Mariametridae
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Mariametridae is a family of echinoderms belonging to the order Comatulida.
Comatulida
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Comatulida is an order of crinoids. Members of this order are known as feather stars and mostly do not have a stalk as adults. The oral surface with the mouth is facing upwards and is surrounded by fi
Comaster schlegelii from East Timor
Comaturella pennata, a fossil crinoid from the Solnhofen limestone