English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

i­zation­in­marine­ecosystems.­A­series­of­diversification­ events resulted in the introduction of varied taxa, and evolutionary radiation was accompanied by fundamental changes in substrate consistency leading, ultimately to more­fluidized­sediment­surfaces.­For­echinoderms­and­ suspension-feeders in general, the Cambrian was a time of evolutionary experimentation (e.g., Domke & Dornbos 2010, Zamora & Smith 2010, Zamora et al. 2017, Lefebvre & Lerosey-Aubril 2018). One interesting aspect of the paleoecology of the early to mid-Cambrian (late Epoch 2 to Miaolingian Epoch) was the widespread presence of mat-stabilized sediment surfaces in shallow marine ecosystems (e.g.,­Seilacher­&­Pflüger­1994,­Bottjer­et al. 2000).­Prior­to­the­widespread­fluidization­of­substrates­ by burrowing animals (referred to as the Cambrian Substrate­Revolution;­Bottjer­et al. 2000), some early echinoderms, including taxa assigned as helicoplacoids (Bottjer­et al. 2000), edrioasteroids (Sumrall & Sprinkle 1992,­Domke­&­Dornbos­2010),­ eocrinoids,­ and­homo iostelians (Zamora et al. 2017), evidently attached to or stuck to mat-stabilized surfaces in post-larval phases of life. Twelve named genera of edrioasteroids, plus some undetermined forms, have been recorded from Cambrian deposits­worldwide­(Pompeckj­1896;­Jaekel­1899,­1921;­ Schuchert­1919;­Bassler­1935,­1936;­Bell­&­Sprinkle­1978;­ Jell­et al.­1985;­Smith­1985;­Sprinkle­1985;­Smith­&­Jell­ 1990;­Ubaghs­1998;­Fatka­et al.­2004;­Parsley­&­Prokop­ 2004;­Zamora­et al.­2007,­2013,­2015;­Domke­&­Dornbos­ 2010; Lefebvre et al. 2010; Zamora & Smith 2010; Zhao et al.­2010;­Zamora­2013;­Guensburg­&­Rozhnov­2014;­ Robison et al.­2015;­Lefebvre­&­Lerosey-Aubril­2018).­ Of these, nearly all show evidence of attachment (Tab. 1). In this paper, we discuss attachment in a new species of the Cambrian edrioasteroid Totiglobus. This example presents an interesting addition to the life habit information previously­ documented­ for­ the­ genus­ (Bell­&­ Spinkle­ 1978,­Domke­&­Dornbos­2010,­Zamora­et al. 2017). The new species was collected from the Spence Shale (Cambrian: Miaolingian Series, Wuliuan Stage) in

bulletin of geosciences

New edrioasteroid (Echinodermata) from the Spence Shale (Cambrian), Idaho, USA: further evidence of attachment in the early evolutionary history of edrioasteroids