{"id":27,"date":"2020-12-23T16:02:02","date_gmt":"2020-12-23T21:02:02","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/?post_type=front-matter&#038;p=27"},"modified":"2021-01-04T15:48:52","modified_gmt":"2021-01-04T20:48:52","slug":"guide-to-fossil-classification","status":"publish","type":"front-matter","link":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/front-matter\/guide-to-fossil-classification\/","title":{"raw":"Guide to Fossil Classification","rendered":"Guide to Fossil Classification"},"content":{"raw":"Table 0.1 summarizes the kingdoms in the Linnaean classification system that we will follow for this course. Most of the groups we will be examining are part of Kingdom Animalia, but there are a few exceptions.\r\n\r\n&nbsp;\r\n\r\n[caption id=\"attachment_184\" align=\"alignnone\" width=\"1566\"]<img class=\"size-full wp-image-184\" src=\"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/T0-1a.png\" alt=\"Table 0.1. Kingdoms in the Linnaean Classification System\" width=\"1566\" height=\"848\" \/> <a href=\"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/T0-1a.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Click here<\/a> to see this table as a PDF file.[\/caption]\r\n\r\nThe laboratory exercises for this course will focus on the major marine invertebrate groups that evolved since the Precambrian, listed below.\r\n\r\nYou will be responsible for naming and describing the significance (geological or evolutionary) of each <strong>bolded <\/strong>group, and in some cases identifying them from fossilized remains (<strong><span style=\"text-decoration: underline\">also underlined<\/span><\/strong>). Other groups are listed below for which you will examine fossils, but are not expected to remember classification, or are provided for context only.\r\n\r\nThis can seem like a daunting amount of information to remember at first look, but you will have several weeks to become familiar with these organisms and their fossils. Starting with Lab 6 you will start working with the <a href=\"#flowchart\">Fossil Identification Flowchart<\/a> (Figure 0.1) that will help you. You will be able to use this flowchart in the lab final.\r\n<h1>Lab 6: Life in the Precambrian and the Cambrian Explosion<\/h1>\r\n<strong>Kingdom Monera (<\/strong>Archea and<strong> Bacteria) <\/strong>\u2013 <strong>e.g. stromatolites<\/strong>\r\n\r\n<strong>Kingdom Protista <\/strong>\u2013 <strong>single celled Eukaryotes<\/strong>\r\n\r\n<strong>Kingdom Animalia\r\n<\/strong>\r\n<p style=\"padding-left: 40px\">Phylum Annelidia \u2013 worms (and worm burrows)<\/p>\r\n<p style=\"padding-left: 40px\"><span style=\"text-decoration: underline\"><strong>Phylum Porifera\u00a0<\/strong><\/span><strong>\u2013<\/strong> <strong>sponges <\/strong>&amp;<strong> Phylum (?) Archeocyatha <\/strong>(may or may not be part of Porifera)<\/p>\r\n<p style=\"padding-left: 40px\"><strong>Phylum Cnidaria<\/strong>\u00a0<strong>\u2013 the jellies and sea anemones<\/strong><\/p>\r\n<p style=\"padding-left: 40px\">Phylum Arthropoda \u2013 invertebrate animals with jointed legs and segmented bodies<\/p>\r\n<p style=\"padding-left: 80px\">Class Insecta \u2013 insects<\/p>\r\n<p style=\"padding-left: 80px\">Class Crustacea \u2013 lobsters, crabs, barnacles<\/p>\r\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Trilobita<\/strong><\/span><strong> \u2013 <span style=\"text-decoration: underline\">trilobites<\/span> <\/strong><\/p>\r\n<p style=\"padding-left: 40px\">Phylum Hemichordata<\/p>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <span style=\"text-decoration: underline\"><strong>Class Graptolithina<\/strong><\/span> <strong>\u2013<\/strong> <span style=\"text-decoration: underline\"><strong>graptolites<\/strong><\/span>\r\n<h1>Lab 7: Fossils of the Paleozoic, and Paleoecology<\/h1>\r\n<strong>Kingdom Animalia<\/strong>\r\n<p style=\"padding-left: 40px\"><strong>Phylum Cnidaria<\/strong>\u00a0<strong>\u2013 the