About: Elrathia   Sponge Permalink

An Entity of Type : owl:Thing, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Elrathia is a genus of trilobite species that lived during the Middle Cambrian. E. kingii is one of the most common trilobite fossils in the USA locally found in extremely high concentrations within the Wheeler Formation in the U.S. state of Utah. E. kingii has been considered the most recognizable trilobite. Commercial quarries extract E. kingii in prolific numbers, with just one commercial collector estimating 1.5 million specimens extracted in a 20 year career. —Gaines & Droser

AttributesValues
rdfs:label
  • Elrathia
rdfs:comment
  • Elrathia is a genus of trilobite species that lived during the Middle Cambrian. E. kingii is one of the most common trilobite fossils in the USA locally found in extremely high concentrations within the Wheeler Formation in the U.S. state of Utah. E. kingii has been considered the most recognizable trilobite. Commercial quarries extract E. kingii in prolific numbers, with just one commercial collector estimating 1.5 million specimens extracted in a 20 year career. —Gaines & Droser
sameAs
dcterms:subject
dbkwik:fossil/prop...iPageUsesTemplate
subdivision ranks
  • Species
Familia
subordo
  • Ptychopariina
ordo
Image caption
  • Elrathia kingii
Genus
  • Elrathia
subdivision
  • * E. kingii (Meek, 1870) * E. marjumi
superfamilia
  • Ptychopariacea
classis
Phylum
  • Arthropoda
regnum
  • Animalia
subclassis
abstract
  • Elrathia is a genus of trilobite species that lived during the Middle Cambrian. E. kingii is one of the most common trilobite fossils in the USA locally found in extremely high concentrations within the Wheeler Formation in the U.S. state of Utah. E. kingii has been considered the most recognizable trilobite. Commercial quarries extract E. kingii in prolific numbers, with just one commercial collector estimating 1.5 million specimens extracted in a 20 year career. ""...trilobite occupied the exaerobic zone, at the boundary of anoxic and dysoxic bottom waters. E. kingii consistently occur in settings below the oxygen levels required by other contemporaneous epifaunal and infaunal benthic biota and may have derived energy from a food web that existed independently of phototrophic primary productivity. Although other fossil organisms are known to have preferred such environments, E. kingii is the earliest-known inhabitant of them, extending the documented range of the exaerobic ecological strategy into the Cambrian Period."" —Gaines & Droser
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