Results 61 to 70 of about 3,386 (197)

Middle Ordovician trilobites from the Castillejo Formation, Eastern Iberian Range (NE Spain): taxonomic reappraisal, biostratigraphy, and correlation [PDF]

open access: yes, 2023
Se analizan los trilobites del Ordovícico Medio encontrados en 11 yacimientos situados en las áreas de Alpartir, Aladrén, Luesma y Fombuena (Zaragoza), así como al sur de Calamocha (Teruel).
Juan Carlos Gutiérrez-Marco   +5 more
core   +1 more source

The Sumatran “Trilobite Larva” [PDF]

open access: yesPsyche: A Journal of Entomology, 1941
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

An electron backscatter diffraction study of geesops: a broader view of trilobite vision? [PDF]

open access: yes, 2008
The calcite eyes of trilobites have been studied for over 100 years using methods including light microscopy (e.g. Clarke 1889; Campbell 1975; Towe 1973; Clarkson 1979 and Bruton and Haas 2003) and more recently cathodoluminescence (CL) imaging coupled ...
Torney, C., Lee, M.R., Owen, A.W.
core  

Trilobites da Louseira de Canelas [PDF]

open access: yes, 2022
Uma viagem até ao Paleozoico, há cerca de 500 milhões de anos, com escala no concelho de Arouca. Na freguesia de Canelas, utiliza-se a geodiversidade como fonte de matéria-prima e de divulgação científica.
Martins, Ruben, Lopes, Luís
core  

New data on the Lower Cambrian trilobites of Cortijos de Malagon (Spain)

open access: yesEstudios Geologicos, 1989
En este trabajo se describe la fauna de trilobites del Cámbrico inferior de las areniscas de los Cortijos de Malagón en el SE español. Comprende Realaspis (?) sp., Kingaspis (?) sp.; cf. Latoucheia sp. y Lusatiops afI. ribotanus. Richter y Richter, 1948.
Mª D. Gil Cid, J. B. Jago
doaj   +1 more source

V.—On the Structure of Trilobites [PDF]

open access: yesGeological Magazine, 1871
In the Geological Magazine for July, 1871, Plate VIII. pp. 289–294, I published an article on the above subject, giving my views of the appendages of Trilobites, and reproducing the figure of Asaphus platycephalus, Stokes, showing traces of eight pairs of locomotory appendages, discovered by Mr.
openaire   +4 more sources

An Inventory of Trilobites from National Park Service Areas [PDF]

open access: yes, 2022
Trilobites represent an extinct group of Paleozoic marine invertebrate fossils that have great scientific interest and public appeal. Trilobites exhibit wide taxonomic diversity and are contained within nine orders of the Class Trilobita.
Santucci, Vincent L.   +2 more
core  

Upper lower Cambrian (provisional Cambrian Series 2) trilobites from northwestern Gansu Province, China [PDF]

open access: yesEstonian Journal of Earth Sciences, 2014
Upper lower Cambrian (provisional Cambrian Series 2) trilobites are described from three sections through the Shuangyingshan Formation in the Beishan area, northwestern Gansu Province, China. The trilobite fauna is dominated by eodiscoid and corynexochid
Jan Bergström†   +3 more
doaj   +1 more source

Permian Trilobites from Antalya Province, Turkey, and Enrollment in Late Palaeozoic Trilobites [PDF]

open access: yes, 2009
Trilobites are a minor component of Permian benthic marine faunas, which explains why they remain poorly known. For example, only two specimens have been found in the highly fossiliferous and extensively studied Middle-Upper Permian Pamucak Formation ...
R. Lerosey Aubril, L. Angiolini
core   +1 more source

Ordovician trilobites from Taimyr and the identity of Taimyraspis Balashova, 1959 [PDF]

open access: yes, 2017
Ordovician and Silurian trilobites from the Taimyr Peninsula were described by Balashova (1959, 1960), who identified 31genera and 60 species through the Middle and Upper Ordovician part of the succession.
Fortey, Richard A.,   +1 more
core  

Home - About - Disclaimer - Privacy