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Tsitokrinus Vaqtinchalik diapazon: Siluriya-perm PreꞒ Ꞓ O S D. C P T J K Pg N [1]
Cyathocrinus goniodactylus, displeyda Galerie de paléontologie va d'anatomie Comparée Parijda
Ilmiy tasnif
Qirollik:	Animalia
Filum:	Ekinodermata
Subfilum:	Crinozoa
Sinf:	Crinoidea
Subklass:	Kamera
Buyurtma:	Kladida
Oila:	Cyathocrinitidae
Tur:	Tsitokrinus Miller 1821 yil

Tsitokrinus bu yo'q bo'lib ketgan jinsi krinoidlar oilaga tegishli Cyathocrinitidae.^[1][2]

Bu Cyathocrinites, Gissocrinus, Ixtiocrinus, Meniscocrinus, Occiducrinus kabi nasllarga tegishli deb hisoblanadi.^[1]

Ushbu statsionar o'rta darajadagi epifaunal osma oziqlantiruvchilar Permian Avstraliya va Pokiston, Devoniy Chexiya Respublikasi, shuningdek Siluriya Chexiya va Shvetsiya, 428,2 dan 254,0 mln.^[1]

Adabiyotlar

Bu tarixdan oldingi krinoidbilan bog'liq maqola a naycha. Siz Vikipediyaga yordam berishingiz mumkin uni kengaytirish. v t e