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Classification<\/strong>
\nPhylum: Brachiopoda<\/a>
\nClass: Rhynchonellata<\/a>
\nOrder: Rhynchonellida<\/a>
\nFamily: Orthorhynchulidae (Cooper, 1956)
\nCincinnatian Genera: Orthorhynchula<\/a><\/em> <\/p>\n<\/div>\n<\/div>\n

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Open delthryium or incipient deltidal plates<\/li>\n
Reduced dental plates<\/li>\n
Ventral interarea present<\/li>\n
Hinge plates slope medially<\/li>\n
Cardinal process septiform, lobed, or branching<\/li>\n<\/ul>\n
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\nTreatise on Invertebrate Paleontology, Part H, Vol. 4 (2002)<\/em>:<\/p>\n
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Rhynchotrematoidea with delthyium open or with incipient deltidial plates; ventral interarea commonly present; dental plates reduced; hinge plates slope medially to join septalium that is sessile or supported on low median septum; cardinal process septiform, lobed, or branching.<\/li>\n<\/ul>\n
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Orthorhynchula<\/em><\/p>\n
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\n<\/a>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
Classification Phylum: Brachiopoda Class: Rhynchonellata Order: Rhynchonellida Family: Orthorhynchulidae (Cooper, 1956) Cincinnatian Genera: Orthorhynchula Geologic Range Late Ordovician – Middle Silurian Common Paleoecology Orthorhynchulidae is an extinct family of stationary epifaunal suspension feeders Description of the Family Open delthryium or …<\/p>\n
Orthorhynchulidae<\/span> Read More »<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":2620,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"full-width-page.php","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-4407","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P3T22h-195","_links":{"self":[{"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/pages\/4407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/comments?post=4407"}],"version-history":[{"count":6,"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/pages\/4407\/revisions"}],"predecessor-version":[{"id":6398,"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/pages\/4407\/revisions\/6398"}],"up":[{"embeddable":true,"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/pages\/2620"}],"wp:attachment":[{"href":"https:\/\/www.ordovicianatlas.org\/wp-json\/wp\/v2\/media?parent=4407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}