Articulata (Crinoidea)
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Articulata are a subclass or superorder within the class Crinoidea, including all living crinoid species. They are commonly known as sea lilies or feather stars. The Articulata are differentiated from
Ptilometra australis Passion Flower feather star
Hyocrinidae
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Hyocrinidae is a family of echinoderms, the only family in the order Hyocrinida.
Articulata (Crinoidea)
…order †Encrinida family †Encrinidae order Hyocrinida family Hyocrinidae Carpenter, 1884 order Isocrinida Sub-order Isocrinina family Cainocrinidae Simms, 1988 family Isocrinidae Gislén, 1924 family…
Hyocrinus sp
Hyocrinus cyanae