Results 111 to 120 of about 874 (171)

The Cabrières Biota (France) provides insights into Ordovician polar ecosystems. [PDF]

open access: yesNat Ecol Evol
Saleh F   +20 more
europepmc   +1 more source
Some of the next articles are maybe not open access.

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Purujosa trilobite assemblage and the evolution of trilobite enrollment

Geology, 2011
Localities bearing abundant enrolled Cambrian trilobites are extremely rare, but here we report a new and exceptional such assemblage with a high diversity of enrolled specimens from the middle Cambrian of Spain. This novel find demonstrates that encapsulated enrollment was a behavioral response available to many of the early benthic trilobite morpho ...
Jorge Esteve   +2 more
openaire   +1 more source

A Devonian Trilobite with an Eyeshade

Science, 2003
Trilobites include the oldest species with preserved eyes for which detailed optical mechanisms have been suggested. They appear in the Cambrian, and in comparison to other species present then, trilobites already had unusually sophisticated eyes with lenses made out of the mineral calcite ( [1 ...
Richard, Fortey, Brian, Chatterton
openaire   +2 more sources

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