Results 71 to 80 of about 1,869 (195)

Late Cambrian fossils from the Climie Formation, western Tasmania [PDF]

open access: yes, 1978
The Climie Formation, which is about 460 metres thick in the type section of the Dundas Group, contains the youngest known fossils within the Dundas Group.
Jago, JB
core   +2 more sources

Larvalstadien von Trilobiten aus einem Geschiebe des "grünlich-grauen Graptolithengesteins" (Mittleres Silur) : mit 5 Tabellen [PDF]

open access: yes, 2012
Unter den Geschieben des Kies-Sand-Rückens ,Laer-Heide' (Landkreis Osnabrück) fand sich ein Geschiebe des ,grünlich-grauen Graptolithengesteins' mit Calymene orthomarginata SCHRANK 1970 und Leonaspis mutica (EMMRICH 1844) aus dem baltischen Silur.
Schöning, Heinrich
core  

El género Strenuaeva Richter y Richter (Trilobita), en el Cámbrico Inferior de las «Capas de Saukianda» en Sierra Morena Occidental (España) [PDF]

open access: yes, 1990
Se estudia la especie Strenuaeva sampelayoi RICHTER y RICHTER, 1940 (Trilobites), con materiales de Alanís (Sevilla) y Alconera (Badajoz), precisando los caracteres morfológicos y biométricos de los elementos del exoesqueleto.
Bernal Barreiro, G.M.   +1 more
core   +1 more source

Una especie nueva del género Griffithides Portlock (Arthropoda: Trilobita) del Paleozoico superior de Oaxaca

open access: yesRevista 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
doaj  

The Family Olenidae (Trilobita, Arthropoda): A synopsis of its taxonomic composition, stratigraphic and paleogeographic distribution

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina
This 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
doaj   +1 more source

An in situ shelly fauna from the lower Paleozoic Zapla diamictite of northwestern Argentina: implications for the age of glacial events across Gondwana [PDF]

open access: yes, 2015
A shelly fauna from the upper part of the Zapla glacial diamictite includes thelingulate brachiopod Orbiculoidea radiata Troedsson, the rhynchonelliforms Dalmanella cf. testudinaria (Dalman) and Paromalomena sp., the bivalve Modiolopsis?
Benedetto, Juan Luis Arnaldo   +3 more
core   +2 more sources

Fósseis do Devoniano de Goiás, Brasil (Sub-bacia Alto Garças, Bacia do Paraná)

open access: yesPapéis Avulsos de Zoologia
RESUMO O registro fóssil do Devoniano do estado de Goiás (Sub-bacia Alto Garças, Bacia do Paraná) é ocorrente nos arredores de diversas cidades como Amorinópolis, Iporá, Caiapônia, Rio Verde e Doverlândia. Contudo, os fósseis encontrados em Goiás são, em
Fábio Augusto Carbonaro   +1 more
doaj   +1 more source

Trilobites and intercontinental tie points in the Upper Cambrian of Scandinavia [PDF]

open access: yes, 2003
The Upper Cambrian faunas of Scandinavia are generally dominated by olenid trilobites, which provide a firm basis for the biostratigraphic classification. The olenids tend, however, to be provincial and facies controlled.
Ahlberg, P.
core   +3 more sources

First record of malformed trilobites from the Silurian of Ukraine

open access: yesДоповiдi Нацiональної академiї наук України
This article presents the first documented case of malformed trilobite exoskeletons from the Silurian of Ukraine. Fossils of animals with injuries and pathologies are of significant palaeobiological value, as they provide essential insights into the ...
V.S. Dernov
doaj   +1 more source

Type Specimens of the Species of the Genus Papillicalymene (Arthropoda, Trilobita) from Ukraine Described by Leonid Konstantynenko

open access: yesZoodiversity
The 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

Home - About - Disclaimer - Privacy