| Source Data | |
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| Rank | species (PBDB) |
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| Taxonomy (PBDB) | Life : Animalia : Echinodermata : Crinoidea : Homocrinida : Columbicrinidae : Praecursoricrinus : Praecursoricrinus sulphurensis |
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Classification
(PBDB,GBIF) | |
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| Opinions (PBDB) | | Name | Rank | Opinion | Evidence | Author |
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| Praecursoricrinus sulphurensis | species | belongs to Praecursoricrinus | stated with evidence | Frest et al., 1979 |
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| Status (PBDB) | extinct |
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| Taxon Size (PBDB) | 1 |
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| First Recorded Appearance | 461 - 450 Ma
Ordovician |
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| Last Recorded Appearance | 461 - 450 Ma
Ordovician |
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| Environment | marine (based on Echinodermata) |
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| Motility | stationary, attached (based on Disparida) |
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| Vision | blind (based on Crinoidea) |
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| Diet | suspension feeder (based on Disparida) |
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| Reproduction | dispersal=water,planktonic (based on Echinodermata) |
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| Ontogeny | accretion,addition of parts (based on Echinodermata) |
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| Taphonomy | high Mg calcite (based on Crinoidea) |
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| Primary Reference (PBDB) | T. J. Frest, H. L. Strimple, and M. R. McGinnis. 1979. Two new crinoids from the Ordovician of Virginia and Oklahoma, with notes on pinnulation in the Disparida. Journal of Paleontology 53:399-415 |
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Praecursoricrinus sulphurensis β
