{"id":48263,"date":"2025-05-26T17:10:38","date_gmt":"2025-05-26T11:40:38","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=48263"},"modified":"2025-05-29T16:56:07","modified_gmt":"2025-05-29T11:26:07","slug":"mosura-fentoni","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/mosura-fentoni\/","title":{"rendered":"Mosura fentoni"},"content":{"rendered":"<h2>Mosura fentoni Latest News<\/h2>\n<p>Scientists recently identified a new extinct species, Mosura fentoni, an early marine predator from around 506 million years ago during the Cambrian period.<\/p>\n<h2>About Mosura fentoni<\/h2>\n<ul>\n<li><i><strong>Mosura fentoni<\/strong><\/i>\u00a0is a newly discovered\u00a0<strong>Cambrian marine organism<\/strong>\u00a0found in the\u00a0<strong>Burgess Shale<\/strong>, a globally significant fossil site in\u00a0<strong>British Columbia, Canada<\/strong>.<\/li>\n<li>It belongs to the group\u00a0<strong>Radiodonta<\/strong>, which are\u00a0<strong>extinct stem-group arthropods<\/strong>, distant relatives of\u00a0<strong>modern insects, spiders, and crustaceans<\/strong>.<\/li>\n<li>Despite being a\u00a0<strong>small-sized species<\/strong>\u00a0(ranging from\u00a0<strong>1.5 to 6 cm<\/strong>),\u00a0<i><strong>M. fentoni<\/strong><\/i>\u00a0displays\u00a0<strong>highly specialised anatomical adaptations<\/strong>.<\/li>\n<\/ul>\n<h3>Unique Morphological Features<\/h3>\n<ul>\n<li>The body of\u00a0<i><strong>Mosura fentoni<\/strong><\/i>\u00a0is unusually\u00a0<strong>elongated,<\/strong>\u00a0with a division into\u00a0<strong>three distinct zones<\/strong>\u00a0comprising a total of\u00a0<strong>26 segments<\/strong>:\n<ul>\n<li>A\u00a0<strong>short neck<\/strong>\u00a0region that supports the\u00a0<strong>head<\/strong>,<\/li>\n<li>A\u00a0<strong>mesotrunk<\/strong>\u00a0consisting of\u00a0<strong>six paddle-shaped flaps<\/strong>\u00a0that function as\u00a0<strong>propulsive organs for swimming<\/strong>,<\/li>\n<li>A\u00a0<strong>posterotrunk<\/strong>\u00a0containing up to\u00a0<strong>16 segments<\/strong>\u00a0dominated by\u00a0<strong>rows of fine gills<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li>The\u00a0<strong>posterotrunk<\/strong>\u00a0is proposed to be a\u00a0<strong>specialised breathing tagma<\/strong>, drawing parallels to the\u00a0<strong>oxygen-collecting tails of modern horseshoe crabs<\/strong>, suggesting a\u00a0<strong>highly evolved respiratory mechanism<\/strong>\u00a0in this ancient organism.<\/li>\n<\/ul>\n<h3>Geological and Paleontological Context<\/h3>\n<ul>\n<li>The fossil belongs to the\u00a0<strong>Cambrian period<\/strong>, which began around\u00a0<strong>540 million years ago<\/strong>, following the\u00a0<strong>Precambrian-Cambrian boundary (600\u2013540 Ma)<\/strong>.<\/li>\n<li>This period witnessed the\u00a0<strong>Cambrian Explosion<\/strong>, also known as the\u00a0<strong>Cambrian Big Bang<\/strong>, marked by the\u00a0<strong>sudden emergence of complex animal life<\/strong>\u00a0with hard body parts.<\/li>\n<li>The transition from\u00a0<strong>soft-bodied Ediacaran fauna<\/strong>\u00a0to\u00a0<strong>skeleton-bearing Cambrian organisms<\/strong>\u00a0represents a\u00a0<strong>major biotic shift<\/strong>\u00a0in Earth\u2019s history.<\/li>\n<li>Changes in the\u00a0<strong>carbon (C) and strontium (Sr) isotopic composition<\/strong>\u00a0of rocks during this period aid in the\u00a0<strong>stratigraphic correlation of Proterozoic-Cambrian boundaries<\/strong>.<\/li>\n<\/ul>\n<h2>Mosura fentoni FAQs<\/h2>\n<p><strong>Q1:\u00a0<\/strong>What is\u00a0<i>Mosura fentoni<\/i>?<br \/>\n<strong>Ans:<\/strong><i>Mosura fentoni<\/i>\u00a0is a newly discovered extinct marine species from the Cambrian period, dating back around 506 million years, known to be an early marine predator.<\/p>\n<p><strong>Q2:\u00a0<\/strong>Where was\u00a0<i>Mosura fentoni<\/i>\u00a0discovered ?<br \/>\n<strong>Ans:<\/strong>\u00a0It was found in the Burgess Shale of British Columbia, Canada.<\/p>\n<p><strong>Q3:\u00a0<\/strong>Which group does\u00a0<i>Mosura fentoni<\/i>\u00a0belong to?<br \/>\n<strong>Ans:<\/strong>\u00a0It belongs to the Radiodonta, a group of extinct stem-group arthropods, which are distant evolutionary relatives of modern insects, crustaceans, and arachnids.<\/p>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/what-is-mosura-fentoni\/article69617148.ece\" target=\"_blank\" rel=\"nofollow noopener\">TH<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mosura fentoni is a newly discovered Cambrian marine organism found in the Burgess Shale, a globally significant fossil site in British Columbia, Canada.<\/p>\n","protected":false},"author":8,"featured_media":48265,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[581,21,23],"class_list":{"0":"post-48263","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-mosura-fentoni","9":"tag-prelims-pointers","10":"tag-upsc-prelims-current-affairs","11":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/48263","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=48263"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/48263\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/48265"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=48263"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=48263"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=48263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}