Results 21 to 30 of about 4,541 (250)

A bajocian (Middle jurassic) marine gastropod assemblage from the badamu formation, Central Iran [PDF]

open access: yes, 2016
Nine species of gastropods are reported from the Bajocian (Middle Jurassic) part of the Badamu Formation of Central Iran. This is the first report of a gastropod assemblage of this age from the shelves of the Kimmerian Continent.
Binazadeh, Tayyeb   +2 more
core   +1 more source

Palaeobiogeographical constraints on the distribution of foraminifers and rugose corals in the Carboniferous Tindouf Basin, South Morocco

open access: yesJournal of Palaeogeography, 2013
The northern flank of the Tindouf Syncline in southern Morocco exhibits a continuous, well exposed Carboniferous succession with limestones of Late Asbian to Early Bashkirian age containing rich and diverse foraminiferal and rugose coral assemblages ...
Ian D. Somerville   +5 more
doaj   +1 more source

Provenance history of a Late Triassic-Jurassic Gondwana margin forearc basin, Murihiku Terrane, North Island, New Zealand: petrographic and geochemical constraints [PDF]

open access: yes, 2004
The Murihiku Terrane in the North Island was a forearc basin adjacent to a volcanic arc along the eastern margin of Gondwana during the Mesozoic. The rocks that infill the basin are mainly volcaniclastic sandstones and mudstones, often turbiditic, with ...
Briggs, Roger M.   +2 more
core   +2 more sources

The Gemmellaro Collection: first record of an anomuran from the Tithonian of Sicily, Italy

open access: yesBSGF - Earth Sciences Bulletin, 2017
A recent field trip to Sicily and an examination of decapod crustacean collections at the Museo Geologico G.G. Gemmellaro in the centre of Palermo, Sicily (Italy), has demonstrated that most of the anomuran and brachyuran material described by Gemmellaro
Fraaije René H.B.   +4 more
doaj   +1 more source

The unexpected survival of an ancient lineage of anseriform birds into the Neogene of Australia: the youngest record of Presbyornithidae [PDF]

open access: yesRoyal Society Open Science, 2016
Presbyornithids were the dominant birds in Palaeogene lacustrine assemblages, especially in the Northern Hemisphere, but are thought to have disappeared worldwide by the mid-Eocene.
Vanesa L. De Pietri   +4 more
doaj   +1 more source

Fossil freshwater sponges: Taxonomy, geographic distribution, and critical review [PDF]

open access: yesActa Palaeontologica Polonica, 2017
Sponges are one of the most ancient animal phyla with about 8850 living species and about 5000 described fossil taxa. Most sponges are marine and live at all depths of all oceans.
Roberto Pronzato   +2 more
doaj   +1 more source

A new caenogastropod from the upper Rhaetian of Lombardy: Palaeobiogeographical history and implications for the Early Jurassic gastropod recovery [PDF]

open access: yesActa Palaeontologica Polonica, 2021
A new gastropod genus and its type species, namely Ederazyga fanchini gen. et sp. nov., are described from the upper Rhaetian deposits of Lombardy (northern Italy) and tentatively placed into the family Zygopleuridae. The first appearance of Ederazyga is
Vittorio Pieroni   +2 more
doaj   +1 more source

The Middle Jurassic eastern margin of the Iberian platform system (eastern Spain). Palaeogeography and biodispersal routes of ammonoids. [PDF]

open access: yes, 2004
From a sedimentological and palaeogeographical point of view, in the eastern margin of the Iberian platform system, Middle Jurassic deposits are represented by a thick pile of carbonates with minor marls interbedded.
Fernández López, Sixto Rafael   +1 more
core   +2 more sources

Annelid Borings on Brachiopod Shells From the Upper Ordovician of Peru. A Long-Distance Co-migration of Biotic Partners

open access: yesFrontiers in Ecology and Evolution, 2021
The Recent planktonic larvae of the polychaete spionids are some of the most widespread and abundant group of coastal meroplankton worldwide. To study the possible co-migration of biotic partners and determine whether they were host-specific, the type of
Enrique Villas   +5 more
doaj   +1 more source

Phytogeography of the Pacific Coast of North America

open access: yesAnales del Jardín Botánico de Madrid, 2009
This study was designed to explore floristic variation along the Pacific coast from Cook Inlet, Alaska (61º30’N), to the southern tip of Baja California, Mexico, at 23º02’N.
Manuel Peinado Lorca   +3 more
doaj   +1 more source

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