Results 41 to 50 of about 104 (62)

Upper Marianian (Cambrian Series 2) trilobites from the Totanés–Noez area (Central Iberian Zone, Toledo province, Spain): systematics and intercontinental correlation [PDF]

open access: yes
Marianian (Cambrian Series 2) trilobites from the area between Totanés and Noez (Central Iberian Zone) are described and their biostratigraphical significance is discussed.
Chirivella Martorell, Juan Bautista   +5 more
core   +2 more sources

Intraspecific variability in paradoxidid trilobites from the Purujosa trilobite assemblage (middle Cambrian, northeast Spain) [PDF]

open access: yes, 2014
Eccaparadoxides? pradoanus and Eccaparadoxides mediterraneus are both widespread trilobite species described from the middle Cambrian of the Mediterranean region. Analysis based on a pooled sample of 500 specimens demonstrates that many of the characters
Esteve, J.
core   +1 more source

028-Taxonomy and Preservation of Lower Cambrian Trilobites, Carrara Formation, Southern CA [PDF]

open access: yes
Trilobites are an extinct group of arthropods made up of three distinct body parts produced by calcite that disarticulate after molting. Trilobites lived in shallow, tropical, marine environments and left an excellent fossil record. The Cambrian is known
Torres Lopez, Reydaliz
core  

Rapid volcanic ash entombment reveals the 3D anatomy of Cambrian trilobites [PDF]

open access: yes
Knowledge of Cambrian animal anatomy is limited by preservational processes that result in compaction, size bias, and incompleteness. We document pristine three-dimensional anatomy of trilobites fossilized via rapid ash burial from a pyroclastic flow ...
Azizi, Abdelfattah   +14 more
core   +3 more sources

Systematics, paleobiology, and taphonomy of some exceptionally preserved trilobites from Cambrian Lagerstätten of Utah [PDF]

open access: yes, 2011
Mid-Cambrian biotas of the Spence, Wheeler, Marjum, and Weeks formations in Utah are exceptionally diverse. Continued collecting has produced additional trilobites here assigned to one new genus, Meniscopsia, and 25 new species.
Babcock, Loren E., Robison, Richard A.
core   +2 more sources

Cambrian stratigraphy and depositional dynamics based on the Tomten-1 drill core, Falbygden, Västergötland, Sweden [PDF]

open access: yes, 2016
The Tomten-1 drilling at Torbjörntorp in Västergötland, southern Sweden, penetrated 29.85 m of Cambrian Series 2 and 3, Furongian, and Lower and Middle Ordovician strata. The biostratigraphy, sedimentology and carbon isotope (δ[sup]13[/sup]C[sub]org[/sub]
Lundberg, Frans
core  

New olenelline trilobites from the Northwest Territories, Canada, and the phylogenetic placement of Judomia absita [PDF]

open access: yes, 2014
This is the author's accepted manuscript, the published version is available here http://www.mapress.com/zootaxa/2011/f/z02918p028f.pdfThe Early Cambrian olenelline trilobites are a diverse clade that have been the subject of several phylogenetic ...
Dilliard, Kelly A.   +3 more
core  

Phylogenetic analyses of trilobites from the Cambrian and Ordovician radiations [PDF]

open access: yes, 2014
Trilobites are an ideal group used for phylogenetic studies due to their complex morphology and abundance in the Paleozoic fossil record. Because of this, trilobite phylogenetics has become an important component of understanding macroevolutionary ...
Gapp, Ian Wesley
core  

Stratigraphy and Palaeontology of Trilobites in Kuhbanan Formation in the Akbar-Abad Section (North of Kerman) [PDF]

open access: yes, 2010
Cambrian sedimentary facies are exposed throughout north part of Kerman region. Trilobites’ faunas are the most common invertebrate fossils within the Cambrian strata. The section is made of 217 m of sandstone, shale, limestone and dolomite.
H. Ameri
core  

Buenellus chilhoweensis n. sp. From The Murray Shale (Lower Cambrian Chilhowee Group) Of Tennessee, The Oldest Known Trilobite From The Lapetan Margin Of Laurentia [PDF]

open access: yes, 2018
The Ediacaran to lower Cambrian Chilhowee Group of the southern and central Appalachians records the rift-to-drift transition of the newly formed Iapetan margin of Laurentia.
Hageman, Steven J.   +1 more
core  

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