corals<\/strong><\/p>\r\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Tabulate<\/strong><\/span><\/p>\r\n<p style=\"padding-left: 80px\"><strong><span style=\"text-decoration: underline\">Rugose<\/span><\/strong><\/p>\r\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Scleractinian<\/strong><\/span><\/p>\r\n<p style=\"padding-left: 40px\"><span style=\"text-decoration: underline\"><strong>Phylum<\/strong><\/span><strong><span style=\"text-decoration: underline\"> Bryozoa<\/span> \u2013 bryozoans<\/strong><\/p>\r\n<p style=\"padding-left: 40px\"><span style=\"text-decoration: underline\"><strong>Phylum Brachiopoda<\/strong><\/span><strong> \u2013 brachiopods <\/strong><\/p>\r\n<p style=\"padding-left: 40px\"><strong>Phylum Mollusca<\/strong>\u00a0<strong>\u2013 molluscs<\/strong><\/p>\r\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Bivalvia<\/strong><\/span> <strong>\u2013 bivalves<\/strong> (clams, oysters, scallops)<\/p>\r\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Gastropoda<\/strong><\/span>\u00a0<strong>\u2013 snails,<\/strong> conchs<\/p>\r\n\r\n<h1>Lab 8: Fossils of the Paleozoic and Mesozoic<\/h1>\r\n<strong>Kingdom Protista\r\n<\/strong>\r\n\r\nNote: The Linnaean classifications for the microscopic organisms we will examine in Protista are too complex to be worth remembering. You will be expected to know the \u201cworking\u201d names of these groups, along with what they are, what their shells were made of, and whether they were plants or animals.\r\n<p style=\"padding-left: 40px\"><strong>Acritarchs<\/strong><\/p>\r\n<p style=\"padding-left: 40px\"><strong>Dinoflagellates<\/strong><\/p>\r\n<p style=\"padding-left: 40px\"><span style=\"text-decoration: underline\"><strong>Coccoliths<\/strong><\/span><\/p>\r\n<p style=\"padding-left: 40px\"><strong>Diatoms<\/strong><\/p>\r\n<p style=\"padding-left: 40px\"><strong>Radiolaria<\/strong><\/p>\r\n<p style=\"padding-left: 40px\"><span style=\"text-decoration: underline\"><strong>Foraminifera<\/strong><\/span><\/p>\r\n<strong>Kingdom Animalia<\/strong>\r\n<p style=\"padding-left: 40px\"><strong>Phylum Echinodermata<\/strong>\u00a0<strong>\u2013 echinoderms<\/strong><\/p>\r\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Echinoidea<\/strong><\/span>\u00a0<strong>\u2013 sea urchins, sand dollars, heart urchins <\/strong><\/p>\r\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Crinoidea<\/strong><\/span> <strong>\u2013 crinoids (\"sea lilies\")<\/strong><\/p>\r\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Blastoidea<\/strong><\/span> <strong>\u2013 blastoids (\"sea buds\")<\/strong><\/p>\r\n<p style=\"padding-left: 80px\">Class Asteroidea \u2013 starfish,<\/p>\r\n<p style=\"padding-left: 80px\">Class Ophiuroidea \u2013 brittle stars<\/p>\r\n<p style=\"padding-left: 40px\"><strong>Phylum Mollusca<\/strong> - molluscs<\/p>\r\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Cephalopoda<\/strong><\/span> - squids, nautiloids, ammonites, belemnites<\/p>\r\n<p style=\"padding-left: 80px\">Note: The sub-classes of Cephalopoda will be discussed using their \u201cworking names\u201d (e.g., goniatites) rather than the exact classification names (e.g., Goniatitina). The \u201coid\u201d names for sub-classes (nautiloids, ammonoids) and the \u201cites\u201d names for orders (ceratites, goniatites, ammonites) are the ones you are expected to remember.<\/p>\r\n<p style=\"padding-left: 120px\"><strong>Sub-Class <span style=\"text-decoration: underline\">Nautiloidea<\/span><\/strong> - <strong>nautiloids<\/strong><\/p>\r\n<p style=\"padding-left: 120px\"><strong>Sub-Class <span style=\"text-decoration: underline\">Ammonoidea<\/span><\/strong> - <strong>ammonoids<\/strong><\/p>\r\n<p style=\"padding-left: 160px\"><strong>Order <span style=\"text-decoration: underline\">Goniatitina<\/span> \u2013 goniatites<\/strong><\/p>\r\n<p style=\"padding-left: 160px\"><strong>Order <span style=\"text-decoration: underline\">Ceratitina<\/span> - ceratites<\/strong><\/p>\r\n<p style=\"padding-left: 160px\"><strong>Order <span style=\"text-decoration: underline\">Ammonotitina<\/span> - ammonites<\/strong><\/p>\r\n\r\n<h1><a id=\"flowchart\"><\/a>Fossil Identification Flowchart<\/h1>\r\n[caption id=\"attachment_192\" align=\"alignnone\" width=\"1440\"]<img class=\"size-full wp-image-192\" src=\"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/F0-1-Flowchart-2021.png\" alt=\"Fossil identification flowchart\" width=\"1440\" height=\"1634\" \/> <a href=\"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/F0-1-Flowchart-2021.