{"id":75862,"date":"2026-05-05T04:31:13","date_gmt":"2026-05-05T04:31:13","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/75862\/"},"modified":"2026-05-05T04:31:13","modified_gmt":"2026-05-05T04:31:13","slug":"pri-razbe-metra-d-objevili-novy-druh-prvohorniho-clenovce","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/75862\/","title":{"rendered":"P\u0159i ra\u017eb\u011b metra D objevili nov\u00fd druh prvohorn\u00edho \u010dlenovce"},"content":{"rendered":"

Unik\u00e1tn\u00ed n\u00e1lez drobn\u00e9, zhruba dvoucentimetrov\u00e9 fosilie na hald\u011b kamen\u00ed vyt\u011b\u017een\u00e9ho p\u0159i ra\u017eb\u011b podzemn\u00ed dr\u00e1hy ned\u00e1vno u\u010dinil Radek Labu\u0165a\u00a0\u2013 sb\u011bratel zkamen\u011blin a\u00a0majitel muzea Trilopark. Exempl\u00e1\u0159 proto p\u0159inesl Luk\u00e1\u0161i Laiblovi z\u00a0Geologick\u00e9ho \u00fastavu AV \u010cR, kter\u00fd se coby paleontolog specializuje na fosiln\u00ed \u010dlenovce.<\/p>\n

\u201eUk\u00e1zalo se, \u017ee jde o\u00a0dosud nezn\u00e1m\u00fd druh, bl\u00edzce p\u0159\u00edbuzn\u00fd trilobit\u016fm. Na rozd\u00edl od nich v\u0161ak m\u011bl jen m\u011bkk\u00fd krun\u00fd\u0159. Pojmenovali jsme ho Soomaspis labutai, na po\u010dest jeho objevitele. N\u00e1lez Radka Labuti je tak trochu, jako kdybyste ve Vltav\u011b z\u00a0ni\u010deho nic objevili velekraba japonsk\u00e9ho,\u201c popsal Luk\u00e1\u0161 Laibl fosilii, kter\u00e1 bude k\u00a0vid\u011bn\u00ed ve st\u00e1l\u00e9 expozici N\u00e1rodn\u00edho muzea, kam ho n\u00e1lezce v\u011bnoval.<\/p>\n

Praha stoj\u00ed z\u00a0velk\u00e9 \u010d\u00e1sti na hornin\u00e1ch z\u00a0\u010das\u016f prvohor, tedy p\u0159ed 541\u00a0a\u017e 252\u00a0miliony lety. P\u0159i v\u011bt\u0161\u00edch stavebn\u00edch prac\u00edch se pravideln\u011b nach\u00e1zej\u00ed zkamen\u011bliny\u00a0\u2013 nap\u0159\u00edklad trilobiti, hlavono\u017eci nebo d\u00e1vn\u00ed ostnoko\u017eci.<\/p>\n

<\/a><\/p>\n

Soomaspis labutai byl mal\u00fd \u010dlenovec s\u00a0ov\u00e1ln\u00fdm \u201eoc\u00e1skem\u201c a\u00a0krun\u00fd\u0159em pokryt\u00fdm drobn\u00fdmi jamkami. \u017dil v\u00a0obdob\u00ed p\u0159ed n\u00e1stupem rozs\u00e1hl\u00e9ho zaledn\u011bn\u00ed, kter\u00e9 vedlo k\u00a0prvn\u00edmu hromadn\u00e9mu vym\u00edr\u00e1n\u00ed na Zemi.<\/p>\n

Foto: Luk\u00e1\u0161 Laibl, Geologick\u00fd \u00fastav AV \u010cR<\/p>\n

Objevitel nov\u00e9ho druhu prvohorn\u00edho \u010dlenovce ze suti po ra\u017eb\u011b metra D Radek Labu\u0165a, po kter\u00e9m se i\u00a0jmenuje Soomaspis labutai.<\/p>\n

Ur\u010dit jeho st\u00e1\u0159\u00ed bylo pom\u011brn\u011b snadn\u00e9. \u201eRa\u017ebu metra D dlouhodob\u011b sleduji a\u00a0vedu si podrobnou dokumentaci o\u00a0hornin\u00e1ch a\u00a0zkamen\u011blin\u00e1ch prakticky v\u00a0ka\u017ed\u00e9 \u010d\u00e1sti tunelu\u2026 Poda\u0159ilo se n\u00e1m dohledat, odkud materi\u00e1l poch\u00e1z\u00ed. V\u00edme tak, \u017ee jde o\u00a0spodn\u00ed vrstvy tzv. kr\u00e1lodvorsk\u00e9ho souvrstv\u00ed,\u201c vysv\u011btluje spoluautorka studie Jana Bruthansov\u00e1 z\u00a0N\u00e1rodn\u00edho muzea.<\/p>\n

V\u00fdsledn\u00fd popis nov\u00e9ho druhu prezentuje v\u011bdeck\u00fd \u010dl\u00e1nek<\/a>, kter\u00fd vy\u0161el ve speci\u00e1ln\u00edm \u010d\u00edsle \u010dasopisu Bulletin of Geosciences. Krom\u011b AV \u010cR a\u00a0N\u00e1rodn\u00edho muzea na n\u011bm spolupracovali i\u00a0jejich kolegov\u00e9 z\u00a0P\u0159\u00edrodov\u011bdeck\u00e9 fakulty Univerzity Karlovy a\u00a0Univerzity ve Flinders v\u00a0Austr\u00e1lii.<\/p>\n

