Gogia
Gogia Temporal range:
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G. kitchnerensis specimen from Utah | |
A colourful reconstruction of G. ojenai | |
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Genus: | Gogia Walcott 1917
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G. prolifica | |
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Gogia is a genus of primitive eocrinoid blastozoan from the early to middle Cambrian.
G. ojenai dates to the late Early Cambrian;[3] other species come from various Middle Cambrian strata throughout North America, but the genus has yet to be described outside this continent.[2] Notable localities where species are found include the Wheeler Shale of Utah,[4] and the Burgess Shale of British Columbia.[citation needed]
The species of Gogia, like other eocrinoids, were not closely related to the true crinoids, instead, being more closely related to the blastoids.
Gogia is distinguished from sea lilies, and most other blastoids, in that the plate-covered body was shaped like a vase, or a bowling pin (with the pin part stuck into the substrate), and that the five ambulacra were split into pairs of coiled or straight, ribbon-like strands. Template:Gpb abundance
As a whole, the Eocrinoids are regarded as basal blastozoans very close to the ancestry of the entire subphylum.
External links
References
- ^ Redescribed in Harker, P.; Hutchinson, R. D. (1953). "A New Occurrence and Redescription of Gogia prolifica Walcott". Journal of Paleontology. 27 (2): 285–287. doi:10.2307/1300058 (inactive 2018-09-26). JSTOR 1300058.
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: CS1 maint: DOI inactive as of September 2018 (link) - ^ a b c d e f Robison, R. A. (1965). "Middle Cambrian Eocrinoids from Western North America". Journal of Paleontology. 39 (3): 355–364. doi:10.2307/1301709 (inactive 2018-09-26). JSTOR 1301709.
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: CS1 maint: DOI inactive as of September 2018 (link) - ^ a b Durham, J. W. (1978). "A Lower Cambrian Eocrinoid". Journal of Paleontology. 52 (1): 195–199. doi:10.2307/1303808 (inactive 2018-09-26). JSTOR 1303808.
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: CS1 maint: DOI inactive as of September 2018 (link) - ^ https://gsa.confex.com/gsa/2007AM/finalprogram/abstract_130823.htm