{"id":599,"date":"2015-08-16T16:42:21","date_gmt":"2015-08-16T16:42:21","guid":{"rendered":"http:\/\/sites.msudenver.edu\/haysc\/?page_id=599"},"modified":"2015-08-22T01:27:47","modified_gmt":"2015-08-22T01:27:47","slug":"vertebrate-geological-periods-bio-3220","status":"publish","type":"page","link":"https:\/\/sites.msudenver.edu\/haysc\/biology-courses\/comparative-vertebrate-anatomy-bio-3220\/vertebrate-geological-periods-bio-3220\/","title":{"rendered":"Vertebrate Geological Periods, BIO 3220"},"content":{"rendered":"

GEOLOGICAL PERIODS – # are millions of years ago<\/h4>\n
\n

CENOZOIC ERA<\/strong><\/h3>\n

(age of mammals; 65 million yrs. duration)<\/strong><\/p>\n

Quaternary Period 2-4<\/strong><\/p>\n

\u00a0Holocene Epoch<\/p>\n

modern species\/subspecies<\/p>\n

\u00a0Pleistocene Epoch<\/p>\n

modern mammal species<\/p>\n

Tertiary Period 65<\/strong><\/p>\n

Pliocene Epoch<\/p>\n

appearance modern mammal genera<\/p>\n

\u00a0Miocene Epoch<\/p>\n

rise of mammalian subfamilies<\/p>\n

\u00a0Oligocene Epoch<\/p>\n

rise of modern mammalian families<\/p>\n

\u00a0Eocene Epoch<\/p>\n

rise of modern orders of mammals<\/p>\n

\u00a0Paleocene Epoch<\/p>\n

dominance of archaic mammals<\/p>\n

\n

MESOZOIC ERA<\/strong><\/h3>\n

(age of reptiles; 185 million yrs. duration)<\/strong><\/p>\n

Cretaceous Period 145<\/strong><\/p>\n

extinction large reptiles<\/p>\n

Jurassic Period 210<\/strong><\/p>\n

reptiles dominant; first birds; arc. mammals<\/p>\n

Triassic Period 245<\/strong><\/p>\n

first dinosaurs, turtles, mammals<\/p>\n

<\/h3>\n
\n

<\/h3>\n

<\/h3>\n

PALEOZOIC ERA<\/strong><\/h3>\n

(350 million yrs. duration)<\/strong><\/p>\n

Permian Period 290<\/strong><\/p>\n

primitive reptiles, decline of early amphibians<\/p>\n

Carboniferous Period 360<\/strong><\/p>\n

amphibians dominant; first reptiles<\/p>\n

Devonian Period 410<\/strong><\/p>\n

age of fishes; first amphibians<\/p>\n

Silurian Period 440<\/strong><\/p>\n

archaic fishes<\/p>\n

Ordovician Period 500<\/strong><\/p>\n

appearance of vertebrates (ostracoderms)<\/p>\n

Cambrian Period 600<\/strong><\/p>\n

appearance of all major invertebrate phyla<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

GEOLOGICAL PERIODS – # are millions of years ago CENOZOIC ERA (age of mammals; 65 million yrs. duration) Quaternary Period 2-4 \u00a0Holocene Epoch modern species\/subspecies \u00a0Pleistocene Epoch modern mammal species Tertiary Period 65 Pliocene Epoch appearance modern mammal genera \u00a0Miocene … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":270,"featured_media":0,"parent":580,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"class_list":["post-599","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sites.msudenver.edu\/haysc\/wp-json\/wp\/v2\/pages\/599","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.msudenver.edu\/haysc\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.msudenver.edu\/haysc\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.msudenver.edu\/haysc\/wp-json\/wp\/v2\/users\/270"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.msudenver.edu\/haysc\/wp-json\/wp\/v2\/comments?post=599"}],"version-history":[{"count":0,"href":"https:\/\/sites.msudenver.edu\/haysc\/wp-json\/wp\/v2\/pages\/599\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/sites.msudenver.edu\/haysc\/wp-json\/wp\/v2\/pages\/580"}],"wp:attachment":[{"href":"https:\/\/sites.msudenver.edu\/haysc\/wp-json\/wp\/v2\/media?parent=599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}