2011
DOI: 10.2478/v10183-011-0007-7
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Spesia antarctica gen. et sp. nov. - a new fertile fern spike from the Jurassic of Antarctica

Abstract: Abstract:The well−known Jurassic macrofloras from Hope Bay at the northernmost tip of the Antarctic Peninsula continue to yield new taxa. This paper reports on a new type of plant re− productive organ. The affinity of this organ remains unclear; it may be affiliated with the Schizaceae or Osmundaceae, but similarities to pollen organs of the Podocarpaceae are also discussed. Because the fossils differ from hitherto known Mesozoic fertile fronds and conifer pollen organs in some details, the new taxon, Spesia a… Show more

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Cited by 4 publications
(2 citation statements)
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“…Spesia antarctica oCiePa et barbaCka, 2011 from the Middle Jurassic of Hope Bay, Antarctica, is another fern that is remarkably similar (Ociepa and Barbacka 2011). The known fertile frond fragments consist of ca.…”
Section: Attribution To the Schizaeaceae And Comparison With Other Comentioning
confidence: 99%
“…Spesia antarctica oCiePa et barbaCka, 2011 from the Middle Jurassic of Hope Bay, Antarctica, is another fern that is remarkably similar (Ociepa and Barbacka 2011). The known fertile frond fragments consist of ca.…”
Section: Attribution To the Schizaeaceae And Comparison With Other Comentioning
confidence: 99%
“…), sphenophytes (Equisetum spp. ), ferns (e.g., Cladophlebis, Coniopteris, Dictyophyllum, Goeppertella, Hausmannia, Matonidium, Spesia, Sphenopteris, Todites), seed ferns (e.g., Archangelskya, Dicroidium, Komlopteris, Pachypteris), Caytoniales (Caytonanthus), cycadophyte foliage (e.g., Ctenis, Otozamites, Pseudoctenis, Taeniopteris, Weltrichia, Williamsonia, Zamites), conifers (e.g., Araucarites, Brachyphyllum, Elatocladus, Pagiophyllum) (Gee, 1987(Gee, , 1989Rees and Cleal, 2004, and references therein;Ociepa, 2007;Ociepa and Barbacka, 2011).…”
Section: Introductionmentioning
confidence: 99%