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Click here<\/a> to see this diagram as a PDF file.[\/caption]","rendered":"<p>Table 0.1 summarizes the kingdoms in the Linnaean classification system that we will follow for this course. Most of the groups we will be examining are part of Kingdom Animalia, but there are a few exceptions.<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_184\" aria-describedby=\"caption-attachment-184\" style=\"width: 1566px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-184\" src=\"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/T0-1a.png\" alt=\"Table 0.1. Kingdoms in the Linnaean Classification System\" width=\"1566\" height=\"848\" srcset=\"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/T0-1a.png 1566w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/T0-1a-300x162.png 300w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/T0-1a-1024x555.png 1024w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/T0-1a-768x416.png 768w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/T0-1a-1536x832.png 1536w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/T0-1a-65x35.png 65w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/T0-1a-225x122.png 225w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/T0-1a-350x190.png 350w\" sizes=\"auto, (max-width: 1566px) 100vw, 1566px\" \/><figcaption id=\"caption-attachment-184\" class=\"wp-caption-text\"><a href=\"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/T0-1a.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Click here<\/a> to see this table as a PDF file.<\/figcaption><\/figure>\n<p>The laboratory exercises for this course will focus on the major marine invertebrate groups that evolved since the Precambrian, listed below.<\/p>\n<p>You will be responsible for naming and describing the significance (geological or evolutionary) of each <strong>bolded <\/strong>group, and in some cases identifying them from fossilized remains (<strong><span style=\"text-decoration: underline\">also underlined<\/span><\/strong>). Other groups are listed below for which you will examine fossils, but are not expected to remember classification, or are provided for context only.<\/p>\n<p>This can seem like a daunting amount of information to remember at first look, but you will have several weeks to become familiar with these organisms and their fossils. Starting with Lab 6 you will start working with the <a href=\"#flowchart\">Fossil Identification Flowchart<\/a> (Figure 0.1) that will help you. You will be able to use this flowchart in the lab final.<\/p>\n<h1>Lab 6: Life in the Precambrian and the Cambrian Explosion<\/h1>\n<p><strong>Kingdom Monera (<\/strong>Archea and<strong> Bacteria) <\/strong>\u2013 <strong>e.g. stromatolites<\/strong><\/p>\n<p><strong>Kingdom Protista <\/strong>\u2013 <strong>single celled Eukaryotes<\/strong><\/p>\n<p><strong>Kingdom Animalia<br \/>\n<\/strong><\/p>\n<p style=\"padding-left: 40px\">Phylum Annelidia \u2013 worms (and worm burrows)<\/p>\n<p style=\"padding-left: 40px\"><span style=\"text-decoration: underline\"><strong>Phylum Porifera\u00a0<\/strong><\/span><strong>\u2013<\/strong> <strong>sponges <\/strong>&amp;<strong> Phylum (?) Archeocyatha <\/strong>(may or may not be part of Porifera)<\/p>\n<p style=\"padding-left: 40px\"><strong>Phylum Cnidaria<\/strong>\u00a0<strong>\u2013 the jellies and sea anemones<\/strong><\/p>\n<p style=\"padding-left: 40px\">Phylum Arthropoda \u2013 