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Crinoids are marine invertebrates that make up the class Crinoidea. Crinoids that remain attached to the sea floor by a stalk in their adult form are commonly called sea lilies, while the unstalked forms, called feather stars or comatulids, are members of the largest crinoid order, Comatulida. Crinoids are echinoderms in the phylum Echinodermata, which…
Culture, Morphology & Evolution
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crinoids arms pinnules sea stem species mouth feet known stars echinoderms tube stalk water tegmen anus class also living body
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Crinoid | is a | stem | 0.90 | text |
| the sea urchins | instance of | unlike in the other echinoderm groups | 0.80 | text |
| starfish | instance of | unlike in the other echinoderm groups | 0.80 | text |
| and brittle stars | instance of | unlike in the other echinoderm groups | 0.80 | text |
| where the mouth is on the underside | instance of | unlike in the other echinoderm groups | 0.80 | text |
| Crinoid | related to Diversity | Echinoderms | 0.60 | section |
| Crinoid | related to Diversity | Cambrian | 0.60 | section |
| Crinoid | related to Diversity | Mya | 0.60 | section |
| Crinoid | related to Diversity | At | 0.60 | section |
| Crinoid | related to Diversity | Echinodermata | 0.60 | section |
| Crinoid | related to Diversity | The | 0.60 | section |
| Crinoid | related to Diversity | Ordovician | 0.60 | section |
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