Foto: Luk\u00e1\u0161 Laibl, Geologick\u00fd \u00fastav AV \u010cR<\/p>\n

Detailn\u00ed pohled na n\u00e1lez nov\u00e9ho druhu \u010dlenovce Soomaspis labutai z\u00a0ra\u017eby pra\u017esk\u00e9ho metra D<\/p>\n

Jihoafrick\u00fd p\u0159\u00edbuzn\u00fd<\/p>\n

Nejbli\u017e\u0161\u00ed zn\u00e1m\u00fd p\u0159\u00edbuzn\u00fd tohoto druhu, Soomaspis splendida, byl v\u00a090.\u00a0letech minul\u00e9ho stolet\u00ed nalezen v\u00a0ji\u017en\u00ed Africe. Poch\u00e1z\u00ed z\u00a0hornin star\u00fdch asi 443\u00a0milion\u016f let a\u00a0\u017eil tedy v\u00a0dob\u011b, kdy ledovce z\u00a0konce ordoviku t\u00e1ly a\u00a0oteplovalo se.<\/p>\n

\u201eSoomaspis splendida z\u00a0ji\u017en\u00ed Afriky byl pova\u017eov\u00e1n za mimo\u0159\u00e1dn\u011b vz\u00e1cn\u00fd druh a\u00a0dlouho jsme si mysleli, \u017ee \u0161lo o\u00a0lok\u00e1ln\u00ed zvl\u00e1\u0161tnost\u00a0\u2013 jak\u00e9hosi ordovick\u00e9ho endemita. D\u00edky n\u00e1lezu z\u00a0Prahy ale v\u00edme, \u017ee r\u016fzn\u00e9 druhy rodu Soomaspis musely ob\u00fdvat rozs\u00e1hl\u00e9 oblasti tehdej\u0161\u00edho kontinentu Gondwany,\u201c popsal paleontolog Laibl s\u00a0t\u00edm, \u017ee dne\u0161n\u00ed Prahu a\u00a0ji\u017en\u00ed Afriku od sebe tehdy d\u011blily tis\u00edce kilometr\u016f.<\/p>\n

\u201eZat\u00edmco Soomaspis labutai \u017eil je\u0161t\u011b p\u0159ed ordovickou dobou ledovou a\u00a0hromadn\u00fdm vym\u00edr\u00e1n\u00edm, jeho jihoafrick\u00fd p\u0159\u00edbuzn\u00fd se objevuje a\u017e po n\u011bm. Zd\u00e1 se, \u017ee tito nen\u00e1padn\u00ed \u010dlenovci dok\u00e1zali p\u0159e\u017e\u00edt prudk\u00e9 klimatick\u00e9 v\u00fdkyvy, kter\u00e9 vyhubily mnoho jin\u00fdch \u017eivo\u010dich\u016f. D\u00e1 se \u0159\u00edct, \u017ee \u0161lo o\u00a0d\u00e1vn\u00e9 \u201asurvivory\u2018,\u201c \u0159ekl v\u011bdec.<\/p>\n

Luk\u00e1\u0161 Laibl sou\u010dasn\u011b dodal, \u017ee jejich tajemstv\u00edm bylo nejsp\u00ed\u0161 to, \u017ee ob\u00fdvali hlub\u0161\u00ed \u010d\u00e1sti mo\u0159e, kter\u00fdch se klimatick\u00e9 zm\u011bny p\u0159\u00edli\u0161 nedotkly, a\u00a0zvl\u00e1dli p\u0159e\u017e\u00edt v\u00a0prost\u0159ed\u00ed s\u00a0n\u00edzk\u00fdm obsahem kysl\u00edku.<\/p>\n

Foto: Ji\u0159\u00ed Svoboda<\/p>\n

Vizu\u00e1ln\u00ed rekonstrukce nov\u011b objeven\u00e9ho druhu Soomaspis labutai<\/p>\n

<\/a><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Unik\u00e1tn\u00ed n\u00e1lez drobn\u00e9, zhruba dvoucentimetrov\u00e9 fosilie na hald\u011b kamen\u00ed vyt\u011b\u017een\u00e9ho p\u0159i ra\u017eb\u011b podzemn\u00ed dr\u00e1hy ned\u00e1vno u\u010dinil Radek Labu\u0165a\u00a0\u2013…\n","protected":false},"author":2,"featured_media":75863,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[6067,489,6800,5494,6513,13525,487,98,99,486,24500,77,4006],"class_list":{"0":"post-75862","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-praha","8":"tag-akademie-ved-ceske-republiky-avcr","9":"tag-fosilie","10":"tag-metro","11":"tag-metro-d","12":"tag-narodni-muzeum","13":"tag-objev","14":"tag-paleontologie","15":"tag-prague","16":"tag-praha","17":"tag-pravek","18":"tag-prvohory","19":"tag-veda","20":"tag-zkamenelina"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116520097295305380","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/75862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=75862"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/75862\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/75863"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=75862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=75862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=75862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}