Delocrinus: Difference between revisions
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'''''Delocrinus''''' is a [[genus]] of [[Extinction|extinct]] [[crinoid]]s, belonging to the family [[Catacrinidae]].<ref>{{cite web|url=https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=32132&is_real_user=1|title=Delocrinus|website=Palaeobiology Database}}</ref> Specimens have been found in [[Kansas]] [[Nebraska]] [[Nevada]] [[Oklahoma]], [[Arizona]], [[Iowa]], [[Texas]], [[Utah]] and [[Virginia]]. |
'''''Delocrinus''''' is a [[genus]] of [[Extinction|extinct]] [[crinoid]]s, belonging to the family [[Catacrinidae]].<ref>{{cite web|url=https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=32132&is_real_user=1|title=Delocrinus|website=Palaeobiology Database}}</ref> Specimens have been found in [[Kansas]] [[Missouri]] [[Nebraska]] [[Nevada]] [[Oklahoma]], [[Arizona]], [[Iowa]], [[Texas]], [[Utah]] and [[Virginia]]. |
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''Delocrinus missouriensis'' was made the state fossil of [[Missouri]] in 1989.{{cn|date=September 2018}} |
''Delocrinus missouriensis'' was made the state fossil of [[Missouri]] in 1989.{{cn|date=September 2018}} |
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Revision as of 14:32, 18 November 2020
| Delocrinus Temporal range:
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Crinoidea |
| Order: | †Dendrocrinida |
| Family: | †Catacrinidae |
| Genus: | †Delocrinus Miller and Gurley, 1890 |
| Species | |
Delocrinus is a genus of extinct crinoids, belonging to the family Catacrinidae.[1] Specimens have been found in Kansas Missouri Nebraska Nevada Oklahoma, Arizona, Iowa, Texas, Utah and Virginia.
Delocrinus missouriensis was made the state fossil of Missouri in 1989.[citation needed]
Description
Like extant crinoids, Delocrinus species was anchored to a hard surface by a holdfast out of which grew an articulated stalk. On top of this was a calyx with a number of feather-like arms. Each arm bore short branches known as pinnules and from these cirri were extended which sifted plankton from the water flowing past.[2]
References
- ^ "Delocrinus". Palaeobiology Database.
- ^ Dorit, R. L.; Walker, W. F.; Barnes, R. D. (1991). Zoology. Saunders College Publishing. pp. 790–792. ISBN 978-0-03-030504-7.