Results 61 to 70 of about 461 (179)

The origin of mammals: chronology and paleobiogeography [PDF]

open access: yesThe Paleontological Society Special Publications, 1992
A comprehensive review of the stratigraphic and geographic distribution of the advanced, non-mammalian cynodonts (traversodontids, tritylodontids and tritheledontids) and the Late Triassic-Early Jurassic mammals indicates that: (1) traversodontids were a wholly Triassic group that disappeared during the Rhaetian; during the late Carnian-early Norian ...
Spencer G. Lucas, Adrian P. Hunt
openaire   +1 more source

Investigation of the tectonic framework of the Sumatra

open access: yesDizhi lixue xuebao
Objective  The tectonic units in Sumatra were considered as the two parts: Eastern and Western blocks. Generally, the East Sumatra block affiliated with Gondwana, due to its late Paleozoic “cold-water fauna” (Alas limestone) and pebbly mudstone (Bohorok ...
SHANG Qinghua   +9 more
doaj   +1 more source

OLD WORLD PORCUPINE (RODENTIA, HYSTRICIDAE) REMAINS FROM THE LATE MESSINIAN OF PIEDMONT, NW ITALY

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2015
The goal of this paper is to describe a single upper molar and a fragmented radius of Old World porcupines recently discovered in the latest Messinian localities of Moncucco Torinese and Verduno in the Tertiary Piedmont Basin, NW Italy.
SIMONE COLOMBERO   +2 more
doaj   +1 more source

First Report of Middle Eocene Micromorphic Brachiopods from Northeastern Libya: Taxonomy and Paleobiogeography Implications

open access: yesDiversity
Two brachiopod species, Terebratulina tenuistriata (Leymerie, 1846) and Orthothyris pectinoides (von Koenen, 1984), have been recorded for the first time from the Middle Eocene (Late Lutetian) nummulitic limestone beds in the Darnah Formation at the Wadi
Sayed M. Abd El-Aziz   +6 more
doaj   +1 more source

A new zygodactylid species indicates the persistence of stem passerines into the early Oligocene in North America

open access: yesBMC Evolutionary Biology, 2019
Background The lake deposits of the informal Ruby Paper Shale unit, part of the Renova Formation of Montana, have yielded abundant plant fossils that document Late Eocene – Early Oligocene global cooling in western North America.
Tobin L. Hieronymus   +2 more
doaj   +1 more source

Archaeological Protein Residues: New Data for Conservation Science

open access: yesEthnobiology Letters, 2011
The utility of zooarchaeological data for addressing wildlife management and conservation research has been increasingly recognized over the past two decades.
Andrew Barker
doaj   +1 more source

Paleobiogeography and taxonomy of the genus Concholepas (Lamarck, 1801): a review and new evidences Paleobiogeografía y taxonomía del género Concholepas (Lamarck, 1801): una revisión y nuevas evidencias

open access: yesRevista Chilena de Historia Natural, 2008
The muricid gastropod Concholepas concholepas, known in Chile as 'loco', is an important component of intertidal and shallow subtidal communities, and is one of the main invertebrates targeted by small-scale fishers (divers) in Chile.
LEYLA CÁRDENAS   +2 more
doaj  

Comparison between plant fossil assemblages and simulated biomes across the Permian-Triassic Boundary

open access: yesFrontiers in Earth Science
Terrestrial ecosystems underwent extreme shifts in composition, following extensive degassing associated with the Siberian Traps near the Permian–Triassic boundary (PTB).
Charline Ragon   +6 more
doaj   +1 more source

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