<?xml version='1.0' encoding='utf-8'?>
<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:contributor>T. W. Henry</dc:contributor>
  <dc:contributor>J.D. Treworgy</dc:contributor>
  <dc:creator>M. Gordon Jr.</dc:creator>
  <dc:date>1993</dc:date>
  <dc:description>&lt;div class="abstract-content"&gt;&lt;div class="abstract" data-abstract-type="normal"&gt;&lt;p&gt;Specimens of the Late Mississippian productoid genera&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;Inflatia&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;and&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;Keokukia&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;from northeastern Oklahoma and northwestern Arkansas, collected from the Boone and “Moorefield” Formations, Hindsville Limestone, and Fayetteville Shale, display morphologic similarities and differences that delineate species and determine their biostratigraphic ranges. Generic assignments are based primarily on internal characters. Systematic descriptions include seven species of&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;Inflatia&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;Muir-Wood and Cooper:&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;Productus inflatus&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;McChesney (the type species),&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;P. cherokeensis&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;Drake,&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;P. clydensis&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;Girty (figured herein for the first time and for which a lectotype is designated), four new species of&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;Inflatia&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;(&lt;span class="italic"&gt;I. cooperi, I. gracilis, I. pusilla&lt;/span&gt;, and&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;I.&lt;/span&gt;?&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;succincta&lt;/span&gt;), and one species of&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;Keokukia&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;(the type species for the genus,&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;K. sulcata&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;Carter). Also proposed and described is a new genus,&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;Adairia&lt;/span&gt;, with its type species&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;Productus&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;(&lt;span class="italic"&gt;Marginifera&lt;/span&gt;)&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;adairensis&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;Drake. All these species of&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;Inflatia, Keokukia&lt;/span&gt;, and&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="italic"&gt;Adairia&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;have biostratigraphically restricted ranges within the Meramecian and Chesterian sequence in the Ozark region.&lt;/p&gt;&lt;/div&gt;&lt;/div&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.1017/S0022336000062132</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>Paleontology Society</dc:publisher>
  <dc:title>Late Mississippian productoid brachiopods Inflatia, Keokukia, and Adairia, Ozark region of Oklahoma and Arkansas</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>