Results 61 to 70 of about 394 (183)

New and revised taxa of Carboniferous spiriferides (Brachiopoda, Spiriferida) from the Donets Basin (Ukraine) and South Urals (Russia)

European Journal of Taxonomy
The brachiopods Meristorygma donakovae Poletaev, 2018, Johnsoniana nom. nov. from Mississippian strata of the Urals and Betaneospirifer stepanovi Poletaev, 2015 from Gzhelian rocks of the Urals are re-described. Tiramnia davidi sp. nov.
Vladyslav Poletaev
doaj   +1 more source

Pennsylvanian conifers from interglacial taphoflora of Monte Mor, Itararé Group, State of São Paulo, Brazil: the earliest of the Paraná Basin

Geologia USP. Série Científica, 2016
The pre-glossopterid macroflora from the Volpe Ranch, in Monte Mor (State of São Paulo), was deposited during an interglacial context of the Itararé Group.
Sandra Eiko Mune, Mary Elizabeth Cerruti Bernardes-de-Oliveira, Pauline Sabina Kavali, Mahesh Shivanna, Carla Abranches, Isabel Christiano-de-Souza   +5 more
doaj   +1 more source

The neodiapsid Thadeosaurus colcanapi from the upper Permian of Madagascar

Papers in Palaeontology, Volume 11, Issue 2, March/April 2025.
Abstract The enigmatic neodiapsid Thadeosaurus colcanapi (Lower Sakamena Formation, southwestern Madagascar), sole species of the genus Thadeosaurus, is revised here. The attribution of 12 of the 21 referred specimens is confirmed, spanning all ontogenetic stages, and the anatomy of Thadeosaurus is redescribed in detail with comments on ontogenetical ...
Valentin Buffa, Nour‐Eddine Jalil, Jocelyn Falconnet, Peggy Vincent   +3 more
wiley   +1 more source

Stratigraphic framework, new siliciclastic depositional model and provenance analysis in the Virgilian (Gzhelian) Cisco Group, Eastern Shelf of the Permian Basin

, 2023
The Cisco Group records several 4th-order regressive-transgressive (R-T) sequences of mixed siliciclastic and carbonate systems in the Eastern Shelf of the Permian Basin.
Palacios Albujar, Fritz Charles
core   +1 more source

Part A: General Sequence Stratigraphy and Conodont Biostratigraphy (including new species) of the Uppermost Carboniferous (upper Gzhelian) to Lower Permian (lower Artinskian) from the North American Midcontinent

, 2009
The uppermost Wabaunsee, Admire, Council Grove, and lower Chase Groups of Kansas, Oklahoma, and Nebraska are placed into three third-order depositional sequences: a Gzhelian late-highstand sequence set, a Council Grove transgressive and highstand ...
Wardlaw, Bruce R., Nestell, Merlynd K., Boardman, Darwin R., II   +2 more
core   +1 more source

Pennsylvanian floras from Italy: an overview of the main sites and historical collections

Geologia Croatica, 2012
The paper provides an overview of the main Pennsylvanian sites in Italy yielding associations rich in plants and/or palynomorphs. So far in Italy, the principal outcrops are located in the Southern Alps, Tuscany and Sardinia. In the Western Southern Alps
Ausonio Ronchi, Evelyn Kustatscher, Paola Pittau, Giuseppe Santi   +3 more
doaj   +1 more source

Late syn‐rift to early post‐rift basin fill dynamics of a mixed siliciclastic‐carbonate succession banked to a basement high, Hornsund, southwestern Spitsbergen, Arctic Norway

Basin Research, Volume 36, Issue 4, July–August 2024.
The depositional evolution of the ?Pennsylvanian – ?lower Permian Treskelodden Formation (Spitsbergen) is illustrated in the four conceptual block diagrams representing evolution from an alluvial/fluvial dominated environment in phase 1a and 1b (A, B), through a nearshore storm/tide dominated depositional environment in phase 2a + 2b (C), to a marine ...
Anders Dahlin, Kasper H. Blinkenberg, Alvar Braathen, Snorre Olaussen, Kim Senger, Aleksandra Smyrak‐Sikora, Lars Stemmerik   +6 more
wiley   +1 more source

Testing extinction events and temporal shifts in diversification and fossilization rates through the skyline Fossilized Birth‐Death (FBD) model: The example of some mid‐Permian synapsid extinctions

Cladistics, Volume 40, Issue 3, Page 282-306, June 2024.
Abstract In the last decade, the Fossilized Birth–Death (FBD) process has yielded interesting clues about the evolution of biodiversity through time. To facilitate such studies, we extend our method to compute the probability density of phylogenetic trees of extant and extinct taxa in which the only temporal information is provided by the fossil ages ...
Gilles Didier, Michel Laurin
wiley   +1 more source

Registro de una transgresión marina de Pensilvania - Cisural, sur de Bolivia: ¿un evento de corta duración en el oeste de Gondwana? [PDF]

, 2017
Largely terrestrial Pennsylvanian strata (Macharetí and Mandiyutí groups) in Bolivia and northern Argentina contain a brief marine incursion. Dominated by glacio-fluvial and glacial diamictites, much of the thick succession is peri-glacial in origin and ...
Anderson, Heidi, Di Pasquo Lartigue, Maria, Isaacson, Peter, Peter Isaacson, Heidi Anderson, Mercedes di Pasquo   +5 more
core   +1 more source

Text-fig. 5. Pteridosperm remains from Remigiusberg Formation. A) Autunia conferta, coll. Emrich, scalebar = 2 cm; B) "Sphenopteris" germanica, Inv.-Nr. PB 2010/5806 LS (LS-RLP), scalebar = 2.5 cm; C) "Sphenopteris" germanica, Inv.-Nr. PB 2016/5029b LS (LS-RLP), scalebar = 2 cm. in New Data On The Macroflora Of The Basal Rotliegend Group (Remigiusberg Formation; Gzhelian) In The Saar-Nahe Basin (Sw-Germany)

, 2016
Text-fig. 5. Pteridosperm remains from Remigiusberg Formation. A) Autunia conferta, coll. Emrich, scalebar = 2 cm; B) "Sphenopteris" germanica, Inv.-Nr. PB 2010/5806 LS (LS-RLP), scalebar = 2.5 cm; C) "Sphenopteris" germanica, Inv.-Nr.
Uhl, Dieter, Jasper, André
core   +1 more source