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Amecystis is a
Palaeozoic genus of
rhombiferan echinoderm similar to Pleurocystites,
lacking rhombs. Broadhead,
Thomas W.; Strimple,
Harrell L. (1975)...
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Echinosphaerites is a
genus of
rhombiferan cystoid echinoderms that
lived in the
Early to
Middle Ordovician of
North America and
Europe (Bockelie, 1981)...
- D. (2023). "Pleurocystites? scylla, a new
species of
pleurocystitid rhombiferan, and
comments on
early echinoderm teratologies".
Journal of Paleontology...
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Lepocrinites is a
genus of
rhombiferan blastoids (Echinodermata). "ART. ****V.--A New
Cystid from the
Clinton Formation of Ontario--Lepadocystis clintonensis"...
- Y.; Fang, X.; Huang, D.-Y. (2024). "Cheirocystis liexiensis, a new
rhombiferan blastozoan (Echinodermata) from
Lower Ordovician of
South China Block"...
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Pleurocystites (meaning rib bag or side bladder) is a
genus of
rhombiferan echinoderm (a cystoid) that
lived in the Late Ordovician. Its
fossils are known...
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Lepidocystoids (Eocrinoids)
Crinoids Eocrinoids Dibrachicystids (
Rhombiferans)
Glyptocystitoids (
Rhombiferans) Eocrinoids...
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Palaeophiomyxa Ophiurina Eospondylus Kentrospondylus Regulaecystis A
rhombiferan Echinasterella A
stenuroid Hystrigaster Palasteriscus Sturtzaster Medusaster...
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Vizcainoia is an
extinct genus of
rhombiferan echinoderms from the
early Middle Cambrian (Miaolingian, Wuliuan,
about 510 Ma). It is a
stalked echinoderm...
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Dibrachicystis is an
extinct genus of
rhombiferan echinoderm from the
early Middle Cambrian (Miaolingian, Wuliuan,
about 510 Ma). It is a
stalked echinoderm...