
olsoniformukal

disorophoid temnospondylukalude oru vamshamaan olsoniforms. disorophidae, trematopidae ennee kudumbangalum ithil ulppedunnu. eee vamshathile mikka amgangalum bhouma jeevithashailiyumaayi valareyadhikam poruthappettu. 2008 ll eee vamshathinu peru nalkappettu, ithu "disorophus multisinctus" (oru disorophid), "acheloma kamminsi" (oru trematopid) enniva adangiya ettavum kuranja ulkkollunna vamshamaayi nirvachikkappedunnu, pakshe "amphibamus grandiseps, micromelerpettan crediniri", "appaattiyon pedestries" ennivayalla. olsonifomukal oru stautt, loow iliyam, nerttha cultrifom prakriya thudangiya vividha savisheshathakal pankidunnu.
europile avasaanathe carboniferous, aadyakaala permian, vadakke amerikkayude bhooribhaagavum ennividangalil ninnu trematopidukal ariyappedunnu, athesamayam disorophidukal praadhamikamaayi madhya american aikyanaadukalile aadyakaala permian nikshepangalil kaanapedunnu, ithu eurasiayile madhya-avasana permian vare vyaapikkunnu.
disorophoidiaykkullil olsoniformukalude phylogenetic sthaanam kaanikkunna skochil (2018) ninnulla oru cladogram chuvadeyunda

