On the Topology of the Cambrian Semilattices [PDF]
The Electronic Journal of Combinatorics, 2012 For an arbitrary Coxeter group $W$, David Speyer and Nathan Reading defined Cambrian semilattices $C_{\gamma}$ as semilattice quotients of the weak order on $W$ induced by certain semilattice homomorphisms.
Kallipoliti, Myrto, Mühle, Henri
core +9 more sources
On the wildness of cambrian lattices [PDF]
Algebras and Representation Theory, 2017 In this note, we investigate the representation type of the cambrian lattices and some other related lattices. The result is expressed as a very simple trichotomy.
Chapoton, Frédéric, Rognerud, Baptiste
core +3 more sources
Predicting surface abundance of federally threatened Jollyville Plateau Salamanders (Eurycea tonkawae) to inform management activities at a highly modified urban spring [PDF]
PeerJ, 2022 Urban expansion has contributed to the loss of habitat for range restricted species across the globe. Managing wildlife populations within these urban settings presents the challenge of balancing human and wildlife needs.
Zachary C. Adcock +6 more
doaj +2 more sources
New occurrence records for Eurycea tonkawae Chippindale, Price, Wiens & Hillis, 2000 (Caudata, Plethodontidae) from an urbanized watershed in Travis County, Texas, USA [PDF]
Check List, 2020 We report two new occurrence records for Jollyville Plateau Salamanders, Eurycea tonkawae Chippindale, Price, Wiens & Hillis, 2000, from an urbanized watershed in Travis County, Texas, USA.
Zachary C. Adcock +6 more
doaj +3 more sources
The morphological disparity, ecological evolution and palaeobiogeography of Palaeozoic hyoliths [PDF]
Estonian Journal of Earth Sciences, 2023 Hyolitha is a group of extinct invertebrates, the most dominant benthic animals within the Cambrian evolutionary fauna and forming a part of the Palaeozoic evolutionary fauna.
Fan Liu +5 more
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A methodological scheme to analyse the early Palaeozoic biodiversification with the example of echinoderms [PDF]
Estonian Journal of Earth Sciences, 2023 The early Palaeozoic biodiversification is the most significant radiation of marine ecosystems of Earthâs history, starting with the appearance of invertebrate organisms near the PrecambrianâCambrian boundary and followed by a significant ...
Pauline Guenser +3 more
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Muscle attachment scars in helcionelloids from Denmark cast light on mollusc evolution in the Cambrian [PDF]
Acta Palaeontologica Polonica, 2023 Multiple, small (diameter
JOHN S. PEEL, VIVIANNE BERG-MADSEN
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A new Cambrian catillicephalid trilobite from the Shallow Bay Formation of western Newfoundland, Canada [PDF]
Acta Palaeontologica Polonica, 2022 Species of Catillicephala are known from sites around the mid-Cambrian margin of Laurentian North America, including Vermont, Quebec, Newfoundland and North Greenland. Catillicephala cifellii sp. nov.
STEPHEN R. WESTROP, ALYCE A. DENGLER
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Miaolingian (Cambrian) trilobite biostratigraphy and carbon isotope chemostratigraphy in the Tingskullen drill core, Öland, Sweden [PDF]
Estonian Journal of Earth Sciences, 2021 The Cambrian succession of the Tingskullen drill core from northern Ãland comprises Cambrian Series 2 and Miaolingian (Wuliuan Stage) siliciclastic strata.
Per Ahlberg +5 more
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Shiyou shiyan dizhi, 2022 The Cambrian Xixiangchi Formation is an important succeeding stratum for gas exploration[JP] in the Lower Paleozoic of the Sichuan Basin, for which, the exploration degree is low, and the main controlling factors of large-scale[JP] reservoirs have not ...
Shuyuan SHI +14 more
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