She phylum dy veiyn marrey eh Echinodermata. Te'n ennym ass y Çhenn Ghreagish, ἐχινόδερμα (echinóderma), "crackan jialgagh". Shen ἐχῖνος (echínos), "arkan sonney; kione kiyt" as δέρμα (dérma), "crackan".
Ta co-chrooaght lieh-chrantessenagh oc, as shen queig-filley dy cadjin. Ta deill as cucowryn marrey nyn echinodermyn. T'ad cummal er feie ny marrey, voish y chryss eddyr-tidee dys y chryss harvaalagh.
Ta mysh 7000 dooie 'sy phylum. [1] Myr shen, she nah phossan smoo Deuterostomia t'ayn, lurg Chordata. She y smoo phylum t'ayn gyn dooie erbee ta cummal ayns ushtey millish ny er yn thalloo.
Ta scansh bea-oaylleeagh as creg-oaylleeagh oc. Ta pooar aaghiennagh yindyssagh oc, do nod ad aa-aase stoo kirpey, organeyn, cass, ny eer aachroo ad hene dy slane jeh cass ynrican. Ta ushylee vesodermagh chraueagh Echinodermata cadjin dy liooar ayns clagh eayil, as ta fys ry-gheddyn assdaue er y çhymbyllaght chreg-oaylleeagh v'ayn.
Ta daa aarheynn mooar ayn: Eleutherosoa gleashagh, shen Asteroidea (crossagyn marrey), Ophiuroidea (crossagyn brishlag), Echinoidea (king kiyt) as Holothuroidea (cocowryn marrey); as Pelmatosoa soit, shen crinoidee, Blastosoa anvio, as Paracrinoidea anvio. Ta shiartanse dy chrinoidee gleashagh, gyn scansh da'n rang-oardraghey shen.
Hooar ad rang Eleutherosoa noa ayns 1986, as tree dooie echey: shen Concentricycloidea ("neaynin marrey"). Hug ad eh mastey Asteroidea fy-yerrey. Ta dooieyn elley ry-gheddyn 'sy recortys fossylagh nagh by ayns possan mullee[noa] (crown group) dy baghtal.
She phylum dy veiyn marrey eh Echinodermata. Te'n ennym ass y Çhenn Ghreagish, ἐχινόδερμα (echinóderma), "crackan jialgagh". Shen ἐχῖνος (echínos), "arkan sonney; kione kiyt" as δέρμα (dérma), "crackan".
Ta co-chrooaght lieh-chrantessenagh oc, as shen queig-filley dy cadjin. Ta deill as cucowryn marrey nyn echinodermyn. T'ad cummal er feie ny marrey, voish y chryss eddyr-tidee dys y chryss harvaalagh.
Ta mysh 7000 dooie 'sy phylum. Myr shen, she nah phossan smoo Deuterostomia t'ayn, lurg Chordata. She y smoo phylum t'ayn gyn dooie erbee ta cummal ayns ushtey millish ny er yn thalloo.
Ta scansh bea-oaylleeagh as creg-oaylleeagh oc. Ta pooar aaghiennagh yindyssagh oc, do nod ad aa-aase stoo kirpey, organeyn, cass, ny eer aachroo ad hene dy slane jeh cass ynrican. Ta ushylee vesodermagh chraueagh Echinodermata cadjin dy liooar ayns clagh eayil, as ta fys ry-gheddyn assdaue er y çhymbyllaght chreg-oaylleeagh v'ayn.
