Results 81 to 90 of about 3,386 (197)
Modelling enrolment in Cambrian trilobites [PDF]
, 2017 Trilobites were capable of enrolling in different ways based on the flexible articulation of thoracic segments and associated interlocking devices; the type of enrolment (spiral or sphaeroidal) is thought to have largely depended on the coaptative ...
Imran A. Rahman +12 more
core +2 more sources
Synchronized moulting behaviour in trilobites from the Cambrian Series 2 of South China [PDF]
, 2020 The study of moulting behaviour in the fossil record is relatively well known in arthropods and this is especially true for trilobites. Nevertheless, while studies focusing on the style of moulting in social and semi-social groups of modern animals (e.g.
YuanLong, Zhao +3 more
core +1 more source
ZoodiversityThe article presents diagnoses and information on the type series of two trilobite species of the genus Papillicalymene Shirley, 1936: P. dnistroviana Konstantynenko, 2006 and P. sokoliana Konstantynenko, 2006 from the Ludlow (Upper Silurian) of Podillia
V. Dernov
doaj +1 more source
Geologica Acta, 2005 A review of the supposed moulting positions of the Bohemian Ordovician dalmanitoid and acastoid trilobites is presented. Five main moulting positions are described, but some combinations of these are also widespread.
P. Budil, J. Bruthansová
doaj +1 more source
Investigating Rare Biomineralization Structures in Trilobites [PDF]
, 2020 Electronic Thesis or DissertationTrilobites, a diverse class of arthropods, inhabited a range of marine environments from Early Cambrian to Permian time, and their abundance and various morphologies are significant in the interpretation of evolution ...
Greenberger, Raya
core
Early Ordovician trilobites from the Iruya area (Cordillera Oriental, northwestern Argentina) and their stratigraphic significance [PDF]
, 2016 The middle part of the Santa Rosita Formation (Tremadocian) is well exposed in the Iruya area, northwestern Argentina. At the Pantipampa and Rodeo Colorado localities, it is composed of shale and sandstone representing a wave-dominated shelf with ...
Tortello, Marcelo Franco +1 more
core +1 more source
Review of the Cambrian Stratigraphy of the Argentine Precordillera
Geologica Acta, 2003 The Cambrian rocks of the Argentine Precordillera are analyzed and updated providing a new stratigraphic interpretation. The lithostratigraphic assemblages provide evidence that the Precordilleran Cambrian Basin was a rimmed platform.
O. Bordonaro
doaj +1 more source
Niagaran (Silurian) trilobites from Ohio [PDF]
, 1993 For the most part, Silurian trilobites from Ohio have been poorly documented. This paper records taxa from the Niagaran Series. Specimens discussed here were collected from the southern and west-central areas of the state.
Tompkins, Stephen L.
core
Trilobites from the Ordovician Shihtzupu Formation, Zunyi, Guizhou Province, China [PDF]
, 1984 Twenty-seven species assigned to 20 genera of trilobites are described from Feilaishi in Guizhou Province, the type section of the Shihtzupu Formation in S W China.
Ronald P. Tripp +2 more
core +1 more source
Hábitos de Vida da Associação “Schuchertella”agassizi – Pthychopteria eschwegei, Formação Maecuru,Devoniano, Bacia do Amazonas, Brasil. [PDF]
Anuário 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