invertebrate animals with jointed legs and segmented bodies<\/p>\n<p style=\"padding-left: 80px\">Class Insecta \u2013 insects<\/p>\n<p style=\"padding-left: 80px\">Class Crustacea \u2013 lobsters, crabs, barnacles<\/p>\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Trilobita<\/strong><\/span><strong> \u2013 <span style=\"text-decoration: underline\">trilobites<\/span> <\/strong><\/p>\n<p style=\"padding-left: 40px\">Phylum Hemichordata<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <span style=\"text-decoration: underline\"><strong>Class Graptolithina<\/strong><\/span> <strong>\u2013<\/strong> <span style=\"text-decoration: underline\"><strong>graptolites<\/strong><\/span><\/p>\n<h1>Lab 7: Fossils of the Paleozoic, and Paleoecology<\/h1>\n<p><strong>Kingdom Animalia<\/strong><\/p>\n<p style=\"padding-left: 40px\"><strong>Phylum Cnidaria<\/strong>\u00a0<strong>\u2013 the corals<\/strong><\/p>\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Tabulate<\/strong><\/span><\/p>\n<p style=\"padding-left: 80px\"><strong><span style=\"text-decoration: underline\">Rugose<\/span><\/strong><\/p>\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Scleractinian<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px\"><span style=\"text-decoration: underline\"><strong>Phylum<\/strong><\/span><strong><span style=\"text-decoration: underline\"> Bryozoa<\/span> \u2013 bryozoans<\/strong><\/p>\n<p style=\"padding-left: 40px\"><span style=\"text-decoration: underline\"><strong>Phylum Brachiopoda<\/strong><\/span><strong> \u2013 brachiopods <\/strong><\/p>\n<p style=\"padding-left: 40px\"><strong>Phylum Mollusca<\/strong>\u00a0<strong>\u2013 molluscs<\/strong><\/p>\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Bivalvia<\/strong><\/span> <strong>\u2013 bivalves<\/strong> (clams, oysters, scallops)<\/p>\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Gastropoda<\/strong><\/span>\u00a0<strong>\u2013 snails,<\/strong> conchs<\/p>\n<h1>Lab 8: Fossils of the Paleozoic and Mesozoic<\/h1>\n<p><strong>Kingdom Protista<br \/>\n<\/strong><\/p>\n<p>Note: The Linnaean classifications for the microscopic organisms we will examine in Protista are too complex to be worth remembering. You will be expected to know the \u201cworking\u201d names of these groups, along with what they are, what their shells were made of, and whether they were plants or animals.<\/p>\n<p style=\"padding-left: 40px\"><strong>Acritarchs<\/strong><\/p>\n<p style=\"padding-left: 40px\"><strong>Dinoflagellates<\/strong><\/p>\n<p style=\"padding-left: 40px\"><span style=\"text-decoration: underline\"><strong>Coccoliths<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px\"><strong>Diatoms<\/strong><\/p>\n<p style=\"padding-left: 40px\"><strong>Radiolaria<\/strong><\/p>\n<p style=\"padding-left: 40px\"><span style=\"text-decoration: underline\"><strong>Foraminifera<\/strong><\/span><\/p>\n<p><strong>Kingdom Animalia<\/strong><\/p>\n<p style=\"padding-left: 40px\"><strong>Phylum Echinodermata<\/strong>\u00a0<strong>\u2013 echinoderms<\/strong><\/p>\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Echinoidea<\/strong><\/span>\u00a0<strong>\u2013 sea urchins, sand dollars, heart urchins <\/strong><\/p>\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Crinoidea<\/strong><\/span> <strong>\u2013 crinoids (&#8220;sea lilies&#8221;)<\/strong><\/p>\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Blastoidea<\/strong><\/span> <strong>\u2013 blastoids (&#8220;sea buds&#8221;)<\/strong><\/p>\n<p style=\"padding-left: 80px\">Class Asteroidea \u2013 starfish,<\/p>\n<p style=\"padding-left: 80px\">Class Ophiuroidea \u2013 brittle stars<\/p>\n<p style=\"padding-left: 40px\"><strong>Phylum Mollusca<\/strong> &#8211; molluscs<\/p>\n<p style=\"padding-left: 80px\"><span style=\"text-decoration: underline\"><strong>Class Cephalopoda<\/strong><\/span> &#8211; squids, nautiloids, ammonites, belemnites<\/p>\n<p style=\"padding-left: 80px\">Note: The sub-classes of Cephalopoda will be discussed using their \u201cworking names\u201d (e.g., goniatites) rather than the exact classification names (e.g., Goniatitina). The \u201coid\u201d names for sub-classes (nautiloids, ammonoids) and the \u201cites\u201d names for orders (ceratites, goniatites, ammonites) are the ones you are expected to remember.