
gasconadian charan

gasconadian charan uttari america mein aur nichale ordovician kanadian yug mein ordovician bhoovaigyaanik avadhi kaa pahala charan haye, joe cambrian key anta mein compan key turant baad aataa haye aur madhya kanadian demingian charan seey pahale aataa haye. gasconadian europeeya tramadocian key barabar haye aur motey taur parr ibexian shrinkhala key khopadi key barabar haye.
gasconadian kaa naam misauri key gasconade gathan key liye rakhaa gayaa haye, jiska naam gasconade nadee key liye rakhaa gayaa haye, aur iska pratinidhitva newyork raajya mein janjaatiyon key pahaadi gathan aur dakshini nyu maxico aur paschim texas mein alasso samooh key oopari anand fm aur searite ls dwara kiya jaataa haye.
pichhali shatabdi key jeevaashm vigyaan aur stareekrit saahitya mein gasconadian ack aam shabd haye, chaahe vaha kewal ack samay avadhi key liye upayog kiya jaataa hoe yaa usa samay key dauran nirdhaarit star key liye.
samay aur avadhi.
haal key anuman (aaee. see. aiss. aur kosuna) lagbhag 488 seey 500 million varsh pahale kaheen bhee gasconadian aur ordovician kii shuruat karate hain, jisaki avadhi kramshah 9.7 seey 10 million varsh taka hoti haye aur iska anta lagbhag 464 meater hotaa haye.vaaee.aeye. donon hii aadhe seey adhik praarambhik ordovician key anuman dete hain. 60 pratishat aaee. see. key anusaar, 2/3 kosuna key anusaar.
staree.
gasconadian (tramadocian) koo dakshini nyu maxico aur paschim texas mein anand key nirmaan key oopari bhaag aur cyrite choona patthar dwara darshaaya jaataa haye joe nichale ordovician (kanadian) ell passo samooh kaa sabse nichala gathan haye. anand ack nikat tata, delta aur samudra tata balua patthar kaa bhandar haye; nichala bhaag oopari cambrian mein faila huaa haye. cyrite choona patthar ack uthala paani, carbonate shelf deposit haye. donon key beach sampark kramik haye.
iss kshetra key saamaanyikrit stareekrit khandon seey sanket milata haye kii gasconidian ayu star nichale ordovician khand mein 20 seey 40 pratishat key beach haye; ell passo, texas key baahar franklin mtn mein 20 pratishat; dakshini nyu maxico mein aage uttar mein cabello mtn mein 40 pratishat. isase pataa chalata haye kii gasconadian vaastav mein mool raashi key bajaay aadhe seey bhee cumm praarambhik ordovician leey sakata haye.
cephalopods.
gasconadian seey cephalopods vishesh roop seey notiloid order alesmerosarida seey sambandhit hain, aur mukhya roop seey alesmerosaridae seey sambandhit hain.
inmein seey "clarcosera" aur "actanolytes" they joe dair seey cambrian seey jaari rahey, saath hii vishesh roop seey ordovician "alesmerosera" key samaan "erimosera", donon belnakar orthoconic, aur sampeedit endogastickerk "dakiras" they. sabhi kii gardanen anivarya roop seey seedhi, chhoti hoti hain aur cyphuncle mein motey avtal judane vaale valay hotey hain. 
baad vaale kanadai, gasconadian key baad dou nae aadeshon, endoserida aur tarficida, alerosarida key bheetar nae parivaaron key vikas (ee.jee. baltoseratidae aur bathmoseratidae), aur orthocerida, actinoserida aur discosorida key pahale anta key paas.
kramik vividhata kii tulanaa mein gasconadian kii seemit supergreneric safelopod vividhata bhee charan key liye apekshaakrit cumm avadhi kaa sujhaav detee haye.