Results 41 to 50 of about 205 (136)
A systematic revision of the family Harpetidae (Trilobita) [PDF]
Records of the Western Australian Museum, 2002 (Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Ebach, Malte C., Mcnamara, Kenneth J
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Upper lower Cambrian (provisional Cambrian Series 2) trilobites from northwestern Gansu Province, China [PDF]
Estonian 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
Class Trilobita (including agnostoids) from Argentine Precordillera
Biogeographia – The Journal of Integrative Biogeography, 2023 Fil: Devincenzi, Susana Mariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo.
Devincenzi, Susana Mariel +1 more
openaire +4 more sources
The evolutionary history of Coleoptera (Insecta) in the late Palaeozoic and the Mesozoic
Systematic Entomology, Volume 49, Issue 3, Page 355-388, July 2024.Structural transformations of the elytra and abdomen played a major role in the early beetle evolution in the Permian. Polyphaga appear late in the fossil record, with only a few fossils of Elateriformia in the Late Triassic. Several factors were involved in the enormous diversification of beetles in the Cretaceous but evolutionary interactions with ...
Rolf G. Beutel +6 more
wiley +1 more source
Abnormal trilobites from the Silurian and Devonian of Europe
Acta Palaeontologica PolonicaMalformed trilobites have been documented in deposits ranging from the Cambrian to the Permian. Continued examination of novel malformed specimens provides insight into how trilobites recovered from injuries, experienced genetic abnormalities, and ...
Russell D.C. Bicknell +3 more
doaj +1 more source
Distribution of the order Proetida (Trilobita) in Baltoscandian Ordovician strata [PDF]
Estonian Journal of Earth Sciences, 2009 The trilobite order Proetida forms a minor but important faunal element within the Ordovician strata of Baltoscandia. This review follows the current systematic, taxonomic, and stratigraphical usage and discusses the distribution of these trilobites ...
Pärnaste, Helje +2 more
doaj
Geologica Acta, 2003 The biostratigraphic significance of the latest Cambrian-earliest Ordovician trilobite agnostoids from northwestern Argentina is summarized. A characterization of the faunas recognized below and above the Cambrian-Ordovician boundary is presented on the ...
M.F. Tortello
doaj +1 more source
Notes on the Lines of Descent of Lower Winged Insects
, 1920 Psyche: A Journal of Entomology, Volume 27, Issue 5, Page 116-127, 1920.
G. C. Crampton
wiley +1 more source
Revista Mexicana de Ciencias Geológicas, 2019 Se describe una especie nueva del Género Griffthides Portlock, 1843, de la Familia Proetidae, de la Formación Ixtaltepec (Pensilvánico), de la región de Nochixtlán, Oaxaca en la parte centromeridional de México y se discute su situación taxonómica ...
Alejandro Morón-Ríos +1 more
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Publicación Electrónica de la Asociación Paleontológica ArgentinaThis paper provides a list of all named species in the family Olenidae, along with their geographic and stratigraphic records. It also discusses each of the valid genera in the family and describes the composition of the entire group and its subfamilies
Daniela Soledad Monti
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