<\/p>\n<p style=\"padding-left: 120px\"><strong>Sub-Class <span style=\"text-decoration: underline\">Nautiloidea<\/span><\/strong> &#8211; <strong>nautiloids<\/strong><\/p>\n<p style=\"padding-left: 120px\"><strong>Sub-Class <span style=\"text-decoration: underline\">Ammonoidea<\/span><\/strong> &#8211; <strong>ammonoids<\/strong><\/p>\n<p style=\"padding-left: 160px\"><strong>Order <span style=\"text-decoration: underline\">Goniatitina<\/span> \u2013 goniatites<\/strong><\/p>\n<p style=\"padding-left: 160px\"><strong>Order <span style=\"text-decoration: underline\">Ceratitina<\/span> &#8211; ceratites<\/strong><\/p>\n<p style=\"padding-left: 160px\"><strong>Order <span style=\"text-decoration: underline\">Ammonotitina<\/span> &#8211; ammonites<\/strong><\/p>\n<h1><a id=\"flowchart\"><\/a>Fossil Identification Flowchart<\/h1>\n<figure id=\"attachment_192\" aria-describedby=\"caption-attachment-192\" style=\"width: 1440px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-192\" src=\"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/F0-1-Flowchart-2021.png\" alt=\"Fossil identification flowchart\" width=\"1440\" height=\"1634\" srcset=\"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/F0-1-Flowchart-2021.png 1440w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/F0-1-Flowchart-2021-264x300.png 264w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/F0-1-Flowchart-2021-902x1024.png 902w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/F0-1-Flowchart-2021-768x871.png 768w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/F0-1-Flowchart-2021-1354x1536.png 1354w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/F0-1-Flowchart-2021-65x74.png 65w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/F0-1-Flowchart-2021-225x255.png 225w, https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/F0-1-Flowchart-2021-350x397.png 350w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" \/><figcaption id=\"caption-attachment-192\" class=\"wp-caption-text\"><a href=\"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-content\/uploads\/sites\/1224\/2020\/12\/F0-1-Flowchart-2021.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Click here<\/a> to see this diagram as a PDF file.<\/figcaption><\/figure>\n","protected":false},"author":1019,"menu_order":3,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"front-matter-type":[],"contributor":[],"license":[],"class_list":["post-27","front-matter","type-front-matter","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-json\/pressbooks\/v2\/front-matter\/27","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-json\/pressbooks\/v2\/front-matter"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-json\/wp\/v2\/types\/front-matter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-json\/wp\/v2\/users\/1019"}],"version-history":[{"count":8,"href":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-json\/pressbooks\/v2\/front-matter\/27\/revisions"}],"predecessor-version":[{"id":196,"href":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-json\/pressbooks\/v2\/front-matter\/27\/revisions\/196"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-json\/pressbooks\/v2\/front-matter\/27\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-json\/wp\/v2\/media?parent=27"}],"wp:term":[{"taxonomy":"front-matter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-json\/pressbooks\/v2\/front-matter-type?post=27"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-json\/wp\/v2\/contributor?post=27"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/earthhistorylab\/wp-json\/wp\/v2\/license?post=27"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}