genacanthus

genacanthus (puraatana greeku nundi φένος, xénos, 'videshee, grahaantara' + άκανθος, acantos, 'vennemuka') anedi charitrapurva genakanthla jaathi. prapanchavyaaptamgaa vividha jaatula silaajaalu kanugonabaddayi.
vivarana.
"genacanthus" aadhunika sorachepala nundi veruchese aneka lakshanaalanu kaligi undhi. eee manchineeti sorachepa saadhaaranamgaa oka meater (3.3 adugulu) podavu untundi, mariyu daani kante ekkuva podavu undadu. dorsal rekka ribbon laaga untundi mariyu venuka mottam podavu mariyu thoka chuttoo nadustundi, akkada adhi guda rekkatho kalustundi. eee amarika aadhunika kangar eelsnu pooli untundi, mariyu "genacanthus" bahusha idhe paddhatiloo eetha kottavachhu. thala venuka nundi oka vilakshanhamaina vennemukanu pradarsinchi, jaatiki daani paerunu ichindi. spike vishapuuritamainadani kooda oohinchabadindi, bahusha sting rae maadirigaane. kiranaalu sorachepalaku daggari bandhuvulu kabatti idhi chaalaa aamodayogyamainadi. dantaalu asaadhaaranamaina "vii" aakaraanni kaligi undevi, mariyu idhi bahusha chinna crustatianlu mariyu bhaareega scale cheyabadina polyonysid chepalanu tinedi.
anni shilaja sorachepala maadirigaane, "genacanthus" pradhanamgaa shilaja dantaalu mariyu vennemukala kaaranamgaa prasiddhi chendindi.
uttara america, eurup mariyu dakshina americaloni carboniferous-permian nundi silaajaalu telisinavi. triasic jaatulu "moorodantus" anae pratyeka jaatiki marchabaddayi.

