Keywords: The Quarterly journal of the Geological Society of London (12645677775).jpg 90 <br> PROCEEDINGS OF THE GEOLOGICAL SOCIETY <br> other genera it is perhaps yet to be discovered Again Geratiocaris <br> together with its moveable rostrum has a bivalved shell yet habitu- <br> ally keeps its valves half closed as I learn from perfect specimens <br> Figs 3-12 a to i ” Geological distribution of Phyllopoda <br> Fig 3 Hymenocaris Salter Lingula-flags or Primordial zone <br> 4 5 Peltocaris Salter Lower Silurian Llandeilo or Caradoc <br> 6 Ccratiocaris M'Coy Upper Silurian <br> 7 Dictyocaris Salter Upper Silurian and Lowest Devonian <br> 8 Dithyrocaris Scouler 1 ž <br> 9 Argas Scouler J Carboniferous <br> 10 11 Apus Trias to Recent <br> 12 Nebalia Recent <br> Figs 3-12 are somewhat reduced ; fig 7 is less than one-tenth the natural <br> size <br> a-d Estheria Strauss Natural size <br> e-i Leperditia Beyrichia c Natural size 35328049 109632 51125 Page 90 Text v 19 http //www biodiversitylibrary org/page/35328049 1863 Geological Society of London NameFound Apus NameConfirmed Apus EOLID 18078 NameBankID 241117 NameFound Argas NameConfirmed Argas EOLID 13129708 NameBankID 4078361 NameFound Beyrichia NameConfirmed Beyrichia EOLID 13110271 NameBankID 3435888 NameFound Dictyocaris NameConfirmed Dictyocaris NameBankID 4142423 NameFound Dithyrocaris NameConfirmed Dithyrocaris NameBankID 4147125 NameFound Estheria NameConfirmed Estheria EOLID 78643 NameBankID 4162149 NameFound Hymenocaris NameConfirmed Hymenocaris EOLID 4291655 NameBankID 4201214 NameFound Leperditia NameConfirmed Leperditia EOLID 13110263 NameBankID 4217023 NameFound Nebalia NameConfirmed Nebalia EOLID 14267 NameBankID 522277 NameFound Peltocaris NameConfirmed Peltocaris NameBankID 4287426 NameFound Phyllopoda NameConfirmed Phyllopoda EOLID 2599205 NameBankID 2720040 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 19 1863 Geology Periodicals Smithsonian Libraries bhl page 35328049 dc identifier http //biodiversitylibrary org/page/35328049 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-20 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12645677775 2015-08-27 10 59 50 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1863 Photos uploaded from Flickr by Fæ using a script |