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Hábitos de Vida da Associação “Schuchertella”agassizi – Pthychopteria eschwegei, Formação Maecuru,Devoniano, Bacia do Amazonas, Brasil. [PDF]

open access: yesAnuário do Instituto de Geociências, 2007
The fossils studied came from outcrops of the Maecuru and Curuá rivers, State of Pará, belonging to the upper strata of theMaecuru Formation, Eifelian age.
Luiza Corral Martins de Oliveira Ponciano   +1 more
doaj  

Trilobite compound eyes with crystalline cones and rhabdoms show mandibulate affinities

open access: yesNature Communications, 2019
Little is known about the internal anatomy of early eyes. Here, Scholtz and colleagues show the internal eye structures from fossils of two genera of trilobites, which support an ancestral apposition eye with crystalline cones in Trilobita and a close ...
Gerhard Scholtz   +2 more
doaj   +1 more source

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