Results 51 to 60 of about 789 (148)

Diceratocephalid trilobites from the uppermost Changhia and Kushan formations (Guzhangian, Mialolingian, Cambrian) in North China Platform

open access: yesActa Palaeontologica Polonica
Examination of type material of the type species of Wongia, W. triangulata and new material from the uppermost Changhia Formation and Kushan Formation, in Shandong and Liaoning, necessitates transfer of the genus from Avoninidae to Diceratocephalidae ...
Jinliang Yuan   +5 more
doaj   +1 more source

Zwei mißgebildete Pygidien von Illaeniden (Trilobita) aus ordovizischen Geschieben [PDF]

open access: yes, 2012
Aus ordovizischen Geschieben des Kies-Sand-Rückens ,Laer-Heide' (Landkreis Osnabrück; NW-Deutschland) werden 2 mißgebildete Pygidien von IlIaeniden (Trilobita) beschrieben: Ein vergleichsweise dünnschaliges Pygidium von lIIaenus jevensis HOLM 1886 weist ...
Schöning, Heinrich
core  

Shabanovia, a new generic replacement name for Furia Egorova and Shabanov, 1987 (Trilobita) non Linnaeus, 1758 (Vermes) nec Cuvier, 1828 (Mammalia), preoccupied

open access: yes, 2013
Doweld, Alexander B. (2013): Shabanovia, a new generic replacement name for Furia Egorova and Shabanov, 1987 (Trilobita) non Linnaeus, 1758 (Vermes) nec Cuvier, 1828 (Mammalia), preoccupied. Zootaxa 3686 (5): 600-600, DOI: 10.11646/zootaxa.3686.5.
Doweld, Alexander B.
core   +1 more source

Abnormal trilobites from the Silurian and Devonian of Europe

open access: yesActa Palaeontologica Polonica
Malformed 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]

open access: yesEstonian 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  

Class Trilobita Walch, 1771. In: Zhang, Z.-Q. (Ed.) Animal biodiversity: An outline of higher-level clas­sification and survey of taxonomic richness

open access: yes, 2011
ADRAIN, JONATHAN M. (2011): Class Trilobita Walch, 1771. In: Zhang, Z.-Q. (Ed.) Animal biodiversity: An outline of higher-level clas­sification and survey of taxonomic richness.
ADRAIN, JONATHAN M.
core   +1 more source

FIGURE 5 in A new Trimerocephalus species (Trilobita, Phacopidae) from the Late Devonian (Early Famennian) of Poland

open access: yes, 2013
FIGURE 5. Graphical representation of the seven distinct size categories within meraspid degrees M9 and M10 of Trimerocephalus chopini n. sp., based on measurements of hundreds of queue specimens from Kowala Quarry (see Radwański et al., 2009 ...
Kin, Adrian, Żejowski, Ej Bła
core   +1 more source

Trilobita (Arthropoda) registrado na formação Ponta Grossa, devoniano da bacia do Paraná : preservação de aparelho digestivo piritizado [PDF]

open access: yes, 2008
Orientador: Cristina Vega DiasMonografia (Bacharelado) - Universidade Federal do Paraná. Setor de Ciências Biológicas. Curso de Graduação em Ciências BiológicasResumo : Os Trilobita, animais extintos pertencentes ao Filo Arthropoda, são considerados um ...
Tavares, Patrícia Koniarski
core  

Primeira ocorrência de Burmeisterella (Trilobita, Homalonotidae) do Devoniano do Brasil (Bacia do Parecis) com a descrição de uma espécie nova [PDF]

open access: yes, 2021
A homalonotid trilobite from the Early Devonian (latest Lochkovian?- Pragian) of the Parecis Basin of Brazil is referred to the genus Burmeisterella, and represents the first occurrence of this genus in South America.
Carvalho, Maria da Gloria Pires de
core  

Análisis filogenético del género Parabolinella Brøgger (Olenidae, Trilobita) del Cámbrico tardío y Tremadociano [PDF]

open access: yes, 2020
Tradicionalmente, las relaciones filogenéticas entre las especies de la familia Olenidae Burmeister (Ptychopariida, Trilobita) han sido establecidas mediante la comparación morfológica directa y estratigráficamente.
Monti, Daniela S.
core  

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