
avarostra

seratosoriya, tettaanure ennee mikka theropod dinosarukalum ulppedunna oru vamshamaan avarostra, allengil "pakshi moorcha", ithu aadyakaalathinu sheshamulla jurassic theropodukalude eaka groupine prathinidheekarikkunnu. iruvarum cretatius kaalaghattatthil athijeevichu. cretatius-paliyojen vamshanasha sambhavam nadakkumbol, seratosorians, megaaraptorans, tettaanuraykkullil oru "inserta sedis" group, coelurosoria kledinullile tettaanuraanukalude rund grouppukalaaya tyranosouroidia, maniraptoriformukal ennivayum ippozhum nilaninnirunnu. maaniraaphtoriformukalude oru upavibhagamaaya avez maathramaan vamshanasha sambhavathe athijeevichathu, athu innum nilanilkkunnu.
anchaamathe mettaakaarppalinte abhaavamaan avarostrayude oru pradhana roganirnaya savisheshatha. mattu sorishyakkaar eee asthi nilanirtthi, ennirunnaalum ganyamaayi kuranja roopathilaanu.
nirvachanam.
gregory ezz aanu avarostraykk peru nalkiyathu. 2002ll oru apomorphy adisthaanamaakkiyulla kledaayi pooll, dromeosoridaeum mattu avepoda ulppedunna oru groupaayi nirvachichirikkunnu, (oru poorvvikanodoppam) oru promaxilary fenestra ("fenestra promaxillaris"), maxillayude munvashathe puram vashath oru adhika thurakkal, mukalile thaadiyellu undaakkunna asthi. martin eskura gilles kooniyum 2007-ll ithu avarude avasaanathe pothu poorvvikanum athinte ellah pingaamikalum aaya "seratosorus nassicornis", "alosorus fragilis" enniva adangiya oru nooad adhishtitha kledaayi punarnirvachichu. polinte yadhaartha apomorphy adisthaanamaakkiyulla nirvachanam avarostra "seratosorus" + "alosorus" nodinekkaal valare vishalamaaya oru kledaayi maattiyekkaamenn mikki mortimer abhiprayappettu, athil ellah avepoda athiladhikavum ulppedaam.
seratosoriyayum tettanurayum chernnu roopeekaricha eee vamshathinu selophosoidia ozhivaakkiyaan (1986) aadyam neotheropoda ennu perittathu, ennaal eee peru pinneedu mikka rachayithaakkalum selophosoidia adangiyathum avepodaykku samaanamaayathumaaya oru vamshathinu upayogichu.
dialophosorus" polulla valare aadyakaala valia jurassic theropodukale avarostrayile amgangalalla (eskura kooniyum nirvachichathupole), marichu basel amgangalumaayi bandhappettava ennu vargeekarikkunnathine 2020 leeii oru monograph pinthunachu.

