iberomornis

iberomornis ("iberian madhyavarti pakshi") spen key cretaceous key anantiornithin pakshi kaa ack monotypic genus haye.
khoj.
1985 mein "iberomornis" key jeevaashm kii khoj armando diaz romeral dwara poorv madhya spen key kyunka praant key laas hoyas mein praarambhik cretaceous calizas dee laa heurguina gathan mein kii gaee thee, joe lagbhag 125 million saal pahale dair seey barmian kaa haye. yeh khoj pahali baar 1988 mein darj kii gaee thee. 1992 mein iss prakaar kii prajaati "iberomornis romerali" kaa naam aur varnan jose luis sainj aur jose fernando bonepart ney kiya thaa. samanya naam iberia aur pracheen yunani, "madhya", aur, "pakshi" seey liya gayaa haye, joe sabse besal aur aadhunik pakshiyon key beach madhyavarti sthiti key sandarbh mein haye. vishisht naam romeral kaa sammaan kartaa haye.
holotype namuna, lh-22, laas hoyce sangrah kaa hissa haye, jisamen ack vayask vyakti kaa sampeedit spasht aanshik kankal hotaa haye jisamen khopadi, poorv gardan aur adhikansh haathon kii kamee hoti haye. ack doosara namuna, ell. aich.-8200, koo "iberomornis" sp kahaa gayaa thaa. 1994 mein, jisamen ack vyakti kaa baayan pair holotype key aakar key samaan hotaa haye. jeevaashm kii aage kii taiyari key baad, prajaati koo 2000 mein paul sereno dwara phir seey design kiya gayaa thaa.
jeev vigyaan aur paaristhitiki.
"iberomornis" kaafee chhota thaa, ack badee aadhunik gauraiya seey badaa naheen thaa. iss dhaarana parr kii isake pankh apekshaakrit chhote they, isake pankh lagbhag bees centimeter they; iska vajan pandrah seey bees graam anumaanit kiya gayaa haye. isake pratyek pankh parr ack hii panja hotaa thaa. sanrakshit akshiya stambh kii lambai assie-saat millimeter haye. isaki ribcage koo ausified unsinate prakriyaon dwara majboot naheen kiya gayaa thaa, lekin cartilogenous prakriyaaen sambhavatah maujood theen.
laas hoyas ikai 3 sthal kabhi ack jheel key aspas kaa jangal thaa; jalavaayu ack alag shushk mausam key saath germ thee. choonki khopadi gyaat naheen haye, isaliye "iberomornis" kaa aahar anuman lagaane kaa vishay banaa huaa haye. shayed yeh keede aur anya chhote jaanvaron kaa shikaar kartaa thaa, unhein havaa seey yaa jameen seey baahar nikaalata thaa. hoe sakata haye kii yeh jheelon key paas rehna pasand kartaa hoe, paani kii satah seey keede pakadata hoe. aaraam karate samay, yeh apane majboot, panje vaale pairon kaa upayog shaakhaon parr baithane key liye kartaa thaa; pair kii ungaliyan ghumaavdaar panje key saath lambi hoti hain aur ack nimn aur lambe hollux ney pakadane kii kshamata mein sudhaar kiya.
phylogeny.
"iberomornis romerali" "archaeopterics" "kii tulanaa mein bhautik roop seey adhik vyutpann thaa. ack lambi poonchh kii mool visheshta khou gaee thee aur coracoid lamba thaa. iberomornis" kaa kasheruki stambh ack pygostyle mein samaapt huaah fused tail kasheruka seey bunny huddy kaa ack splint joe poonchh key pankhon kaa samarthan kartaa haye. chhoti poonchh aur kandhe kii uchch sthiti strut-jaise coracoid dwara ingit kii jaati haye-joe ack adhik pankh ayam kii anumati detee haye-gati seey mudanaa aur jhukana, paintarebaazi mein sudhaar. udaan kii maanspeshiyon key liye lagaav key roop mein urosthi parr ack huddy kii keel kii kamee key kaaran udaan kii gati kharaab hoe sakati haye; yeh anishchit haye kii kyaa ack sachcha "foramen triosium" maujood thaa, jisake madhyam seey ack tendon pankh koo oopar uthaa sakata thaa aur dabaa sakata thaa.
1992 mein "iberomornis" koo iberomornithidae koo saunpa gayaa thaa. usa samay ise sambhavatah clade ornithothores key baahar bahut besal maanaa jaataa thaa, jaisa kii isake samanya naam seey parilakshit hotaa haye. haalaanki, "iberomornis" kii khoj key baad seey, chean key liaoning praant kii khadanon mein kaee aur pakshi jeevaashm saamane aae hain. cheeni prajaatiyon key achchi tarah seey sanrakshit namoonon jaise "sinornis" aur "confuciousornis" ney vaigyaanikon koo pakshiyon key praarambhik jeevaashm itihas koo behtar dhang seey samajhane kii anumati dee haye. aaj, "iberomornis" koo ornithothores key bheetar sthit, anantiornithes key ack besal sadasya key roop mein dekhaa jaataa haye.

