Cystoidea is a class of extinct crinozoan echinoderms, termed cystoids, that lived attached to the sea floor by stalks. They existed during the Paleozoic...
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List of echinoderm orders (section Class Cystoidea)
Haeckel Cystoidea...
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Edrioasteroidea join it in the stem group. Pelmatozoa, Eocrinoidea, and Cystoidea are shown to be paraphyletic while Homalozoa is polyphyletic. Pentaradiality...
107 KB (10,783 words) - 20:29, 19 November 2024
†Comarocystitida order †Platycystitida †Cystoidea (Cystoidea/Hydrophoridea) - today considered a paraphyletic taxon; rarely also Cystoidea s.l. also consists of Eocrinoidea...
16 KB (1,621 words) - 23:14, 8 November 2024
Argentina at Fossilworks.org F. G. Acenolaza. 1986. El genero Macrocystella (Cystoidea) en el Tremadociano de Salta y Jujuy. Actas del IV congreso Argentino...
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propel itself along the sea floor. Prehistoric echinoderms Blastozoa Cystoidea Paleozoic echinoderms Imran Rahman (January–February 2009). "Making sense...
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Echinosphaerites (category Cystoidea)
Echinosphaerites is a genus of rhombiferan cystoid echinoderms that lived in the Early to Middle Ordovician of North America and Europe (Bockelie, 1981)...
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Jaekel, Otto. 1899. Stammesgeschichte der Pelmatozoen: Thecoidea und Cystoidea. Berlin: Julius Springer. Jaekel, Otto. 1902. “Ueber verschiedene Wege...
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Calyptaulax sp. Tretaspis sp. Crinoidea: Cupulocorona rugosa Donovan and Paul Cystoidea Regulaecystis inconstans Paul Cynwyd Forest Quarry - photo taken July...
4 KB (356 words) - 19:03, 12 October 2022