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Pagetia
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Agnostida
Superfamily:
Eodiscoidea
Family:
Eodiscidae
Formal Genus Name and Reference:
Pagetia WALCOTT, 1916b, p. 407
Type Species:
* P. bootes, OD, syntypes (WALCOTT, 1916b, pl. 67, fig. 1), 6285562861, USNM, Washington, D.C.
Images
(Click to enlarge in a new window).png)
Fig . 252,4. *P. bootes, Bathyuriscus-Elrathina Zone, Burgess Shale, British Columbia; articulated syntype, × 8 (Rasetti, 1966b).
Synonyms
Eopagetia, Mesopagetia
Geographic Distribution
USA (New York), Canada (Yukon Territory), USA (Idaho, New York), Canada (Quebec, British Columbia), India, Russia (Siberian Platform), Korea, China (Guizhou, Yunnan), Antarctica, Australia (Queensland, New South Wales, Northern Territory, South Australia)
Age Range
Beginning Stage in Treatise Usage:
upper Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale), Middle Cambrian
Beginning International Stage:
Wuliuan
Fraction Up In Beginning Stage:
0
Beginning Date:
509
Ending Stage in Treatise Usage:
upper Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale), Middle Cambrian
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
0
Ending Date:
498.75
Description
Glabella may taper forward, usually with furrows poorly impressed laterally, preglabellar field of variable length, usually depressed, border tapering laterally, abathochroal eye present, facial suture proparian. Thorax with two or three segments, with geniculate, posteriorly directed median spine on second. Pygidium with axis of three to six rings plus terminal portion bearing spine of variable length, axis not reaching border furrow.