
raakofilaittukal

discophillitidae kudumbatthilppetta vamshanasham sambhavicha sephalopodukalude oru janussaanu raakofilaittukal. eee nectonic maamsabhojikal carnian muthal raishyan yugam vareyulla triasic kaalaghattatthilaanu jeevichirunnathu.
vivaranam.
"raakkofilaittukal" paramavadhi ekadesham vyaasathil ethum. avaykku oru discoidal, saadhaaranayaayi parinamikkunna shell undu. thayyalinte aadyathe laattaral saddle diphylic aanu, aduthulla laattaral saddle diphylic allengil triphilic aanu.