:scientificNameAuthorship "Veron, 2023" ; dwc:species "fresneliae" ; trt:hasTaxonName ; a dwcFP:TaxonConcept . dwc:class "Pavlovophyceae" ; dwc:family "Pavlovaceae" ; dwc:genus "Exanthemachrysis" ; dwc:kingdom "Chromista" ; dwc:order "Pavlovales" ; dwc:phylum "Haptophyta" ; dwc:rank "species" ; dwc:species "fresneliae" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:class "Pavlovophyceae" ; dwc:family "Pavlovaceae" ; dwc:genus "Exanthemachrysis" ; dwc:kingdom "Chromista" ; dwc:order "Pavlovales" ; dwc:phylum "Haptophyta" ; dwc:rank "genus" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:class "Pavlovophyceae" ; dwc:family "Pavlovaceae" ; dwc:kingdom "Chromista" ; dwc:order "Pavlovales" ; dwc:phylum "Haptophyta" ; dwc:rank "family" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:class "Pavlovophyceae" ; dwc:kingdom "Chromista" ; dwc:order "Pavlovales" ; dwc:phylum "Haptophyta" ; dwc:rank "order" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:class "Pavlovophyceae" ; dwc:kingdom "Chromista" ; dwc:phylum "Haptophyta" ; dwc:rank "class" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:kingdom "Chromista" ; dwc:phylum "Haptophyta" ; dwc:rank "phylum" ; trt:hasParentName ; a dwcFP:TaxonName . dwc:kingdom "Chromista" ; dwc:rank "kingdom" ; a dwcFP:TaxonName . dc:description "Fig. 1. Exanthemachrysis fresneliae Véron sp. nov. (AC35), palmelloid and swimming cells, LM images. A. Benthic colonies of non-motile sister cells embedded in non-stratified M (black arrows) with storage granules of P (white arrows). B. Benthic non-motile cell embedded in non-stratified M (black arrow) with storage granule of P (white arrow), bilobed C and anterior bulging PY. C. Apical view (bottom right) and side view (up left) of 2 swimming cells with conspicuous S-shaped AF (black arrows) emerging almost mid-ventrally from a pit (white arrows). D. Side view of motile cells with bulging PY (black arrows). Scale bars: A = 5 µm; B = 1 µm; C–D = 2 µm." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Fig. 2. Exanthemachrysis fresneliae Véron sp. nov. (AC35), palmelloid sister cells, TEM image (Fix 1). Benthic colony of non-motile sister cells embedded in a common non-stratified M envelope (white stars); parietal C with helicoidal arrangement of the TH lamellae and a bulging PY near the F bases perpendicular to each other (white arrows), with the basal bodies connecting to the microtubular root (black arrows) running to the central area of the cell. Secretory vesicles from G (black star) ready to discharge content near the pit where the F emerge. Scale bar: 0.5 µm." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Fig. 3. Exanthemachrysis fresneliae Véron sp. nov. (AC35), palmelloid cell, TEM image (Fix 1). Nonmotile benthic cell embedded in non-stratified M showing single parietal C with a bulging PY at its end. Row of few osmiophilic vesicles forming an E in C stroma located at the junction of TH and PY. Both F bases (white arrows) positioned in continuity with a notch in the nucleus facing the sub-ventral pit (black arrow). Scale bar:1 µm." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Fig. 5. Exanthemachrysis fresneliae Véron sp. nov. (AC35), flagella, plasma membrane and knob-scales, TEM images (Fix 1). A. Longitudinal section of the pit area with 2 emerging F (white arrows = central microtubules) surrounded by a sheath of reticulum enclosing their bases. Plasma membrane (black arrow), underlined with endoplasmic reticulum (white stars), covered with KS. B. Details of the cell surface in the region of F emergence. Oblique sections of F bases with central microtubules (white arrow). Stalked ovoid KS partially covering the F bases and the plasma membrane. C. G with cisternae and secretory vesicles containing KS (white arrows). Scale bars: A–B = 50 nm; C = 0.5 µm." ; fabio:hasRepresentation ; a fabio:Figure . dc:description "Fig. 4. Exanthemachrysis fresneliae Véron sp. nov. (AC35), flagellar apparatus of motile cells. A. SEM image of side view of swimming cell with a 3–4 µm long conspicuous sinusoidal S-shaped and slightly tapering AF emerging almost mid-ventrally and thickly covered by KS (white arrows). B–C. Negative staining image. B. Detail of the 3 appendices, the AF, the H and the PF composed of 2 parts of sub-equal lengths with a distal attenuation. C. Detail of the AF of a cell bearing ovoid KS (black arrows) down to the base, in regular helicoidal rows. Scale bars: A–B = 1 µm; C = 0.1 µm." ; fabio:hasRepresentation ; a fabio:Figure . dwc:locality "Chausey Islands" ; dwc:recordedBy "Jacqueline Fresnel" ; dwc:typeStatus "holotype" ; dwc:verbatimLatitude "48.866665" ; dwc:verbatimLongitude "-1.8166666" ; trt:gbifOccurrenceId "4052628301" ; trt:httpUri ; a dwc:MaterialCitation .