{"id":415,"date":"2013-10-15T22:56:13","date_gmt":"2013-10-15T22:56:13","guid":{"rendered":"http:\/\/www.ordovicianatlas.org\/?page_id=415"},"modified":"2016-08-26T13:48:02","modified_gmt":"2016-08-26T17:48:02","slug":"glyptorthidae","status":"publish","type":"page","link":"https:\/\/www.ordovicianatlas.org\/atlas\/brachiopoda\/rhynchonellata\/orthida\/glyptorthidae\/","title":{"rendered":"Glyptorthidae"},"content":{"rendered":"
Classification<\/strong><\/p>\n Phylum:\u00a0Brachiopoda<\/a> Geologic Range<\/strong> Common Paleoecology<\/strong> Characteristics of the Family<\/strong><\/p>\n [\/accordion] [\/accordions]<\/p>\n<\/div>\n
\nClass:\u00a0Rhynchonellata<\/a>
\nOrder:\u00a0Orthida<\/a>
\nFamily: Glyptorthidae (Schuchert & Cooper, 1931)
\nCincinnatian genera: Glyptorthis<\/a><\/em>
\n<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\nAlternate Spelling<\/strong>: Glyptorthinae
\n[\/accordion] [\/accordions]<\/div>\n
\nLower Ordovician (Arenig) \u2013 Middle Silurian (Wenlock)<\/p>\n
\nGlyptorthidae is an extinct family of stationary epifaunal suspension feeders<\/p>\n\n
\nTreatise on Invertebrate Paleontology, Part H, Vol. 3 (2000)<\/em>:<\/p>\n\n
Medium to large, subquadrate usually with obtuse cardinal extremities, costate to costellate with strong concentric ornamentation developed as lamellose frills or even drawn out as spines; delthyrium and notothyrium varying in width, exceptionally covered, short dorsal interarea variably orientated; dental plates normally present, recessive, ventral muscle scar variable, with relatively broad adductor track rarely shorter than diductor scars, pedicle callist usually well developed; brachiophores variably structured and disposed, well-developed notothyrial platform normally supporting simple cardinal process and invariably prolonged anteriorly as median ridge; quadripartite dorsal scars commonly with anterior pair larger than posterior pair; sporadically impressed mantle canals with saccate ventral and digitate dorsal systems.<\/ul>\n<\/li>\n<\/ul>\n